Open_form with session causing deadlock after commit is applied in called form
Hi all,
i am using forms 10g r2. i have two forms say A and B. I am calling form B from A using open_form built-in with session_mode is set to session. Form opening without error and i can update execute queries and insert records on both forms but.
Let say i make some changes on form A and then without committing them i am jumping to form B and making some changes here on form B also i commit these changes which i made on form B and here form hangs and i could not do anything. By checking into session table i found that row is locked in the block of form A where i left the changes un-saved. What i think this should not happen because if both the forms are open in separate sessions then why form is placing lock over another opened form changes. I solved this problem when i changed locking mode property of Block at form A to DELAYED. Then it was OK. Is it the default behavior or something is wrong in my forms.
Xem
This is not the kind of problem that lends itself well to a forum like this one. I have never seen this be a plug-in specific problem and I would be very surprised if it turned out to be. Please call Oracle Customer Support and ask them to analyze your problem.
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The fields in the form are all right. The fields get filled in perfectly in most of the cases, only those few rows don't :(
However, now that you wrote of the process of row fetching, I think that maybe I have an idea of what is happening. My table has two primary keys (two fields together make the primary key, I don't know how it's called in English), one of them is a date. (I know that this is quite a bad practice, but, much to my regret, I cannot change it.) Now, this date is in YY-MON-DD format, which is used by my language.
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How can I pass paramters to next page with session protection on?
Hi, guys:
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SamI can quickly show you what I've done to solve for this:
First, create a PL/SQL Anonymous block, application level process of type "On Demand" Here is an example of what I'm using - I named the process is SIMPLE_SSP (name is important later)
declare
l_url varchar2(1000);
s_url varchar2(2000);
begin
l_url := wwv_flow.g_x01; -- the apex name is g_x01 - note the key in the key value we pass later in javascript
s_url := apex_util.prepare_url(p_url => l_url,p_checksum_type => 'SESSION'); -- and here's where we get checksum
htp.p(s_url); -- and here's where we return it
end;
Next, I create a javascript function that can be called in the link
function redir_ssp(p1,p2,p3) {
var param1 = p1;
var param2 = p2;
var param3 = p3;
// notice when creating our Ajax object we reference the Application process by name
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// notice the 'x01' literal mirrors the built in apex var we used above. x01, x02, x03 ... etc match their counterparts.
// you can use many parameters as long as you deal with them in the proc the same way
ajaxReq.addParam('x01',sURL);
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Finally in the link
<a href="#" onclick="Javascript:redir_ssp(p1,p2,p3)">link text</a>
This can be easily altered to use in a pop up. -
Called form crashes, when called with default option
Here is the problem statement.
My problem is regarding the called_form built-in function of Oracle forms.
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call_form('schdule_task');
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call_form('schdule_task',NO_HIDE);
What can be the problem? Is it related to call_form call or something else?Here is the problem statement.
My problem is regarding the called_form built-in function of Oracle forms.
I am calling call_form within a loop.
call_form('schdule_task');
In first iteration it opens the called form and when the user clicks on exit button it comes back to the calling form and starts next iteration.But in next iteration the called form comes up and crashes immediately, causing the application to crash.
The calling form does not get a chance to become visible because by default call_form executes with 'HIDE'(hide the calling form) option.
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call_form('schdule_task',NO_HIDE);
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Globals and Open_Form with new session
How are Globals treated when calling Open_Form with the SESSION parameter? Are they session specific?
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Hello,
We're developing an interface via web services to DM5.
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Thank you
RegardsHi,
Please refer the below article and browse code.
http://code.msdn.microsoft.com/Remote-Authentication-in-b7b6f43c
Thanks,
Srikanth -
Issues with NSAPI connection before/after SP3
I'm using WinNT 4.0 sp 5, Weblogic 5.1 sp3 and Netscape 4.1 Server. (Note:
I have do not have these problems on Solaris)
I've been having a problem on an off with some jsps that I have written.
They call session beans which are served by weblogic app server 5.10. The
JSPs are located on the app server and the static pages and graphics are
located on the NS web server. I have Netscape 4.1 as the web server. I've
configured the NSAPI driver using weblogic/bin/proxy36.dll. Before adding
service pack 3, I was experiencing long delays in the retreival of the jsps
when using IE5. They seemed to work just fine with Netscape 4.7. Even
simple jsps such as...
