RE: (forte-users) returning variants from OLE methodcalls

I'm getting an error when calling an OLE method which
requires two VARIANT
parameters, one input and one output. Both parameters are treated as
arrays
by the OLE method.
Error during Invoke; status code: -2147352562(0x8002000E)This error is "Invalid Number of Parameters"
The code itself, I cannot really comment on as I have had very little
experience with COM objects
Cheers
David McPaul
Lumley Technology
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As an FYI, to find out what the error message means, you can take the hex
number (in this case 0x8002000E) and search through the winerror.h file.
That will give you a better idea of what the actual problem is.
Katie Tierney
Akili Systems Group
601 Jefferson, Suite 3975
Houston, Texas 77002
Office: (713) 655-1400
Cell: (409) 255-1643
"The bitterness of poor quality remains long after the sweetness of low
price is forgotten" --Larry Anderson
-----Original Message-----
From: David McPaul [mailto:dmcpaullumley.com.au]
Sent: Tuesday, March 07, 2000 5:27 PM
To: 'Isaak Peretsman'; forte-userslists.xpedior.com
Subject: RE: (forte-users) returning variants from OLE method calls
I'm getting an error when calling an OLE method which
requires two VARIANT
parameters, one input and one output. Both parameters are treated as
arrays
by the OLE method.
Error during Invoke; status code: -2147352562(0x8002000E)This error is "Invalid Number of Parameters"
The code itself, I cannot really comment on as I have had very little
experience with COM objects
Cheers
David McPaul
Lumley Technology
This message has been Content Filtered by MailMarshal.
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Similar Messages

  • RE: (forte-users) appdist copy from VMS to NT question...

    Well, there are some graphic FTP clients for windows that allow
    you to get files from FTP-servers using simple drag and drop.
    Most of them even support the option of selecting a directory
    and dragging it, with all its subdirectories, to your local drive
    with a single mouse action.
    The only problem might be with binary vs. text files. The appdist
    directory has both filetypes. Getting text files as if they were
    binary files may cause problems. Getting binary files as if they
    were text certainly will cause problems. So, either get the
    whole tree binary and hope for the best. Or get each file indi-
    vidually and set the correct bin or asc setting. Or use a tool
    that is smart enough to see if a file is binary or text and hope
    it doesn't make any mistakes.
    Pascal Rottier
    STP - MSS Support & Coordination Group
    Philip Morris Europe
    e-mail: [email protected]
    Phone: +49 (0)89-72472530
    +++++++++++++++++++++++++++++++++++
    Origin IT-services
    Desktop Business Solutions Rotterdam
    e-mail: [email protected]
    Phone: +31 (0)10-2428100
    +++++++++++++++++++++++++++++++++++
    Don't meddle in the affairs of dragons
    'cause you're crunchy and taste good with ketchup
    -----Original Message-----
    From: Haben, Dirk [SMTP:[email protected]]
    Sent: Wednesday, December 08, 1999 6:32 AM
    To: 'Soapbox Forte Users'
    Subject: (forte-users) appdist copy from VMS to NT question ...
    G'day Folxs
    Does anyone here have a simple way to copy a whole appdist tree for myapp1
    say from VMS to NT? I have created a new environment on a NT box and want
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    eg:
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    [ntbox1] d:\temp\myapp\cl3\...
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    ftp doesn't seem to do the trick here. Of cause I could write some routine
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    if
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    PS: Needless to say we still develop and makedist on VMS - for now (see
    Bulletin 388)!
    PPS: No I haven't forgotten about [appdist.aenv.myapp1]*.ace
    For the archives, go to: http://lists.sageit.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: [email protected]

    Well, there are some graphic FTP clients for windows that allow
    you to get files from FTP-servers using simple drag and drop.
    Most of them even support the option of selecting a directory
    and dragging it, with all its subdirectories, to your local drive
    with a single mouse action.
    The only problem might be with binary vs. text files. The appdist
    directory has both filetypes. Getting text files as if they were
    binary files may cause problems. Getting binary files as if they
    were text certainly will cause problems. So, either get the
    whole tree binary and hope for the best. Or get each file indi-
    vidually and set the correct bin or asc setting. Or use a tool
    that is smart enough to see if a file is binary or text and hope
    it doesn't make any mistakes.
    Pascal Rottier
    STP - MSS Support & Coordination Group
    Philip Morris Europe
    e-mail: [email protected]
    Phone: +49 (0)89-72472530
    +++++++++++++++++++++++++++++++++++
    Origin IT-services
    Desktop Business Solutions Rotterdam
    e-mail: [email protected]
    Phone: +31 (0)10-2428100
    +++++++++++++++++++++++++++++++++++
    Don't meddle in the affairs of dragons
    'cause you're crunchy and taste good with ketchup
    -----Original Message-----
    From: Haben, Dirk [SMTP:[email protected]]
    Sent: Wednesday, December 08, 1999 6:32 AM
    To: 'Soapbox Forte Users'
    Subject: (forte-users) appdist copy from VMS to NT question ...
    G'day Folxs
    Does anyone here have a simple way to copy a whole appdist tree for myapp1
    say from VMS to NT? I have created a new environment on a NT box and want
    to
    copy down all our application distributions.
    eg:
    On OpenVMS machine vmsbox1 the directory tree and files
    vmsbox1::forte_root:[appdist.aenv_myapp_cl3...]*.*;
    should go to NT machine ntbox1
    [ntbox1] d:\temp\myapp\cl3\...
    Even just to d:\temp\aenv_myapp_cl3\... will do.
    ftp doesn't seem to do the trick here. Of cause I could write some routine
    to put/get file by file - but before I do all that I thought I ask around
    if
    it's already been done.
    Thanks,
    Dirk
    PS: Needless to say we still develop and makedist on VMS - for now (see
    Bulletin 388)!
    PPS: No I haven't forgotten about [appdist.aenv.myapp1]*.ace
    For the archives, go to: http://lists.sageit.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: [email protected]

  • Re: (forte-users) No response from Router partition

    Sounds like what we have been experiencing here, on Unix.
    According to Forté, upgrading to 3M should resolve it. Unfortunately, we
    can't
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    I believe this is documented as an "internal" Forté bug report.
    Hope this hels.
    Daniel Désy
    BORN
    ----- Original Message -----
    From: "Pabbaraju, Ramarao (EXP N-IONIDEA)" <ramarao.pabbarajulmco.com>
    To: "Forte-Users (E-mail)" <forte-userslists.xpedior.com>
    Sent: Tuesday, November 14, 2000 10:46 AM
    Subject: (forte-users) No response from Router partition
    Hi All,
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    Ramarao--
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    the login: forte and the password: archive. To unsubscribe, send in a
    new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

    My guess is, your third service object is not referenced.
    -----Original Message-----
    From: Forte App [mailto:forteapphotmail.com]
    Sent: Wednesday, May 17, 2000 3:08 PM
    To: kamranaminyahoo.com
    Subject: (forte-users) Partition problem
    Hello Everyone,
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    iam using Forte 3.0L2.
    Thanks in Advance
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

  • [Fwd: (forte-users) Sending Fax from forte]

    Tamas Deak
    Lufthansa Systems Hungary
    (forte developer)
    2-6 Mazsa ter, Budapest, 1107, HUNGARY
    (36-1) 4312 973
    [email protected]
    [email protected][email protected]-

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    Pascal Rottier
    STP - MSS Support & Coordination Group
    Philip Morris Europe
    e-mail: [email protected]
    Phone: +49 (0)89-72472530
    +++++++++++++++++++++++++++++++++++
    Origin IT-services
    Desktop Business Solutions Rotterdam
    e-mail: [email protected]
    Phone: +31 (0)10-2428100
    +++++++++++++++++++++++++++++++++++
    /* All generalizations are false! */
    -----Original Message-----
    From: Zulkifli Mohamad [SMTP:[email protected]]
    Sent: Friday, October 08, 1999 3:16 AM
    To: '[email protected]'
    Subject: (forte-users) Sending Fax from forte
    Hi guys,
    Does anyone know how to send a fax from Forte application.
    Any ideas appreciated!
    For the archives, go to: http://lists.sageit.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: [email protected]

  • How long before user returns chart in azure preview portal

    Hi,
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  • RE: (forte-users) Reading return value from Javaprogram

    when using the RunCommand method you can specify the an error file:
    task.part.os.RunCommand(command = l_tdCommandLine,
    isSynchronous = TRUE,
    inputFile = Nil,
    outputFile = Nil,
    errorFile = l_ErrorFile.GetLocalName(TRUE));
    BEGIN
    l_ErrorFile.Open(SP_AM_READ);
    EXCEPTION
    WHEN Ex: FileResourceException DO
    l_ErrorFile = NIL;
    task.ErrorMgr.Clear();
    END;
    IF l_ErrorFile <> NIL THEN
    l_tdFileContents : TextData = New();
    l_ErrorFile.ReadText(l_tdFileContents);
    l_ErrorFile.Close();
    END IF;
    Have you java program output the return value to the standard IO. This way
    you will have an error file that you can read from Forte.
    ka
    -----Original Message-----
    From: Anthony D [mailto:saigonxyahoo.com]
    Sent: Tuesday, September 12, 2000 7:49 AM
    To: forte-userslists.xpedior.com
    Subject: (forte-users) Reading return value from Java program
    Hi,
    Does anyone know whether Forte application can
    read a return value from a Java program?
    I'm using the RunCmd method to invoke the Java
    program. I'd like to read the return value from the
    Java program. How do I go about doing it?
    Any suggestion will be appriciated.
    Thanks
    AD
    http://mail.yahoo.com/
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

    when using the RunCommand method you can specify the an error file:
    task.part.os.RunCommand(command = l_tdCommandLine,
    isSynchronous = TRUE,
    inputFile = Nil,
    outputFile = Nil,
    errorFile = l_ErrorFile.GetLocalName(TRUE));
    BEGIN
    l_ErrorFile.Open(SP_AM_READ);
    EXCEPTION
    WHEN Ex: FileResourceException DO
    l_ErrorFile = NIL;
    task.ErrorMgr.Clear();
    END;
    IF l_ErrorFile <> NIL THEN
    l_tdFileContents : TextData = New();
    l_ErrorFile.ReadText(l_tdFileContents);
    l_ErrorFile.Close();
    END IF;
    Have you java program output the return value to the standard IO. This way
    you will have an error file that you can read from Forte.
    ka
    -----Original Message-----
    From: Anthony D [mailto:saigonxyahoo.com]
    Sent: Tuesday, September 12, 2000 7:49 AM
    To: forte-userslists.xpedior.com
    Subject: (forte-users) Reading return value from Java program
    Hi,
    Does anyone know whether Forte application can
    read a return value from a Java program?
    I'm using the RunCmd method to invoke the Java
    program. I'd like to read the return value from the
    Java program. How do I go about doing it?
    Any suggestion will be appriciated.
    Thanks
    AD
    http://mail.yahoo.com/
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

