Too many bean instances
Hi
We've been struggling with this issue for a while and were wondering
if anyone has had similar exp's. reading this group and other weblogic
ones I see that entity bean instance counts have been(sic) causing
problems however we are having similar problems with stateless session
beans.
Here is our pool tag
<pool>
<max-beans-in-free-pool>2</max-beans-in-free-pool>
<initial-beans-in-free-pool>1</initial-beans-in-free-pool>
</pool>
Now, when the server starts JProbe is reporting anything up to 30
instances of EJB implementation Objects on the heap when we expect to
see at most 2.
This situation arises when the profiler invokes weblogic with no heap
switches.
if we use -ms64m -mx64m then we get even more instances on the heap.
If we set the switches to -ms128m -mx256m then the counts are up in
the hundreds and JProbe/weblogic takes as long as 30 minutes to start
up.
We are running the software on Win2000 with an 800Mhz intel processor
running in 512 MB RAM.
We have tried to get this working on Solaris8 but the server fell over
after 2.5 hours having consumed 600 MB of virtual memory.
Has any one suffered the same problem.
Also are we alone in experiencing these huge delays when starting the
server via the profiler.
Oh yes, if we start the server 'standalone' it comes up in about 1
minute.
Any help greatly appreciated
Cheers
Duncan L strang
Did you take a thread dump to see what the server was doing? I would start
there ... hopefully it is a bug in your code (those are easy to get a fix
for ;-)
Peace,
Cameron Purdy
Tangosol Inc.
Tangosol Coherence: Clustered Coherent Cache for J2EE
Information at http://www.tangosol.com/
"Duncan L" <[email protected]> wrote in message
news:[email protected]..
Hi
We've been struggling with this issue for a while and were wondering
if anyone has had similar exp's. reading this group and other weblogic
ones I see that entity bean instance counts have been(sic) causing
problems however we are having similar problems with stateless session
beans.
Here is our pool tag
<pool>
<max-beans-in-free-pool>2</max-beans-in-free-pool>
<initial-beans-in-free-pool>1</initial-beans-in-free-pool>
</pool>
Now, when the server starts JProbe is reporting anything up to 30
instances of EJB implementation Objects on the heap when we expect to
see at most 2.
This situation arises when the profiler invokes weblogic with no heap
switches.
if we use -ms64m -mx64m then we get even more instances on the heap.
If we set the switches to -ms128m -mx256m then the counts are up in
the hundreds and JProbe/weblogic takes as long as 30 minutes to start
up.
We are running the software on Win2000 with an 800Mhz intel processor
running in 512 MB RAM.
We have tried to get this working on Solaris8 but the server fell over
after 2.5 hours having consumed 600 MB of virtual memory.
Has any one suffered the same problem.
Also are we alone in experiencing these huge delays when starting the
server via the profiler.
Oh yes, if we start the server 'standalone' it comes up in about 1
minute.
Any help greatly appreciated
Cheers
Duncan L strang
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DrawLine(...) method generates too many in[] instances
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Are you talking about drawing a grid?
If so, 300000 sounds / few seconds sounds like there
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Suppose your screen is 1000x1000 and you are drawing
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200 lines and 4 ints per call is 800. Assume 100000 /
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i have a BPEL process which consumes JMS message from ESB_monitor topic. so when there is an error or any change in the ESB, there are more number of BPEL instances being created for this BPEL process.
how can i reduce these many instances. has anyone encountered it and found a solution. please help.
Regards,
TerryHi Pavan,
Thanks for the quick reply.
what i'm doing at present is, i want the ESB instances to be present in the BPEL console using ESB APIs. for that i'm getting the flowid and other inputs from this topic.
my scenario is "i have created a ESB with DB adapter which stores a single character. when the value exceeds the limit it shows an error with retryable option since async routing is used." i'm trying to get this retryable instance to the BPEL console using ESB APIs and submit it from the BPEL console. ESB_ERROR topic is giving out only the payload.
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[database design] the "too many" number of users of one instance!!
Good morning everyone!!
I have a question about the number of users of one db
instance, "possible problems" caused by too many users,
and "pros and cons" of this case.
Now, the company I work for is considering centralizing
150 db servers of 150 sites. 150 chained-stores have
their own db instance.
Here is the structure of db instance after the
centralization.
1. Centralized instance has each user per site(150
sites), for example, site001, site002, …site00n, …
site150
2. Each user has its own 250 tables, thus the db
instance become to have 150 users and 150*250 tables.