----------------test.jsp----------
<HTML>
<BODY>
Test!
</BODY>
</HTML>
----------------test.jsp----------
... seemed to produce delays. If I stopped the browser I'd get a Dr watson.
The Event Viewer shows the following error message
Event ID: 1008
Source : Preflib
Description:
The Open Procedure for service "https4.1" in DLL
"d:\Netscape\Server4\bin\https\bin\nsctr.dll" failed.
Performance data for this service will not be available.
Status code returned is DWORD 0.
Datat: Bytes
0000: ff ff ff ff ÿÿÿÿ
I looked into the service pack and found that in service pack 2 there was a
fix for Issue 10381,
* ISSUE 10381: Fixed a problem with messed up headers to the browser from
NSAPI plug-in causing problems with IE5
which I figured could fix my problem. I installed the servcie pack 3. I
noticed that the service pack instructions left out what to do with the
files in the service pack, of course with exception to the 2 jar files. I
assummed that they were to be copied over the existing. After copying the
files the proxy stopped working. Now NS asks if I want to open or save the
file. I looked into the Netscape logs and it appears as though the server
starts up fine. If I change back to the old proxy36.dll, I get the delays
and the Dr Watsons, but the pages are loaded as html in the browser rather
than downloading. I am assumming that the NS4.1 server can't use the new
proxy36.dll.
What am I missing?
The two problem you have described:
- Long delays with IE5 (SP2)
- problem with jsp's (SP3)
has been fixed in SP4 (available now for download).
--Vinod.
Michael Caughey wrote:
> I just noticed that the service pack didn't install
> java weblogic.Admin t3://localhost:8080 VERSION
>
> returned:
> WebLogic Build: 5.1.0 04/03/2000 17:13:23 #66825
>
> not the suggested
> WebLogic Build: 5.1.0 Service Pack 3 .....
>
> This may/may not have something to do with ti.
>
> Also, I tried an older version of NES, it was 3.63, with both the old and
> new proxy36.dll. I gotthe same issues.
>
> Also, The jsps load just fine by themselves, but the issues seems to be
> when I include the in a frame.
>
> For instance....
>
> http://localhost/test1.jsp and http://localhost/test2.jsp bot work but the
> following gives my delays and no response in frame 0.
>
> <HTML>
> <FRAMESET COLS="50%,50%">
> <FRAME NORESIZE="yes" SRC="test1.jsp" name="test1">
> <FRAME NORESIZE="yes" SRC="test2.jsp" name="test2">
> </FRAMESET>
> <BODY>
> </BODY>
> </HTML>
>
> and if I use the new proxy36.dll It try to download the the two jsps.
>
> Michael Caughey <[email protected]> wrote in message
> news:[email protected]...
> > I'm using WinNT 4.0 sp 5, Weblogic 5.1 sp3 and Netscape 4.1 Server.
> (Note:
> > I have do not have these problems on Solaris)
> >
> > I've been having a problem on an off with some jsps that I have written.
> > They call session beans which are served by weblogic app server 5.10. The
> > JSPs are located on the app server and the static pages and graphics are
> > located on the NS web server. I have Netscape 4.1 as the web server.
> I've
> > configured the NSAPI driver using weblogic/bin/proxy36.dll. Before
> adding
> > service pack 3, I was experiencing long delays in the retreival of the
> jsps
> > when using IE5. They seemed to work just fine with Netscape 4.7. Even
> > simple jsps such as...
> >
> > ----------------test.jsp----------
> > <HTML>
> > <BODY>
> > Test!
> > </BODY>
> > </HTML>
> > ----------------test.jsp----------
> >
> > ... seemed to produce delays. If I stopped the browser I'd get a Dr
> watson.
> >
> > The Event Viewer shows the following error message
> > Event ID: 1008
> > Source : Preflib
> > Description:
> > The Open Procedure for service "https4.1" in DLL
> > "d:\Netscape\Server4\bin\https\bin\nsctr.dll" failed.
> > Performance data for this service will not be available.
> > Status code returned is DWORD 0.