  • RE: (forte-users) Confusion with return event

    Samer,
    The return event is delivered to the calling task, which is the window in
    your first test. It is not deliverd to the event loop of the service object
    unless the call to the processor originated in the event loop, which is the
    case in your second test. The output you get from the server is exactly as I
    would expect.
    You need the following code in you client:
    event loop
    postregister
    SomeService1.StartImmediate();
    when SomeService1.Proc.ProcessEvent_return do
    task.Part.Logmgr.Putline('ProcessEvents_return');
    when SomeService1.Proc.ProcessEvent_exception do
    task.Part.Logmgr.Putline('ProcessEvents_exception');
    end event;
    Note that this logoutput will not be written to a logfile, but will appear
    in the logwindow which is opened when you start a client application.
    Pascal Rottier
    Atos Origin Nederland (BAS/West End User Computing)
    Tel. +31 (0)10-2661223
    Fax. +31 (0)10-2661199
    E-mail: Pascal.Rottiernl.origin-it.com
    ++++++++++++++++++++++++++++
    Philip Morris (Afd. MIS)
    Tel. +31 (0)164-295149
    Fax. +31 (0)164-294444
    E-mail: Rottier.Pascalpmintl.ch
    -----Original Message-----
    From: Samer Kanjo [mailto:skanjoyahoo.com]
    Sent: Thursday, January 18, 2001 1:54 AM
    To: ForteUsers
    Subject: (forte-users) Confusion with return event
    I have observed some odd behavior when attempting to
    catch a return event for a method invoked using start
    task. I provided the primary classes I used during my
    test and some output produced by those classes at the
    bottom of this message.
    The SomeService1 class is used to create an
    environment visible service object and the Processor
    class is one of its members. The Processor class
    starts processing when one of two things happens: the
    SomeService1 timer ticks off 10 seconds or when
    SomeService1.StartImmediate is called directly by
    another entity. Either way StartImmediate is called to
    start processing.
    The provided output is the result of starting a test
    application and invoking StartImmediate from another
    object (I used a window) and then observing what
    happens when the timer ticks. As you can see the
    invocation from the window did not result in the
    return event being received. However, the return event
    was received when the timer ticked.
    According to the Forte documentation a return event
    will only be posted to the parent task's event queue.
    Since I am making a cross partition call, the window
    and service object are not really in the same task
    (Unless my assumption is wrong). That would explain
    why the window did not cause a return event to be
    generated but was an event generated but not caught
    and if so where did the event go?
    In SomeService2 class I added an event StartProcessing
    and moved the code from StartImmediate to the
    StartProcessing event case in the event loop and
    simply posted the StartProcessing event in
    StartImmediate. I performed the same test I used when
    testing SomeService1. The Traceback output is
    identical for the window invocation but the return
    event is received this time! Why?
    It seems that to guarantee the receipt of a return
    event an asynchronous task must be initiated from
    within an event loop. Is this correct?
    I do not understand this behavior does someone have
    any thoughts on this? How can you guarantee the
    receipt of a return event?
    Samer Kanjo
    OUTPUT FROM SOMESERVICE1
    StartTaskTest_cl0: processing loop listening
    StartTaskTest_cl0:
    Traceback:
    SomeService.StartImmediate at line 1
    TestWin.Display at line 4
    C++ Method(s)
    UserApp.Run at offset 105
    StartTaskTest_cl0:
    StartTaskTest_cl0: Start processing...
    StartTaskTest_cl0: Processing complete.
    StartTaskTest_cl0:
    Traceback:
    SomeService.StartImmediate at line 1
    SomeService.ProcessingLoop at line 9
    StartTaskTest_cl0:
    StartTaskTest_cl0: Start processing...
    StartTaskTest_cl0: Processing complete.
    StartTaskTest_cl0: ProcessEvents_return
    OUTPUT FROM SOMESERVICE2
    StartTaskTest_cl0: processing loop listening
    StartTaskTest_cl0:
    Traceback:
    SomeService2.StartImmediate at line 1
    TestWin.Display at line 4
    C++ Method(s)
    UserApp.Run at offset 105
    StartTaskTest_cl0:
    StartTaskTest_cl0: Start processing...
    StartTaskTest_cl0: Processing complete.
    StartTaskTest_cl0: ProcessEvents_return
    StartTaskTest_cl0:
    Traceback:
    SomeService2.StartImmediate at line 1
    SomeService2.ProcessingLoop at line 9
    StartTaskTest_cl0:
    StartTaskTest_cl0: Start processing...
    StartTaskTest_cl0: Processing complete.
    StartTaskTest_cl0: ProcessEvents_return
    SOMESERVICE1 CLASS
    begin CLASS;
    class SomeService1 inherits from Framework.Object
    has public attribute proc: StartTaskTest.Processor;
    has public attribute processing: Framework.boolean;
    has public method Init;
    has public method ProcessingLoop;
    has public method StartImmediate;
    has property
    shared=(allow=off, override=on);
    transactional=(allow=off, override=on);
    monitored=(allow=off, override=on);
    distributed=(allow=on, override=on, default=off);
    end class;
    method SomeService1.Init
    begin
    super.Init();
    processing = FALSE;
    proc = new;
    start task ProcessingLoop();
    end method;
    method SomeService1.ProcessingLoop
    begin
    timer : Timer = new;
    timer.tickInterval = 10000;
    event loop
    task.part.logmgr.putline('processing loop
    listening');
    timer.isActive = TRUE;
    when timer.tick do
    StartImmediate();
    when proc.ProcessEvents_return do
    task.part.logmgr.putline('ProcessEvents_return');
    processing = FALSE;
    when proc.ProcessEvents_exception do
    task.part.logmgr.putline('ProcessEvents_exception');
    processing = FALSE;
    when task.shutdown do
    exit;
    end event;
    end method;
    method SomeService1.StartImmediate
    begin
    task.part.logmgr.putline(task.traceBack());
    processing = TRUE;
    start task proc.ProcessEvents() where completion =
    event;
    end method;
    end CLASS;
    SOMESERVICE2 CLASS
    begin CLASS;
    class SomeService2 inherits from Framework.Object
    has public attribute proc: StartTaskTest.Processor;
    has public attribute processing: Framework.boolean;
    has public event StartProcessing;
    has public method Init;
    has public method ProcessingLoop;
    has public method StartImmediate;
    has property
    shared=(allow=off, override=on);
    transactional=(allow=off, override=on);
    monitored=(allow=off, override=on);
    distributed=(allow=on, override=on, default=off);
    end class;
    method SomeService2.Init
    begin
    super.Init();
    processing = FALSE;
    proc = new;
    start task ProcessingLoop();
    end method;
    method SomeService2.ProcessingLoop
    begin
    timer : Timer = new;
    timer.tickInterval = 10000;
    event loop
    task.part.logmgr.putline('processing loop
    listening');
    timer.isActive = TRUE;
    when timer.tick do
    StartImmediate();
    when self.StartProcessing do
    processing = TRUE;
    start task proc.ProcessEvents() where completion =
    event;
    when proc.ProcessEvents_return do
    task.part.logmgr.putline('ProcessEvents_return');
    processing = FALSE;
    when proc.ProcessEvents_exception do
    task.part.logmgr.putline('ProcessEvents_exception');
    processing = FALSE;
    when task.shutdown do
    exit;
    end event;
    end method;
    method SomeService2.StartImmediate
    begin
    task.part.logmgr.putline(task.traceBack());
    post StartProcessing;
    end method;
    end CLASS;
    PROCESSOR CLASS
    begin CLASS;
    class Processor inherits from Framework.Object
    has public method Init;
    has public method ProcessEvents where completion =
    (return = ProcessEvents_return, exception =
    ProcessEvents_exception);
    has property
    shared=(allow=off, override=on);
    transactional=(allow=off, override=on);
    monitored=(allow=off, override=on);
    distributed=(allow=off, override=on);
    end class;
    method Processor.Init
    begin
    super.Init();
    end method;
    method Processor.ProcessEvents
    begin
    task.part.logmgr.putline('Start processing...');
    task.Delay(msecs = 1500);
    task.part.logmgr.putline('Processing complete.');
    end method;
    end CLASS;
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

    Yes, you're right. The return event is queued until the moment that you
    actually enter an eventloop. I stand corrected.
    Pascal Rottier
    Atos Origin Nederland (BAS/West End User Computing)
    Tel. +31 (0)10-2661223
    Fax. +31 (0)10-2661199
    E-mail: Pascal.Rottiernl.origin-it.com
    ++++++++++++++++++++++++++++
    Philip Morris (Afd. MIS)
    Tel. +31 (0)164-295149
    Fax. +31 (0)164-294444
    E-mail: Rottier.Pascalpmintl.ch
    -----Original Message-----
    From: Adamek, Zenon [mailto:ZAdamekpurolator.com]
    Sent: Thursday, January 18, 2001 6:13 PM
    To: Rottier, Pascal
    Cc: 'forte-userslists.xpedior.com'
    Subject: RE: (forte-users) Confusion with return event
    I think it is always safe to use start task with where complition = event
    clause before event loop. The reason is described in Forte Help in the
    Complition Clause index:
    "Requesting the return and exception events automatically registers the
    events for the calling task. When the asynchronous method completes or
    terminates, Fort&eacute; adds the appropriate event to the calling task's event
    queue.
    This registration is unlike the event registration for the event statement.
    In the event statement, the event is registered just before the event
    statement is ready to process the event. In the start task statement, the
    return and exception events are registered when the task is started, even
    though it can be much later on that your application is prepared to wait for
    those events. Therefore, only the "parent" task that executes the start task
    statement is registered for the completion event of the started task."
    and some comments from "Forte Performance and Patterns" page 18:
    "When you use the where completion = event clause in the start task
    statement, Forte automatically buffer the return event until you register
    for it. Therefore, you do not need to worry about the child task completing
    before you register for its return event".
    Regards,
    Zenon
    -----Original Message-----
    From: Rottier, Pascal [SMTP:Rottier.Pascalpmintl.ch]
    Sent: Thursday, January 18, 2001 11:16 AM
    To: 'Samer Kanjo'; ForteUsers
    Subject: RE: (forte-users) Confusion with return event
    Yes, if you want the eventloop of the service object to be informed when
    the
    method on the processor class is invoked, regardless of who invoked it,
    then
    you should simply post an event as the last statement inside the method on
    the processor class.
    The return events are only used to inform a partent task that a child-task
    has completed. So, only the calling task receives the event, only if the
    calling task is inside an event-loop at the moment the child-task
    terminates
    and only if there really is a child task (method started using "start task
    Note, that the calling task doesn't have to be inside an event loop when
    the
    asynchronous call is made. It has to be inside an eventloop when the
    asynchronous task terminates. The following piece of code works just as
    well:
    SomeService1.StartImmediate();
    self.DoSomeOtherStuff();
    event loop
    when SomeService1.Proc.ProcessEvent_return do
    task.Part.Logmgr.Putline('ProcessEvents_return');
    when SomeService1.Proc.ProcessEvent_exception do
    task.Part.Logmgr.Putline('ProcessEvents_exception');
    end event;
    However, if the asynchronous task started from within "StartImmediate"
    finishes before the client gets a chance to enter its event loop, then
    you're too late to catch the event. That's why it's safer to use the
    "postregister" function, which makes sure a certain action is not started
    untill all events from the event loop have been registered.
    Pascal Rottier
    Atos Origin Nederland (BAS/West End User Computing)
    Tel. +31 (0)10-2661223
    Fax. +31 (0)10-2661199
    E-mail: Pascal.Rottiernl.origin-it.com
    ++++++++++++++++++++++++++++
    Philip Morris (Afd. MIS)
    Tel. +31 (0)164-295149
    Fax. +31 (0)164-294444
    E-mail: Rottier.Pascalpmintl.ch
    -----Original Message-----
    From: Samer Kanjo [mailto:skanjoyahoo.com]
    Sent: Thursday, January 18, 2001 5:04 PM
    To: ForteUsers
    Subject: RE: (forte-users) Confusion with return event
    Pascal,
    So you are confirming that a return event can only be
    received in an event loop if a task is started from
    within that event loop.
    After making your proposed changes I was able to
    receive the return event in the window.
    I originally wanted the SomeService event loop to
    always receive the return event regardless of whether
    or not StartImmediate is called by some other entity
    or called when the timer ticks. It seems that the only
    way to do this is with events. Is that correct?
    Thank you for insight,
    Samer Kanjo
    --- "Rottier, Pascal" <Rottier.Pascalpmintl.ch>
    wrote:
    Samer,
    The return event is delivered to the calling task,
    which is the window in
    your first test. It is not deliverd to the event
    loop of the service object
    unless the call to the processor originated in the
    event loop, which is the
    case in your second test. The output you get from
    the server is exactly as I
    would expect.
    You need the following code in you client:
    event loop
    postregister
    SomeService1.StartImmediate();
    when SomeService1.Proc.ProcessEvent_return do
    task.Part.Logmgr.Putline('ProcessEvents_return');
    when SomeService1.Proc.ProcessEvent_exception do
    task.Part.Logmgr.Putline('ProcessEvents_exception');
    end event;
    Note that this logoutput will not be written to a
    logfile, but will appear
    in the logwindow which is opened when you start a
    client application.
    Pascal Rottier
    Atos Origin Nederland (BAS/West End User Computing)
    Tel. +31 (0)10-2661223
    Fax. +31 (0)10-2661199
    E-mail: Pascal.Rottiernl.origin-it.com
    ++++++++++++++++++++++++++++
    Philip Morris (Afd. MIS)
    Tel. +31 (0)164-295149
    Fax. +31 (0)164-294444
    E-mail: Rottier.Pascalpmintl.ch--
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

  • Read from sql task and send to data flow task - [OLE DB Source [1]] Error: A rowset based on the SQL command was not returned by the OLE DB provider.

    I have created a execut sql task -
    In that, i have a created a 'empidvar' variable of string type and put sqlstatement = 'select distinct empid from emp'
    Resultset=resultname=0 and variablename=empidvar
    I have added data flow task of ole db type and I put this sql statement under sql command - exec emp_sp @empidvar=?
    I am getting an error.
    [OLE DB Source [1]] Error: A rowset based on the SQL command was not returned by the OLE DB provider.
    [SSIS.Pipeline] Error: component "OLE DB Source" (1) failed the pre-execute phase and returned error code 0xC02092B4.

    shouldnt setting be Result
    Set=Full Resultset as your query returns a resultset? also i think variable to be mapped should be of object type.
    Then for data flow task also you need to put it inside a ForEachLoop based on ADO.NET recordset and map your earlier variable inside it so as to iterate for every value the sql task returns.
    Also if using SP in oledb source make sure you read this
    http://consultingblogs.emc.com/jamiethomson/archive/2006/12/20/SSIS_3A00_-Using-stored-procedures-inside-an-OLE-DB-Source-component.aspx
    Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

  • RE: (forte-users) Escript - Loading distrib from specifiednode ?

    JP,
    you can't do it. As says the help file on loaddistrib, :
    "The distribution to be loaded is in the FORTE_ROOT/appdist/<envname>
    directory hierarchy
    on the node running escript."
    So, you have to run escript on the server or the node having the distrib.
    Patrice
    -----Message d'origine-----
    De: Jean-Paul Gabrielli [mailto:Jean-Paul.Gabriellisema.fr]
    Date: mercredi 1 mars 2000 17:59
    &Agrave;: Forte-Users
    Objet: (forte-users) Escript - Loading distrib from specified node ?
    Hi,
    When I do 'listdistrib' in escript, it says 'nothing in local',
    which is fine.
    How do I focus on 'remotenode' for
    'loaddistrib' to be able to find the distribution ?
    thanks
    j-paul gabrielli
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

    FindActEnv
    FindSub anyNode
    ListDistrib
    LoadDistrib MyAppp
    should do it.
    Taras Katkov
    BOURDON Patrice wrote:
    >
    JP,
    you can't do it. As says the help file on loaddistrib, :
    "The distribution to be loaded is in the FORTE_ROOT/appdist/<envname>
    directory hierarchy
    on the node running escript."
    So, you have to run escript on the server or the node having the distrib.
    Patrice
    -----Message d'origine-----
    De: Jean-Paul Gabrielli [mailto:Jean-Paul.Gabriellisema.fr]
    Date: mercredi 1 mars 2000 17:59
    &Agrave;: Forte-Users
    Objet: (forte-users) Escript - Loading distrib from specified node ?
    Hi,
    When I do 'listdistrib' in escript, it says 'nothing in local',
    which is fine.
    How do I focus on 'remotenode' for
    'loaddistrib' to be able to find the distribution ?
    thanks
    j-paul gabrielli
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

  • Is it possible to set table-variant from one user to another one?

    Is it possible to set table-variants from a t-code like fb60 from one user to another one?
    I mean that both user have the same table-variants.

    You mean screen variant, where you will need to anter the GL line items in FB50?
    then you can set your desired variant as DEFAULT for all users, when it is configured.
    Else thru SU10, for all of your users, add parameter ID SCRVAR and give your parameter value (screen variant name) and SAVE.

  • COPY VARIANTS FROM USER  TO AN OTHER USER.

    Hi Friends ,
    I  HAVE A QUERY  THAT CAN WE COPY THE VARIANTS FROM USER TO USER ,
    SUPPOSE  AN USER  RAM HAVING 100 VARIANTS ,  THESE 100 VARIANTS OF USER RAM HAVE TO COPY IN USER SHAYAM.
    I
    REGARDS
    DEVENDRA VARSHNEY

    Try this program in sandbox:
    RSSM_VARIANT_COPY_1

  • Please delete my name from Forte User Forum

    Please delete my name from Forte User Forum.