> >
> > Datat: Bytes
> > 0000: ff ff ff ff ÿÿÿÿ
> >
> >
> >
> >
> > I looked into the service pack and found that in service pack 2 there was
> a
> > fix for Issue 10381,
> > * ISSUE 10381: Fixed a problem with messed up headers to the browser
> from
> > NSAPI plug-in causing problems with IE5
> > which I figured could fix my problem. I installed the servcie pack 3. I
> > noticed that the service pack instructions left out what to do with the
> > files in the service pack, of course with exception to the 2 jar files. I
> > assummed that they were to be copied over the existing. After copying the
> > files the proxy stopped working. Now NS asks if I want to open or save
> the
> > file. I looked into the Netscape logs and it appears as though the server
> > starts up fine. If I change back to the old proxy36.dll, I get the delays
> > and the Dr Watsons, but the pages are loaded as html in the browser rather
> > than downloading. I am assumming that the NS4.1 server can't use the new
> > proxy36.dll.
> >
> >
> > What am I missing?
> >
> >
> >
-
SQL Deadlock after deleting person object in FIM portal
Hello everybody,
I have an issue on FIM portal after deleting person object.
On FIM Portal, I have an error message: access denied.
I'm on 4.1.3496.0 version.
On event viewer, I see following deadlock:
Microsoft.ResourceManagement.WebServices.Exceptions.UnwillingToPerformException: Other ---> System.Data.SqlClient.SqlException: Reraised Error 1205, Level 13, State 51, Procedure CalculateRequestSetTranstionsMembershipConditionEvaluation, Line 2298, Message:
Transaction (Process ID 54) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
at System.Data.SqlClient.SqlDataReader.get_MetaData()
at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
at System.Data.SqlClient.SqlCommand.ExecuteReader()
at Microsoft.ResourceManagement.Data.DataAccess.DoRequestCreation(RequestType request, Guid cause, Guid requestMarker, Boolean doEvaluation, Int16 serviceId, Int16 servicePartitionId)
--- End of inner exception stack trace ---
Did you ever see that ?
Thank you.
AnthoThere are several possibilities:
1) Could be caused by
multiple workflows trying to act on the object
2) Could be a flaw in the product like happened with an older version
(4.0.3594.2) the
kb article says: Fixes
an issue with SQL Server deadlocks that might occur during periods of high concurrency of requests or approvals.
So I suggest looking at the request history -- look at the delete request and see which MPRs were applied and what workflows were spawned.
Does this happen a lot or just once in a while?
David Lundell, Get your copy of FIM Best Practices Volume 1 http://blog.ilmbestpractices.com/2010/08/book-is-here-fim-best-practices-volume.html -
Suspicious delay of HDD activity after commit
I know that after commit Oracle LGWR process writes the data
changies into the redo-log. And Oracle must return "Commited"
only after above is done. But when I do Commit, I don't see the
HDD LED blink. Only after 1-2 sec HDD LED blinks. Is it normal?
What people have?
nullTo answer the question of caching and syncing:
Linux nearly caches all and does it on a high "level", means it
is one of the reason for the good I/O-performance of linux.
In order to make sure that data is directly written to the disks
you can mount your disks with the option sync.
An example: mount -o sync /dev/sdc1 /data_1
Note, that the performance will decrease. The other possibility
is a little tool called syncer, which is a daemon that causes
linux to clear its cache every xy seconds (any value you like). I
think (because I never used) it causes some overhead but is a
good compromise to the sync-option.
Deactivating caching in the kernel... I think this is not the
best solution if you are not familiar with kernel programming.
Also think of swapping and reads on the system-disk and so on.
Dietmar
p.s: I can't remember where I've found it, so I send it to your
personal account, because I can't add any files here
StE (guest) wrote:
: Mark Malakanov (guest) wrote:
: : I know that after commit Oracle LGWR process writes the data
: : changies into the redo-log. And Oracle must return "Commited"
: : only after above is done.
: Not quite true. Information is constantly flushed from the
: in-memory redo log buffer to disc while changes are taking
place
: to the database. When a transaction is committed the
: current contents of the redo-log buffer are flushed to disc,
: followed by a marker saying "SCN was committed" is written to
: disc - the changes themselves have already been written out.
: : But when I do Commit, I don't see the
: : HDD LED blink. Only after 1-2 sec HDD LED blinks.
: : Is it normal? What people have?
: That's probably normal, but that doesn't make it a good thing.
: The Linux buffer-cache does write-behind caching, so that dirty
: buffers arn't written out to disc immediately. If there were a
: failure the write of the commit or some of the preceeding redo
: log blocks might not make it to disc.
: I think you can tune the frequency with which bdflush wakes up
: and writes to disc. Setting it to a low value if you're worried
: about consistency over performance would be a good idea.
: I don't know whether there's an open() flag to perform writes
on
: a file synchronously or not under Linux. It's possible to
sync()
: an open filehandle, I think, so perhaps Oracle does a sync on
: the active redo log when it writes out the commit.
: Anyone know anything less vague and hand-waving?
: -michael
null -
Spring framework - Error with session scoped Beans
Hello guys,
I'm trying execute my Java Application inside Netweaver Application Server, but I'm having problems with serviceBeans with scope session. Anyone have already used Spring with session scope?
Thanks,
Cleiton.After many attempt, when I declared the bean with <aop:scoped-proxy /> it works, however it could cause performance problem. I don't need refer this bean by another singleton bean, i did a wrong configuration in order to make a work a round...
When I run my application on tomcat server, the DWR starts perfectly the "session scope bean form IOC container", but in the WEBAS maybe it's running in other thread. Is it possible?
Anyone had a problem like this?
I got a detailed error with log4j,
ERROR Application [1] org.directwebremoting.impl.DefaultCreatorManager - Error loading class for creator 'SpringCreator[CounterSpringFacade]'.
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'counterSpringFacade': Scope 'session' is not active for the current thread; consider defining a scoped proxy for this bean if you intend to refer to it from a singleton; nested exception is java.lang.IllegalStateException: No thread-bound request found: Are you referring to request attributes outside of an actual web request, or processing a request outside of the originally receiving thread? If you are actually operating within a web request and still receive this message, your code is probably running outside of DispatcherServlet/DispatcherPortlet: In this case, use RequestContextListener or RequestContextFilter to expose the current request.
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:312)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:881)
at org.directwebremoting.spring.SpringCreator.getInstance(SpringCreator.java:145)
at org.directwebremoting.spring.SpringCreator.getType(SpringCreator.java:107)
Edited by: Cleiton dos Santos Garcia on Jan 7, 2009 5:02 PM -
Hi,
Is it OK to use a clone in a read-only way after commit ? In some cases, I don't have access to the original and I need to return a Value Object.
Thanks
JCGJCG,
You are fine to keep using the working copy (clone) after commit for read-only use. The only issues you may encounter are with indirect relationships that have not been instantiated.
If you wish there is API to get the original version from the UnitOfWork.
http://download-west.oracle.com/docs/cd/B10464_01/web.904/b10491/oracle/toplink/sessions/UnitOfWork.html#getOriginalVersionOfObject(java.lang.Object)
Doug -
I need to reinstall my computer, how do I deal with Premiere pro and After effects?
Hello,
As my question states I need to reinstall my computer (laptop) and I'm not quite sure on how to deal with Premiere pro and After effects.
I am thinking that I need to do some sort of backup and save my projects and footage on a sepparate drive.
If I reinstall my computer, install my creative suit production premium, and move back all of my projects and footage, won't I have to re-link every single clip?
I am currently workning on several different projects and having to re-link everything is something I don't even want to think about, that would take me days if not weeks.
Another option on my mind would be to use Creative cloud. I do have the free version but I have never used it even once before and I'm not quite sure what the purpose of the cloud is and if this is a way to use it.
I have no idea how to go about this computer reinstalation without either loosing tons of work or having to re-link every single clip used.
I am videoediting only as a hobby so I have no experience working with other people and sharing projects or the like, wich is my understanding of what the cloud is for.
Any and all help would be grealty appreciated, I know this is probably really easy but ever since i got my Suit I haven't reinstalled, upgraded och changed my computer so I am just clueless as to how to go about this.
I have Creative suit production premium, I also have the free Creative cloud.
It is only Premiere pro and After effects that I am using and am worried about.
Thank you for any help.