    > would you be able to please delete my website name
    don*ban*it from my forums.
    > Could you fill the name in with some stars or something.
    When doing a search
    > in the search engines these forums appear as results
    showing the conversations
    > to the whole world. Thank you!!!!!!
    you are asking about something in a post made in November of
    07.
    Deleting or editing it here will have no effect on the
    http://groups.google.com
    archive, or the probably dozens of sites that
    scrape the content from here to use as "content" in their
    websites.
    deleting the site's domain name from here now will not change
    the results
    you get in search engines.
    Alan
    Adobe Community Expert, dreamweaver
    http://www.adobe.com/communities/experts/

  • Drop me from the forte-users list

    Please drop me from the forte-users list. [email protected]
    Thanks

    I think you may need to contact customer service regarding your request. Just click the link below to see the instructions on how you can get in touch with the Support team ;
    http://community.skype.com/t5/The-Skype-Lounge/How-to-Contact-Skype-Customer-Service/td-p/2056783
    IF YOU FOUND OUR POST USEFUL THEN PLEASE GIVE "KUDOS". IF IT HELPED TO FIX YOUR ISSUE PLEASE MARK IT AS A "SOLUTION" TO HELP OTHERS. THANKS!
    ALTERNATIVE SKYPE DOWNLOAD LINKS | HOW TO RECORD SKYPE VIDEO CALLS | HOW TO HANDLE SUSPICIOS CALLS AND MESSAGES
    SEE MORE TIPS, TRICKS, TUTORIALS AND UPDATES in
    | skypefordummies.blogspot.com | 

  • RE: (forte-users) FW: (forte-users)

    Hi there
    Thanks very much for the solution - just wanted to let you know . We
    implemented the design that technote 11378 suggested .
    It worked .
    Thanks very much
    Cheers
    Jen
    -----Original Message-----
    From: Adamek, Zenon [mailto:ZAdamekpurolator.com]
    Sent: Tuesday, 20 March, 2001 9:21 PM
    To: 'forte-userslists.xpedior.com'
    Subject: (forte-users) FW: (forte-users)
    Hi David,
    The problem is that the SO uses an attribute of its class ACBAccount as
    the ObjectReference pointer. SO is not a stateless object. The possible
    scenario before crash can be that client A and B calls SO at the same
    time. A's thread creates ACBAccount gets the ObjectReference. At this
    point B's thread is activated, does the same as A creates new
    ObjectReference. Probably the next switch between A and B will be in the
    Connect() (B should wait for OLE server). If A is reactivated it doesn't
    get the original own reference but the B's reference. It can cause the
    crash and means that a thread can use reference created in some other
    thread.
    Regards,
    Zenon
    -----Original Message-----
    From: David McPaul [SMTP:dmcpaullumley.com.au]
    Sent: Monday, March 19, 2001 11:52 PM
    To: 'forte-userslists.xpedior.com'
    Subject: RE: (forte-users)
    Jenni,
    As Zenon has pointed out, technote 11378 talks about problems that
    can occur if the calls made to an OLE object are not from within the same
    thread the OLE object was created in. It goes on to show a design to
    avoid
    this.
    However, the code you have given DOES communicate to the OLE object
    in the same thread as it was created. So the problem as I see it is more
    likely to be that the OLE object is not being garbage collected. Although
    you do explicitly NIL out the ACBAccount object there is a technote 12453
    that deals with the need to set the ObjectReference of CDispatch objects
    to
    NIL to allow the OLE object to be completely reclaimed by the garbage
    collector. Failure to do so when using code that creates a new OLE object
    every time you ask for an account validation will eventually run the
    partition out of memory.
    As pointed out in a previous post you can also increase
    FORTE_STACK_SIZE but this will delay the problem not correct it.
    Rather than create the connection each time you may want to think
    about redesigning the method as shown in tech note 11378.
    Cheers
    David
    -----Original Message-----
    From: Adamek, Zenon [mailto:ZAdamekpurolator.com]
    Sent: Tuesday, March 20, 2001 5:05 AM
    To: 'Els, Jenni'
    Cc: 'forte-userslists.xpedior.com'
    Subject: RE: (forte-users)
    Hi Jenni,
    The most important issue by designing an OLE connection between a Forte
    server partition and an OLE component is taking into account that an OLE
    object can be referenced from the NT thread in Forte partition that it was
    created in. It is the reason that you have no problems with your mini-app
    in
    single-threaded version.
    This problem is discussed in the Technote 11378. You can find a workaround
    for your problem there, too.
    Regards,
    Zenon
    -----Original Message-----
    From: Els, Jenni [SMTP:JElsnbs.co.za]
    Sent: Monday, March 19, 2001 2:28 AM
    To: 'forte-userslists.xpedior.com'
    Subject: (forte-users)
    Hi there
    We have this situation
    We are calling a Service Object (in the server partition) from ourclient
    partition.This service object calls a method which calls a DLLregistered
    on our server (VB code) . This VB code access a database on anotherserver
    .(DSN set up on our server ).The database is sql server .
    We are having the problem where for about 3 hours in the morning , the
    system works perfectly. We then get a segmentation violation on this
    partition . When we run interpreted we can see that this is an OLEinvoked
    exception. The partition does not always show as offline in econsole
    and
    because it does not , we cannot 'online' another . We cannot take the
    entire app down as everything hangs . Eventually our technical depthas
    to
    down the server
    We set up a mini-app looping through and calling the DLL to simulate
    the
    problem . It worked fine. When we put another asynchronous task in the
    method to call the service object , it erred quite soon. We thencreate
    an
    attribute of type mutex and locked using that. The mini-app worked.
    However our app in development eventually hanged (without the
    partition
    coming though) .
    The service Object is an environment visible service object in asingle
    (non-replicated partition) . It has a dialog duration = session .
    In the project is
    ACB : ACBObject
    ACBObject : CDispatch (shared = disallowed , distributed =
    disallowed, transactional = disallowed, monitored = allowed)
    ACBValidator : Object (shared = allowed , distributed =allowed,
    transactional = disallowed, monitored = disallowed)
    ACBVaidatorSO : ACBValidator
    In this method we have this code to call the DLL
    self.ACBAccount = new;
    self.ACBAccount.CreateUsingCLSID(classID='{2EFD3084-7B05-11D3-857F-00105A4
    8CEA0}');
    pErrorMessage = new;
    acbaccount.BankCode = pBankCode.value;
    acbaccount.BranchCode = pBranchCode.value;
    at : VariantI2 = new;
    at.Value = pAccountType.Value;
    acbaccount.AccountType = at.Value;
    acbaccount.AccountNo = pAccountNo.value;
    begin
    acbaccount.Connect();
    exception
    when e : GenericException do
    ex : GenericException = new;
    ex.SetWithParams(severity = SP_ER_ERROR,
    message = 'There was an error connecting to the database');
    raise ex;
    end;
    begin
    err : i2 = acbaccount.ValidateAccount();
    if err != 0 then
    pErrorMessage.SetValue(acbaccount.ErrDescriptionStr(iErrorCode= err));
    acbaccount.Disconnect();
    return false;
    else
    pErrorMessage.SetValue('The account is
    valid!!');
    acbaccount.Disconnect();
    self.ACBAccount = NIL ;
    return true;
    end if;
    exception
    when e : GenericException do
    acbaccount.Disconnect();
    ex : GenericException = new;
    ex.SetWithParams(severity = SP_ER_ERROR,
    message = 'There was an error Validating the account');
    Task.ErrorMgr.AddError(ex);
    task.errormgr.ShowErrors();
    raise e;
    end;
    exception
    when e : GenericException do
    acbaccount.Disconnect();
    Task.ErrorMgr.ShowErrors();
    raise e;
    If anybody has any suggestions , they would be most welcome
    Thanks very much
    Cheers
    Jenni Els************************************************************************Th
    is e-mail is intended for the use of the individual or entity named above
    and may contain information that is confidential and privileged. If you
    are not the intended recipient, you are hereby notified that any
    dissemination, distribution or copying of this e-mail is strictly
    prohibited. If you have received this e-mail in error, please notify us
    immediately at helpdesklumley.com.au and destroy the original message.
    While this mail and any attachments have been scanned for common computer
    viruses and found to be virus free, we recommend you also perform your own
    virus checking processes before opening any attachments.
    For the archives, go to: http://lists.xpedior.com/forte-users and use
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    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com
    WARNING:
    Any unauthorised use or interception of this email is illegal. If this email
    is not intended for you, you may not copy, distribute nor disclose the
    contents to anyone. Save for bona fide company matters, the BoE Group does
    not accept any responsibility for the opinions expressed in this email.
    For further details please see: http://www.nbs.co.za/emaildisclaim.htm