-Lisa Kajupank
(and oh, I just notice my name - umustbejoking - I think I just wrote that cause they wouldn't let me use anything else, saying it was already taken. So nevermind that haha.)
Message was edited by: umustbejokingIf the computer's running Mac OS X, move the cursor to the very top of the computer's screen, click on Store, and choose Authorize this Computer.
If the computer's running Windows, press the Alt and S keys and choose Authorize this Computer, or click here, follow the instructions, click on Store in the menu bar, and choose Authorize this Computer.
(84620) -
After commit current row is no longer highlighted
JDeveloper 11.1.1.20.
Scenario: a master detail page where master and detail are both ordinary ADF table ( NOT read-only).
If I place the cursor on a master row and do a click the row is highlighted.
If I do a createInsert operation (with a button) a new row is created above the previous mentioned row.
Problem:
If I do a commit after the new row is filled with data sometimes the newly made row is now longer highlighted after the commit.
The newly created row is stil active. This is seen by the fact that if I subsequently creates a new deatil row it is correctly connected to the newly created master row.
And - after the newly created detail row is created the master row is again highligted.
Any ideas?
Best regards
ErikHi,
To keep highlight the selected row do some operation in bean ,Get selected row and set that row again after commit
Check
http://jobinesh.blogspot.com/2011/01/declaratively-setting-current-row-key.html -
3 years ago I bought an IMac Desktop that I am using for a lot of things but the most important for dvd montage in Imovies and Idvd.
Now today when I opened my computer I get as usual the white screen with the Apple symbol but there were all over the screen vertical lines with green pixels and after a while the screen gets grey and I get message to restart my computer using the power button or the restart button and when I do so each time the same is happening somebody can tell me what is happening and what caused this. This computer is my work and now I have no income anymore.
On the Apple support site they are asking to enter the serial number and when I do so I get message it is wrong but it is the only one I have and I buy this computer in Cairo Egypt. I am living in Hurghada in Egypt for the moment. When I call the technical support of the shop where I buy it they are telling me that it is the hard disk or ram and that I probably lost everything on it and they are asking a big amount to repair.
Can somebody advise me on this matter. Thanks in advanceYou can find the serial number either in About this Mc in the Menu bar under the , or it should be on a sticker under the foot of the machine.
If you have the install discs, try booting from them, holding down the c key and then using Disk Utility to check the drive.
You can also boot into Safe mode
To start up into Safe Mode (to "Safe Boot"), do this:
1. Be sure the computer is shut down.
2. Press the power button.
3. Immediately after you hear the startup tone, press and hold the Shift key.
Tip: The Shift key should be held as soon as possible after the startup tone but not before.
4. Release the Shift key when you see the gray Apple and progress indicator (looks like a spinning gear).
During the startup in Mac OS X 10.2 through 10.3.9, you will see "Safe Boot" on the Mac OS X startup screen.
During the startup in Mac OS X 10.4 or later, you will see "Safe Boot" on the login window, which appears even if you normally log in automatically.
Please post back with results,
To leave Safe Mode in any version of Mac OS X, restart the computer normally, without holding any keys during startup. -
Hi,
I'm trying to setup a session variable to filter an Answer query based on the user login name. I've created the following
- A database table that contains a user name and its related filter (Entity)
- An initialization block for the session variable to issue the following sql: select Entity from table where user_name = ':USER'
- Created a target session variable called CURR_ENTITY as the target and assign a default value as 'No entity'.
- Filter my Answer query to use the session variable CURR_ENTITY
After restart of BI server and Presentation services and opening the report, CURR_ENTITY is always set to the default value. I've checked NQQuery,.log and looks like the initialization block was not returning any rows.
Any ideas on how to get around this issue? Thanks.
Regards,
GerdHi gerd,
select Entity from table where user_name = ':USER'Check if this query is returning values in the backend DB.If so it is returning then it should work fine in session variable.
After defining the target variable CURR_ENTITY and test it in the screen.That shows you is it picking all the values or a single defaulted value.
If its showing all values then re-check your block once again.
(OR)
In the target variable instead of variable define row-wise initialization (i mean check it) and change the SQL in the variable to this
select 'CURR_ENTITY',Entity from table where user_name = ':USER'
and test it so you can use it in answers .....it should work with what is required.
hope answered the question.
Cheers,
KK
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