    Hi there
    Thanks very much for the solution - just wanted to let you know . We
    implemented the design that technote 11378 suggested .
    It worked .
    Thanks very much
    Cheers
    Jen
    -----Original Message-----
    From: Adamek, Zenon [mailto:ZAdamekpurolator.com]
    Sent: Tuesday, 20 March, 2001 9:21 PM
    To: 'forte-userslists.xpedior.com'
    Subject: (forte-users) FW: (forte-users)
    Hi David,
    The problem is that the SO uses an attribute of its class ACBAccount as
    the ObjectReference pointer. SO is not a stateless object. The possible
    scenario before crash can be that client A and B calls SO at the same
    time. A's thread creates ACBAccount gets the ObjectReference. At this
    point B's thread is activated, does the same as A creates new
    ObjectReference. Probably the next switch between A and B will be in the
    Connect() (B should wait for OLE server). If A is reactivated it doesn't
    get the original own reference but the B's reference. It can cause the
    crash and means that a thread can use reference created in some other
    thread.
    Regards,
    Zenon
    -----Original Message-----
    From: David McPaul [SMTP:dmcpaullumley.com.au]
    Sent: Monday, March 19, 2001 11:52 PM
    To: 'forte-userslists.xpedior.com'
    Subject: RE: (forte-users)
    Jenni,
    As Zenon has pointed out, technote 11378 talks about problems that
    can occur if the calls made to an OLE object are not from within the same
    thread the OLE object was created in. It goes on to show a design to
    avoid
    this.
    However, the code you have given DOES communicate to the OLE object
    in the same thread as it was created. So the problem as I see it is more
    likely to be that the OLE object is not being garbage collected. Although
    you do explicitly NIL out the ACBAccount object there is a technote 12453
    that deals with the need to set the ObjectReference of CDispatch objects
    to
    NIL to allow the OLE object to be completely reclaimed by the garbage
    collector. Failure to do so when using code that creates a new OLE object
    every time you ask for an account validation will eventually run the
    partition out of memory.
    As pointed out in a previous post you can also increase
    FORTE_STACK_SIZE but this will delay the problem not correct it.
    Rather than create the connection each time you may want to think
    about redesigning the method as shown in tech note 11378.
    Cheers
    David
    -----Original Message-----
    From: Adamek, Zenon [mailto:ZAdamekpurolator.com]
    Sent: Tuesday, March 20, 2001 5:05 AM
    To: 'Els, Jenni'
    Cc: 'forte-userslists.xpedior.com'
    Subject: RE: (forte-users)
    Hi Jenni,
    The most important issue by designing an OLE connection between a Forte
    server partition and an OLE component is taking into account that an OLE
    object can be referenced from the NT thread in Forte partition that it was
    created in. It is the reason that you have no problems with your mini-app
    in
    single-threaded version.
    This problem is discussed in the Technote 11378. You can find a workaround
    for your problem there, too.
    Regards,
    Zenon
    -----Original Message-----
    From: Els, Jenni [SMTP:JElsnbs.co.za]
    Sent: Monday, March 19, 2001 2:28 AM
    To: 'forte-userslists.xpedior.com'
    Subject: (forte-users)
    Hi there
    We have this situation
    We are calling a Service Object (in the server partition) from ourclient
    partition.This service object calls a method which calls a DLLregistered
    on our server (VB code) . This VB code access a database on anotherserver
    .(DSN set up on our server ).The database is sql server .
    We are having the problem where for about 3 hours in the morning , the
    system works perfectly. We then get a segmentation violation on this
    partition . When we run interpreted we can see that this is an OLEinvoked
    exception. The partition does not always show as offline in econsole
    and
    because it does not , we cannot 'online' another . We cannot take the
    entire app down as everything hangs . Eventually our technical depthas
    to
    down the server
    We set up a mini-app looping through and calling the DLL to simulate
    the
    problem . It worked fine. When we put another asynchronous task in the
    method to call the service object , it erred quite soon. We thencreate
    an
    attribute of type mutex and locked using that. The mini-app worked.
    However our app in development eventually hanged (without the
    partition
    coming though) .
    The service Object is an environment visible service object in asingle
    (non-replicated partition) . It has a dialog duration = session .
    In the project is
    ACB : ACBObject
    ACBObject : CDispatch (shared = disallowed , distributed =
    disallowed, transactional = disallowed, monitored = allowed)
    ACBValidator : Object (shared = allowed , distributed =allowed,
    transactional = disallowed, monitored = disallowed)
    ACBVaidatorSO : ACBValidator
    In this method we have this code to call the DLL
    self.ACBAccount = new;
    self.ACBAccount.CreateUsingCLSID(classID='{2EFD3084-7B05-11D3-857F-00105A4
    8CEA0}');
    pErrorMessage = new;
    acbaccount.BankCode = pBankCode.value;
    acbaccount.BranchCode = pBranchCode.value;
    at : VariantI2 = new;
    at.Value = pAccountType.Value;
    acbaccount.AccountType = at.Value;
    acbaccount.AccountNo = pAccountNo.value;
    begin
    acbaccount.Connect();
    exception
    when e : GenericException do
    ex : GenericException = new;
    ex.SetWithParams(severity = SP_ER_ERROR,
    message = 'There was an error connecting to the database');
    raise ex;
    end;
    begin
    err : i2 = acbaccount.ValidateAccount();
    if err != 0 then
    pErrorMessage.SetValue(acbaccount.ErrDescriptionStr(iErrorCode= err));
    acbaccount.Disconnect();
    return false;
    else
    pErrorMessage.SetValue('The account is
    valid!!');
    acbaccount.Disconnect();
    self.ACBAccount = NIL ;
    return true;
    end if;
    exception
    when e : GenericException do
    acbaccount.Disconnect();
    ex : GenericException = new;
    ex.SetWithParams(severity = SP_ER_ERROR,
    message = 'There was an error Validating the account');
    Task.ErrorMgr.AddError(ex);
    task.errormgr.ShowErrors();
    raise e;
    end;
    exception
    when e : GenericException do
    acbaccount.Disconnect();
    Task.ErrorMgr.ShowErrors();
    raise e;
    If anybody has any suggestions , they would be most welcome
    Thanks very much
    Cheers
    Jenni Els************************************************************************Th
    is e-mail is intended for the use of the individual or entity named above
    and may contain information that is confidential and privileged. If you
    are not the intended recipient, you are hereby notified that any
    dissemination, distribution or copying of this e-mail is strictly
    prohibited. If you have received this e-mail in error, please notify us
    immediately at helpdesklumley.com.au and destroy the original message.
    While this mail and any attachments have been scanned for common computer
    viruses and found to be virus free, we recommend you also perform your own
    virus checking processes before opening any attachments.
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com--
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com
    WARNING:
    Any unauthorised use or interception of this email is illegal. If this email
    is not intended for you, you may not copy, distribute nor disclose the
    contents to anyone. Save for bona fide company matters, the BoE Group does
    not accept any responsibility for the opinions expressed in this email.
    For further details please see: http://www.nbs.co.za/emaildisclaim.htm

  • RE: (forte-users) 3J= 3M new to me error

    Hi Thomas,
    Thanks for your email but I think it will be interesting for Brenda not me.
    It is exactly what I have expected from Forte Support: detailed information
    about bugs and workarounds. But what I cannot understand is that #53398 was
    released without any information about possible reasons for this problem or
    suggested workarounds. My first reaction after reading this bugreport was to
    open a new case at CallCenter to get more information about it. Please
    release more information with your bug reports !
    Regards
    Zenon Adamek
    Information Services
    Senior Programmer Analyst
    Tel: 905 712-1084 ext. 3628
    Fax: 905 712-6709
    E-mail: zadamekpurolator.com
    -----Original Message-----
    From: Thomas Degen - Sun Germany Forte Tools - Bonn
    [SMTP:thomas.degensun.com]
    Sent: Wednesday, September 27, 2000 9:49 AM
    To: Adamek, Zenon
    Cc: 'Brenda Cumming'; Forte-userslists.xpedior.com
    Subject: RE: (forte-users) 3J=>3M new to me error
    Hi Zenon,
    bug #53398 is not a bug which will likely get fixed, it's an informational
    bugreport.
    You might see an errorstack like Brenda has reported (and described in
    informational
    bugreport #53398) probably when you are doing something illegal that is
    possible
    via Forte Tool but Forte is not trapping it for performance reasons. Hence
    you will see
    the error coming from your illegal operation only at runtime, probably
    only
    while
    running interpreted in the Forte IDE, but in worst case it might be even a
    segmentation
    violation.
    Technotes 12448 'Sudden client partition crashes at runtime' and 11225
    'Don't reparent
    mapped Widgets between UserWindows at runtime' explain this matter . See
    attached.
    But maybe Brenda is much more experiencing a problem as described by Forte
    Technote 11398 'Read Only Workspace Errors using ListViews or ActiveX
    control'
    that might get easily resolved via setting of FORTE_YIELD_THROTTLE=0.
    Good Luck and Best Regards !
    BTW: I've logged bug #53398, so I've felt responsible to explain its real
    background.
    Thomas
    Thomas Degen
    Sun Microsystems - Forte Tools
    Forte CTE & Sustaining Group
    Technical Support Germany
    tel.:+49.228/91499-50
    MailTo:thomas.degensun.com
    Technote 11398 Read Only Workspace Errors using ListViews or ActiveX
    control
    SCENARIO:
    Getting some unusual interpreter errors that result in an error stating
    that
    the workspace has been set to read only. Please see Enclosures for the
    two
    most common error stacks that have been encountered. The abbreviated
    versions of the errors are:
    - Can't read record (record size = -1)
    - Id in index does not match id in record header in data file
    - Recursive deserialization attempted.
    - Unknown Mark type in deserialization
    - Could not read record (64,74615) from repository data file.
    Header
    is corrupt.
    These errors can be happening in either the development environment when
    running from one of the development workshops, or with the deployed
    application.
    The bug outlined in this Technote may be the culprit if the errors above
    are
    seen when running a client on Windows NT or Motif and the user interface
    incorporates ActiveX controls or ListView/TreeView widgets.
    CAUSE:
    Basically what is happening is that in rare circumstances Forte may invoke
    a
    nested copy of the interpreter while the first interpreter has yielded.
    This
    is not a problem in and of itself, but in the case where the original
    interpreter was in the middle of a repository fetch when it yielded, and
    the second interpreter needs to fetch code as well, we will get one of the
    errors listed above, depending on the exact timing. The reason for the
    errors is that the repository code at this level is thread-safe but not
    re-entrant. It is protected by a mutex that is already owned by the
    current task. Which, given the scenario outlined here, where the two
    interpreters are running inside of the same task, results in the nested
    interpreter being allowed to change data out from under the first.
    While for every fetch one or more calls to WindowSystem.Yield will be made
    (this is there to prevent the semblance of system lock-up on Win 3.1,
    where
    Yield is the only way other applications can be allowed to run), there is
    a parameter which controls how often to actually yield, which by default
    is
    set to one out of every 100 calls. This is the reason the problem is
    intermittent--you need a yield to occur during a repository fetch
    which starts another interpreter which also needs to fetch code from
    disk.
    The reason this has only surfaced recently is that the nested interpreter
    scenario can only happen in 2 cases that we know of:
    - ActiveX controls which respond to events/Windows messages
    - Outline fields/ListViews with column(s) mapped to virtual
    attributes
    In all other normal cases, the yield can process the message (typically a
    paint message) without starting another interpreter, so regardless of
    whether
    the first interpreter yielded during a repository operation or not, there
    is
    no conflict.
    SOLUTION:
    The workaround is to prevent yields altogether by setting the
    FORTE_YIELD_THROTTLE environment variable equal to 0 in the client's
    environment. This should have no detrimental effects since the yield code
    is in place solely for Windows 3.1x clients.
    ERROR STACK 1
    SYSTEM ERROR: Because of a prior error, your workspace was set to
    read-only to
    prevent the application from attempting to write to the repository. The
    repository and work you have saved to the repository are safe. If your
    workspace
    contains unsaved work, you may use the following procedure to save this
    work.
    First, export the changed components. Then, shut down and restart this
    application and reopen this workspace in read-write mode. Finally, import
    the
    changed components and save your workspace.
    Class: qqrp_RepResourceException
    Error #: [1101, 695]
    Detected at: qqrp_Session::GetObjectById
    Last TOOL statement: method EFWindowController.EFEventLoop
    Error Time: Tue Nov 18 15:58:47
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1,
    taskId =
    [7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1.23]) in application
    "ConPlus_GUI_cl0", pid 147 on node ISD060 in environment EdgeTest.
    The remainder of the Error Manager stack is:
    SYSTEM ERROR: Internal Error attempting to deserialize element (64,67470)
    (fetch
    bitmask is 0x20). Your workspace is now read-only to prevent the
    application
    from attempting to write to the repository. The repository and work you
    have
    saved to the repository are safe. If your workspace contains unsaved work,
    you
    may use the following procedure to save this work. First, export the
    changed
    components. Then, shut down and restart this application and reopen this
    workspace in read-write mode. Finally, import the changed components and
    save
    your workspace.
    Class: qqrp_RepResourceException
    Error #: [1101, 61]
    Detected at: qqrp_LogicalSession::MaterializeObject
    Last TOOL statement: method EFTabManagerNew.EFNoteBookHandler
    Error Time: Tue Nov 18 15:58:47
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1,
    taskId =
    [7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1.23]) in application
    "ConPlus_GUI_cl0", pid 147 on node ISD060 in environment EdgeTest.
    SYSTEM ERROR: Unknown Mark type in deserialization.
    Class: qqsp_ImplementationException
    Error #: [1101, 34]
    Detected at: qqrp_DeSerializeObject::ProcessHdr
    Error Time: Tue Nov 18 15:58:47
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1,
    taskId =
    [7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1.23]) in application
    "ConPlus_GUI_cl0", pid 147 on node ISD060 in environment EdgeTest.
    ERROR STACK 2
    SYSTEM ERROR: A serious error has occurred in Repository
    (c:\PROGRA~1\CSSPTEST\conplu0). Corrective action may be necessary.
    Notify
    your repository administrator.
    Class: qqsp_ImplementationException
    Error #: [1101, 198]
    Detected at: qqrp_Repository::Fetch
    Last TOOL statement: method
    SalesDevelopment_NWC.DEVNotifyofTabSetCurrent
    Error Time: Wed Dec 03 10:27:22
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 769D4310-6B88-11D1-84FD-65BF87C8AA77:0x121:0x1,
    taskId =
    [769D4310-6B88-11D1-84FD-65BF87C8AA77:0x121:0x1.22]) in application
    "ConPlus_GUI_cl0", pid 172 on node ISD42 in environment Edge.
    SYSTEM ERROR: Could not read record (64,74615) from repository data file.
    Header is corrupt.
    Class: qqsp_ImplementationException
    Error #: [1106, 612]
    Detected at: qqbt_BtreeAccess::FetchDataFileRecord
    Error Time: Wed Dec 03 10:27:22
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 769D4310-6B88-11D1-84FD-65BF87C8AA77:0x121:0x1,
    taskId =
    [769D4310-6B88-11D1-84FD-65BF87C8AA77:0x121:0x1.22]) in application
    "ConPlus_GUI_cl0", pid 172 on node ISD42 in environment Edge.
    Technote 11225 Don't reparent mapped Widgets between UserWindows at
    runtime
    It is sometimes tempting to unparent a widget from one UserWindow and
    reparent
    it into another at runtime. However, this can cause crashes if the widget
    (or
    its decendants) are "mapped" to data. Here's why...
    Suppose you have two UserWindows, UW1 and UW2. UW1 contains a DataField
    (DF1)
    which is mapped to a TextData. UW2 contains a RadioList (RL2) which is
    mapped to
    a scalar Integer. At compile time, every mapped attribute is internally
    assigned
    a "Map ID" (a small integer) which is used to tie the Widget to its
    corresponding attribute. These Map IDs are used by the Widget to look up a
    pointer to their data in a "Map" which is maintained by the UserWindow.
    Each
    UserWindow is assumed be to independent of the others, so there is nothing
    wrong
    with Widgets in different UserWindows being assigned the same Map IDs.
    In
    this
    case, let's assume that DF1 and RL2 both got assigned the same Map ID of
    3. No
    problem so far, since each lives in a separate UserWindow with a separate
    map.
    Now suppose at runtime the application "detaches" or unparents DF1 from
    its
    UserWindow and reparents it somewhere into UW2. When it comes time for DF1
    to
    paint itself the Display System it must ask the Runtime System for the
    value of
    DF1's mapped attribute. To do that it says "give me the value of the
    TextData
    for DF1. You'll find it in the Map for this UserWindow (UW1), and its Map
    ID is
    3". When the runtime system goes to do this it expects to find a TextData
    in
    this "slot" of the map, but instead it picks up the integer which is
    mapped to
    RL2. At best this leads to bad data being returned; more likely you get a
    segfault and a crash.
    If DF1 was not a mapped attribute (say, a Rectangle) there would be no
    problem
    because there is no data mapped to a Rectangle. If instead of moving DF1
    you
    created a brand new DataField on the fly there would be no problem,
    because the
    dynamic DataField would not have any Map ID and so couldn't conflict with
    any
    IDs in UW2.
    So how do you solve this problem? This is exactly what Nested Windows are
    all
    about. While you can't move DF1 into the middle of UW2, you can nest
    UW1.
    This
    works because UW1 brings its map with it, and when you access DF1 it knows
    to
    look up its value in UW1's map.
    UserWindows are intended to be the "unit of compilabilty" that can be
    nested
    inside other UserWindows. It is dangerous to "transplant" anything from
    inside
    one UserWindow into another at runtime.
    (Note that you can't avoid this problem by cloning DF1 because the MapID
    gets
    copied along with it, and the clone will fail in the same way.)
    Further details explained in related technote 12448 'Sudden client
    partition
    crashes at runtime.'
    Technote 12448 Sudden client partition crashes at runtime
    Scenario : You have two UserWindows, A and B. When Window A starts up, it
    instantiates an instance of B and reparents some component of B into A's
    window
    hierarchy.
    This is not allowed and almost always leads to an error at best or at
    worse a
    segmentation fault.
    Here's why :
    When you compile a UserWindow in Forte, each "mapped attribute" (whether a
    form
    element or menu element) is assigned an internal ID which represents an
    offset into
    that UserWindow's table of mapped attributes. This offset is only valid
    in the
    context of the UserWindow in which it was compiled. If you detach a
    FieldWidget or
    MenuWidget from one compiled Window ("tmpMenu" for example) and then
    parent
    into another compiled window ("tmpWindow") the internal ID comes with it.
    When Forte tries to make use of that copied widget it uses the ID as an
    offset
    into tmpWindow's table of mapped attributes. But that copied offset is
    meaningless in the context of tmpWindow's table, so you get some kind off
    error.
    In this case it found that the data type of the variable in the slot
    wasn't
    what
    was expected. But you might even index off the end of the table and get a
    segmentation fault.
    There is nothing to prevent you from dynamically creating menu items and
    adding
    them to a window at runtime; that will work fine. Although of course you
    can't
    access them via mapped attributes, since those can only be created at
    compile time.
    But you are not allowed to reparent a widget from one compiled UserWindow
    into
    the hierarchy of another.
    More information may be found in technote 11225 'Don't reparent mapped
    Widgets
    between UserWindows at runtime'.
    Possible errorstacks seen at runtime instead of a complete crash or
    segmentation
    violation while you are illegally reparenting a widget or menuitem between
    windows
    at runtime:
    Map::SetSubjectData: Invalid conversion from map type 0 to subject type 22
    SYSTEM ERROR: Bad parameter at location 3 in method
    qqrt_MapClassAccess::ProcessSubjectData.
    Class: qqsp_Exception
    Error #: [1001, 381]
    Detected at: qqrt_MapClassAccess::ProcessSubjectData at 3
    Error Time: Wed Aug 09 13:03:57
    Exception occurred (locally) on partition "testproject_CL0_Client",
    (partitionId = D4914A10-36C1-11D4-91B3-419AA33BAA77:0x208:0xd,
    taskId =
    [D4914A10-36C1-11D4-91B3-419AA33BAA77:0x208:0xd.68]) in application
    "FTLaunch_cl0", pid 672 on node ONEWAY in environment Audi3M2Env.
    At 13:14 26.09.00 -0400, Adamek, Zenon wrote:
    Hi,
    It is the unfixed defect 53398. Please contact Forte support.
    Zenon
    -----Original Message-----
    From: Brenda Cumming [SMTP:brenda_cummingtranscanada.com]
    Sent: Tuesday, September 26, 2000 1:15 PM
    To: Forte User group
    Subject: (forte-users) 3J=>3M new to me error
    Hi,
    We are in the process of going from 3J1 to 3.0.M.2, and I am getting
    this error that I am unfamiliar with on a GUI that works fine in 3J.
    It
    does not happen all the time, and I have been unable to establish the
    pattern that kicks it off. Has anyone seen this before?
    PS- this error is not occurring in the deployed (non-compiled) app,but
    when I am running locally from my workspace.
    SYSTEM ERROR: Bad parameter at location 6 in method
    qqrt_MapClassAccess::ProcessSubjectData.
    Class: qqsp_Exception
    Error #: [1001, 381]
    Detected at: qqrt_MapClassAccess::ProcessSubjectData at 6
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition
    "ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2,
    taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    SYSTEM ERROR: Can't find scope 20070 for a class.
    Class: qqsp_Exception
    Error #: [201, 11]
    Detected at: qqlo_ClassTableLoadScope at 1
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition"ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2, taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    SYSTEM ERROR: Because of a prior error, your workspace was set to
    read-only to prevent the application from attempting to write to the repository.
    The repository and work you have saved to the repository are safe. If
    your
    workspace contains unsaved work, you may use the following procedure
    to save this work. First, export the changed components. Then, shut down and
    restart this application and reopen this workspace in read-write mode.
    Finally, import the changed components and save your workspace.
    Class: qqrp_RepResourceException
    Error #: [1101, 695]
    Detected at: qqrp_Session::IsDistributed
    Last TOOL statement: method PPMeasWin.
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition
    "ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2, taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    SYSTEM ERROR: Internal Error attempting to deserialize element
    (64,120684) (fetch bitmask is 0x20). Your workspace is now read-onlyto
    prevent
    the application from attempting to write to the repository. The
    repository
    and work you have saved to the repository are safe. If your workspace
    contains unsaved work, you may use the following procedure to savethis
    work.
    First, export the changed components. Then, shut down and restart this
    application and reopen this workspace in read-write mode. Finally, import the
    changed components and save your workspace.
    Class: qqrp_RepResourceException
    Error #: [1101, 61]
    Detected at: qqrp_LogicalSession::MaterializeObject
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition
    "ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2, taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    SYSTEM ERROR: Recursive Deserialization attempted, Internal Error!
    Class: qqsp_UsageException with ReasonCode: SP_ER_INVALIDSTATE
    Error #: [301, 231]
    Detected at: qqsp_DeSerializeDriver::Run at 1
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition"ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2, taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
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    Hi Thomas,
    Thanks for your email but I think it will be interesting for Brenda not me.
    It is exactly what I have expected from Forte Support: detailed information
    about bugs and workarounds. But what I cannot understand is that #53398 was
    released without any information about possible reasons for this problem or
    suggested workarounds. My first reaction after reading this bugreport was to
    open a new case at CallCenter to get more information about it. Please
    release more information with your bug reports !
    Regards
    Zenon Adamek
    Information Services
    Senior Programmer Analyst
    Tel: 905 712-1084 ext. 3628
    Fax: 905 712-6709
    E-mail: zadamekpurolator.com
    -----Original Message-----
    From: Thomas Degen - Sun Germany Forte Tools - Bonn
    [SMTP:thomas.degensun.com]
    Sent: Wednesday, September 27, 2000 9:49 AM
    To: Adamek, Zenon
    Cc: 'Brenda Cumming'; Forte-userslists.xpedior.com
    Subject: RE: (forte-users) 3J=>3M new to me error
    Hi Zenon,
    bug #53398 is not a bug which will likely get fixed, it's an informational
    bugreport.
    You might see an errorstack like Brenda has reported (and described in
    informational
    bugreport #53398) probably when you are doing something illegal that is
    possible
    via Forte Tool but Forte is not trapping it for performance reasons. Hence
    you will see
    the error coming from your illegal operation only at runtime, probably
    only
    while
    running interpreted in the Forte IDE, but in worst case it might be even a
    segmentation
    violation.
    Technotes 12448 'Sudden client partition crashes at runtime' and 11225
    'Don't reparent
    mapped Widgets between UserWindows at runtime' explain this matter . See
    attached.
    But maybe Brenda is much more experiencing a problem as described by Forte
    Technote 11398 'Read Only Workspace Errors using ListViews or ActiveX
    control'
    that might get easily resolved via setting of FORTE_YIELD_THROTTLE=0.
    Good Luck and Best Regards !
    BTW: I've logged bug #53398, so I've felt responsible to explain its real
    background.
    Thomas
    Thomas Degen
    Sun Microsystems - Forte Tools
    Forte CTE & Sustaining Group
    Technical Support Germany
    tel.:+49.228/91499-50
    MailTo:thomas.degensun.com
    Technote 11398 Read Only Workspace Errors using ListViews or ActiveX
    control
    SCENARIO:
    Getting some unusual interpreter errors that result in an error stating
    that
    the workspace has been set to read only. Please see Enclosures for the
    two
    most common error stacks that have been encountered. The abbreviated
    versions of the errors are:
    - Can't read record (record size = -1)
    - Id in index does not match id in record header in data file
    - Recursive deserialization attempted.
    - Unknown Mark type in deserialization
    - Could not read record (64,74615) from repository data file.
    Header
    is corrupt.
    These errors can be happening in either the development environment when
    running from one of the development workshops, or with the deployed
    application.
    The bug outlined in this Technote may be the culprit if the errors above
    are
    seen when running a client on Windows NT or Motif and the user interface
    incorporates ActiveX controls or ListView/TreeView widgets.
    CAUSE:
    Basically what is happening is that in rare circumstances Forte may invoke
    a
    nested copy of the interpreter while the first interpreter has yielded.
    This
    is not a problem in and of itself, but in the case where the original
    interpreter was in the middle of a repository fetch when it yielded, and
    the second interpreter needs to fetch code as well, we will get one of the
    errors listed above, depending on the exact timing. The reason for the
    errors is that the repository code at this level is thread-safe but not
    re-entrant. It is protected by a mutex that is already owned by the
    current task. Which, given the scenario outlined here, where the two
    interpreters are running inside of the same task, results in the nested
    interpreter being allowed to change data out from under the first.
    While for every fetch one or more calls to WindowSystem.Yield will be made
    (this is there to prevent the semblance of system lock-up on Win 3.1,
    where
    Yield is the only way other applications can be allowed to run), there is
    a parameter which controls how often to actually yield, which by default
    is
    set to one out of every 100 calls. This is the reason the problem is
    intermittent--you need a yield to occur during a repository fetch
    which starts another interpreter which also needs to fetch code from
    disk.
    The reason this has only surfaced recently is that the nested interpreter
    scenario can only happen in 2 cases that we know of:
    - ActiveX controls which respond to events/Windows messages
    - Outline fields/ListViews with column(s) mapped to virtual
    attributes
    In all other normal cases, the yield can process the message (typically a
    paint message) without starting another interpreter, so regardless of
    whether
    the first interpreter yielded during a repository operation or not, there
    is
    no conflict.
    SOLUTION:
    The workaround is to prevent yields altogether by setting the
    FORTE_YIELD_THROTTLE environment variable equal to 0 in the client's
    environment. This should have no detrimental effects since the yield code
    is in place solely for Windows 3.1x clients.
    ERROR STACK 1
    SYSTEM ERROR: Because of a prior error, your workspace was set to
    read-only to
    prevent the application from attempting to write to the repository. The
    repository and work you have saved to the repository are safe. If your
    workspace
    contains unsaved work, you may use the following procedure to save this
    work.
    First, export the changed components. Then, shut down and restart this
    application and reopen this workspace in read-write mode. Finally, import
    the
    changed components and save your workspace.
    Class: qqrp_RepResourceException
    Error #: [1101, 695]
    Detected at: qqrp_Session::GetObjectById
    Last TOOL statement: method EFWindowController.EFEventLoop
    Error Time: Tue Nov 18 15:58:47
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1,
    taskId =
    [7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1.23]) in application
    "ConPlus_GUI_cl0", pid 147 on node ISD060 in environment EdgeTest.
    The remainder of the Error Manager stack is:
    SYSTEM ERROR: Internal Error attempting to deserialize element (64,67470)
    (fetch
    bitmask is 0x20). Your workspace is now read-only to prevent the
    application
    from attempting to write to the repository. The repository and work you
    have
    saved to the repository are safe. If your workspace contains unsaved work,
    you
    may use the following procedure to save this work. First, export the
    changed
    components. Then, shut down and restart this application and reopen this
    workspace in read-write mode. Finally, import the changed components and
    save
    your workspace.
    Class: qqrp_RepResourceException
    Error #: [1101, 61]
    Detected at: qqrp_LogicalSession::MaterializeObject
    Last TOOL statement: method EFTabManagerNew.EFNoteBookHandler
    Error Time: Tue Nov 18 15:58:47
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1,
    taskId =
    [7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1.23]) in application
    "ConPlus_GUI_cl0", pid 147 on node ISD060 in environment EdgeTest.
    SYSTEM ERROR: Unknown Mark type in deserialization.
    Class: qqsp_ImplementationException
    Error #: [1101, 34]
    Detected at: qqrp_DeSerializeObject::ProcessHdr
    Error Time: Tue Nov 18 15:58:47
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1,
    taskId =
    [7EFAE060-4AFA-11D1-A1C1-1FDC8A99AA77:0x446:0x1.23]) in application
    "ConPlus_GUI_cl0", pid 147 on node ISD060 in environment EdgeTest.
    ERROR STACK 2
    SYSTEM ERROR: A serious error has occurred in Repository
    (c:\PROGRA~1\CSSPTEST\conplu0). Corrective action may be necessary.
    Notify
    your repository administrator.
    Class: qqsp_ImplementationException
    Error #: [1101, 198]
    Detected at: qqrp_Repository::Fetch
    Last TOOL statement: method
    SalesDevelopment_NWC.DEVNotifyofTabSetCurrent
    Error Time: Wed Dec 03 10:27:22
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 769D4310-6B88-11D1-84FD-65BF87C8AA77:0x121:0x1,
    taskId =
    [769D4310-6B88-11D1-84FD-65BF87C8AA77:0x121:0x1.22]) in application
    "ConPlus_GUI_cl0", pid 172 on node ISD42 in environment Edge.
    SYSTEM ERROR: Could not read record (64,74615) from repository data file.
    Header is corrupt.
    Class: qqsp_ImplementationException
    Error #: [1106, 612]
    Detected at: qqbt_BtreeAccess::FetchDataFileRecord
    Error Time: Wed Dec 03 10:27:22
    Exception occurred (locally) on partition "ConPlus_GUI_cl0_Client",
    (partitionId = 769D4310-6B88-11D1-84FD-65BF87C8AA77:0x121:0x1,
    taskId =
    [769D4310-6B88-11D1-84FD-65BF87C8AA77:0x121:0x1.22]) in application
    "ConPlus_GUI_cl0", pid 172 on node ISD42 in environment Edge.
    Technote 11225 Don't reparent mapped Widgets between UserWindows at
    runtime
    It is sometimes tempting to unparent a widget from one UserWindow and
    reparent
    it into another at runtime. However, this can cause crashes if the widget
    (or
    its decendants) are "mapped" to data. Here's why...
    Suppose you have two UserWindows, UW1 and UW2. UW1 contains a DataField
    (DF1)
    which is mapped to a TextData. UW2 contains a RadioList (RL2) which is
    mapped to
    a scalar Integer. At compile time, every mapped attribute is internally
    assigned
    a "Map ID" (a small integer) which is used to tie the Widget to its
    corresponding attribute. These Map IDs are used by the Widget to look up a
    pointer to their data in a "Map" which is maintained by the UserWindow.
    Each
    UserWindow is assumed be to independent of the others, so there is nothing
    wrong
    with Widgets in different UserWindows being assigned the same Map IDs.
    In
    this
    case, let's assume that DF1 and RL2 both got assigned the same Map ID of
    3. No
    problem so far, since each lives in a separate UserWindow with a separate
    map.
    Now suppose at runtime the application "detaches" or unparents DF1 from
    its
    UserWindow and reparents it somewhere into UW2. When it comes time for DF1
    to
    paint itself the Display System it must ask the Runtime System for the
    value of
    DF1's mapped attribute. To do that it says "give me the value of the
    TextData
    for DF1. You'll find it in the Map for this UserWindow (UW1), and its Map
    ID is
    3". When the runtime system goes to do this it expects to find a TextData
    in
    this "slot" of the map, but instead it picks up the integer which is
    mapped to
    RL2. At best this leads to bad data being returned; more likely you get a
    segfault and a crash.
    If DF1 was not a mapped attribute (say, a Rectangle) there would be no
    problem
    because there is no data mapped to a Rectangle. If instead of moving DF1
    you
    created a brand new DataField on the fly there would be no problem,
    because the
    dynamic DataField would not have any Map ID and so couldn't conflict with
    any
    IDs in UW2.
    So how do you solve this problem? This is exactly what Nested Windows are
    all
    about. While you can't move DF1 into the middle of UW2, you can nest
    UW1.
    This
    works because UW1 brings its map with it, and when you access DF1 it knows
    to
    look up its value in UW1's map.
    UserWindows are intended to be the "unit of compilabilty" that can be
    nested
    inside other UserWindows. It is dangerous to "transplant" anything from
    inside
    one UserWindow into another at runtime.
    (Note that you can't avoid this problem by cloning DF1 because the MapID
    gets
    copied along with it, and the clone will fail in the same way.)
    Further details explained in related technote 12448 'Sudden client
    partition
    crashes at runtime.'
    Technote 12448 Sudden client partition crashes at runtime
    Scenario : You have two UserWindows, A and B. When Window A starts up, it
    instantiates an instance of B and reparents some component of B into A's
    window
    hierarchy.
    This is not allowed and almost always leads to an error at best or at
    worse a
    segmentation fault.
    Here's why :
    When you compile a UserWindow in Forte, each "mapped attribute" (whether a
    form
    element or menu element) is assigned an internal ID which represents an
    offset into
    that UserWindow's table of mapped attributes. This offset is only valid
    in the
    context of the UserWindow in which it was compiled. If you detach a
    FieldWidget or
    MenuWidget from one compiled Window ("tmpMenu" for example) and then
    parent
    into another compiled window ("tmpWindow") the internal ID comes with it.
    When Forte tries to make use of that copied widget it uses the ID as an
    offset
    into tmpWindow's table of mapped attributes. But that copied offset is
    meaningless in the context of tmpWindow's table, so you get some kind off
    error.
    In this case it found that the data type of the variable in the slot
    wasn't
    what
    was expected. But you might even index off the end of the table and get a
    segmentation fault.
    There is nothing to prevent you from dynamically creating menu items and
    adding
    them to a window at runtime; that will work fine. Although of course you
    can't
    access them via mapped attributes, since those can only be created at
    compile time.
    But you are not allowed to reparent a widget from one compiled UserWindow
    into
    the hierarchy of another.
    More information may be found in technote 11225 'Don't reparent mapped
    Widgets
    between UserWindows at runtime'.
    Possible errorstacks seen at runtime instead of a complete crash or
    segmentation
    violation while you are illegally reparenting a widget or menuitem between
    windows
    at runtime:
    Map::SetSubjectData: Invalid conversion from map type 0 to subject type 22
    SYSTEM ERROR: Bad parameter at location 3 in method
    qqrt_MapClassAccess::ProcessSubjectData.
    Class: qqsp_Exception
    Error #: [1001, 381]
    Detected at: qqrt_MapClassAccess::ProcessSubjectData at 3
    Error Time: Wed Aug 09 13:03:57
    Exception occurred (locally) on partition "testproject_CL0_Client",
    (partitionId = D4914A10-36C1-11D4-91B3-419AA33BAA77:0x208:0xd,
    taskId =
    [D4914A10-36C1-11D4-91B3-419AA33BAA77:0x208:0xd.68]) in application
    "FTLaunch_cl0", pid 672 on node ONEWAY in environment Audi3M2Env.
    At 13:14 26.09.00 -0400, Adamek, Zenon wrote:
    Hi,
    It is the unfixed defect 53398. Please contact Forte support.
    Zenon
    -----Original Message-----
    From: Brenda Cumming [SMTP:brenda_cummingtranscanada.com]
    Sent: Tuesday, September 26, 2000 1:15 PM
    To: Forte User group
    Subject: (forte-users) 3J=>3M new to me error
    Hi,
    We are in the process of going from 3J1 to 3.0.M.2, and I am getting
    this error that I am unfamiliar with on a GUI that works fine in 3J.
    It
    does not happen all the time, and I have been unable to establish the
    pattern that kicks it off. Has anyone seen this before?
    PS- this error is not occurring in the deployed (non-compiled) app,but
    when I am running locally from my workspace.
    SYSTEM ERROR: Bad parameter at location 6 in method
    qqrt_MapClassAccess::ProcessSubjectData.
    Class: qqsp_Exception
    Error #: [1001, 381]
    Detected at: qqrt_MapClassAccess::ProcessSubjectData at 6
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition
    "ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2,
    taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    SYSTEM ERROR: Can't find scope 20070 for a class.
    Class: qqsp_Exception
    Error #: [201, 11]
    Detected at: qqlo_ClassTableLoadScope at 1
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition"ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2, taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    SYSTEM ERROR: Because of a prior error, your workspace was set to
    read-only to prevent the application from attempting to write to the repository.
    The repository and work you have saved to the repository are safe. If
    your
    workspace contains unsaved work, you may use the following procedure
    to save this work. First, export the changed components. Then, shut down and
    restart this application and reopen this workspace in read-write mode.
    Finally, import the changed components and save your workspace.
    Class: qqrp_RepResourceException
    Error #: [1101, 695]
    Detected at: qqrp_Session::IsDistributed
    Last TOOL statement: method PPMeasWin.
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition
    "ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2, taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    SYSTEM ERROR: Internal Error attempting to deserialize element
    (64,120684) (fetch bitmask is 0x20). Your workspace is now read-onlyto
    prevent
    the application from attempting to write to the repository. The
    repository
    and work you have saved to the repository are safe. If your workspace
    contains unsaved work, you may use the following procedure to savethis
    work.
    First, export the changed components. Then, shut down and restart this
    application and reopen this workspace in read-write mode. Finally, import the
    changed components and save your workspace.
    Class: qqrp_RepResourceException
    Error #: [1101, 61]
    Detected at: qqrp_LogicalSession::MaterializeObject
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition
    "ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2, taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    SYSTEM ERROR: Recursive Deserialization attempted, Internal Error!
    Class: qqsp_UsageException with ReasonCode: SP_ER_INVALIDSTATE
    Error #: [301, 231]
    Detected at: qqsp_DeSerializeDriver::Run at 1
    Error Time: Wed Sep 20 14:32:54
    Exception occurred (locally) on partition"ABSDevtStartUp_CL0_Client",
    (partitionId = 36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2, taskId =
    [36172000-5DA8-11D4-B1F0-14015EDAAA77:0x2da:0x2.25]) in
    application
    "Forte_cl0", pid 93 on node T5621 in environment AbisDMEnv.
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in anew
    email the word: 'Unsubscribe' to:forte-users-requestlists.xpedior.com
    For the archives, go to: http://lists.xpedior.com/forte-users and use
    the login: forte and the password: archive. To unsubscribe, send in a new
    email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com

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