3. Each user has almost the same table schema, not
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4. the version of centralized db instance is "oracle9i".
Theoretically, it seems like there is no problem, but I
have not experienced the db instance like this, which
has "too many" users of 150 users.
In terms of every aspect such as "performance/tuning",
"system management", or "something else", I would like
to hear what could be "the pros and cons" of this
structure.
Assuming that there are possible critical problems caused
by too many users, what could be the alternative choice?
I will be waiting to hear your experience. Every response
will be appreciated, even if it is not about what I asked.
Thanks for your interest in advance.
Have a nice day.
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http://asktom.oracle.com/pls/ask/f?p=4950:8:4685256847630125933::NO::F4950_P8_DISPLAYID,F4950_P8_CRITERIA:31263903816550
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Hi All,
Need help from you all......I have run into lot of session beans... This is because I am developing an application where I extensively uses ValuechangeEvents.
In my application owing to ValueChangeEvents, a page normally gets refreshed more than one time and i need to get the values before the page refresh. So my backing beans are session scoped.
Following thread also talks about the same thing:
http://forum.java.sun.com/thread.jspa?threadID=705668&messageID=4364186
I get very similar NoSuchElementException as described in the link above .
Too many session beans per user will surely cause performance issues. Is this true?
A combination of session and request bean sounds good but it is not that straightforward. I cant keep on storing everything in the session bean common to all of my pages.
Please help and suggest some solution. Can I invalidate a session bean after the user moves to another page?
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javax.faces.component.UISelectOne.matchValue(UISelectOne.java:141)
javax.faces.component.UISelectOne.validateValue(UISelectOne.java:114)
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javax.faces.component.UIInput.executeValidate(UIInput.java:838)
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javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:872)
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Creat too many instance when writing an oracle database
Hi
I want to write Oracle database with database toolkits;
but..i found there are too many instance or called session（exceed the upper limit) created when the program running . that makes the Orace server stop responding
Is there anything i need to modify？
Attachments:
Oracle DB.vi 36 KBFrankly I have never seen this problem, but then I make a point of never using the database connectivity toolkit. Assuming a Windows platform, Windows implements something called connection pooling so when you "close" a connection the OS inserts it into a pool so If you ask for another connection it doesn't actually open a new one it just gives you back a reference to one of the ones you "closed" before.
What OS are you running on?
What version of Oracle?
Is the instance of Oracle local or on another computer?
How are you communicating with Oracle (odbc, oledb, etc)?
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FindByPK creates too many instances
Hi all,
When using JBoss (I don't know other servers behavior) the findByPrimaryKey method creates a "home instance".
I think that JBoss need a "home instance" for finder methods and it could create only one to do that, but, in fact, it creates a new instance for each call and doesn't reuse it.
For example:
Integer pk = new Integer(1);
First findByPrimaryKey(pk): 2 instances created (Home instance and Bean instance)
Secound findByPrimaryKey(pk): 1 instance created (Home instance)
Third findByPrimaryKey(pk): 1 instance created (Home instance)
The ejbLoad method is called only on the first call (it's my configuration).
Any idea?
Thank you,
Denis.Hi Denis,
Check your deployment descriptor - maybe you've
mistyped the remote interface for the home interface.
If I'm not mistaken, finder methods should return
remote, not home interfaces.
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As such requests are stateless, one would expect the container to direct several of them (at least when they are serial and not in parallel) to only one instance of HomeImpl.
But it's a container decision. The container is free to instantiate a pool of HomeImpl, or one HomeImpl for each request,...
As far as EntityImpl instances go, it's not surprising that only one instance is created and that ejbLoad() is called only once, as long as the instance created first is still alive and active.
Not surprising but not obvious either : the container would be free to create several instances representing the same entity, provided it ensures transactionality (that seems one way of ensuring isolation of concurrent container-managed transactions on the same entity).
So in general one shouldn't rely on the instantiation of the Java object representing the implementation of a Home or a Remote as it may vary per container.
Now I think Denis' concern may be : does such an approach of creating a HomeImpl instance each time scale? -
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Here are the things that will/would motivate me to update the OS:
* incompatibility with MS-Office (I'm not a MS-Office fan but I do need to use it)
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Too many objects match the primary key oracle.jbo.Key
Hi OAF Gurus,
Currently we are implementing R12 Upgrade , for this we have deployed all the custom OAF Application related files on to the the respective JAVA_TOP folder.
We have a custom municipal postal application which tracks the Postal Details.
The page runs perfectly fine without any error in 11i instance, but the same is erroring out In R12.
In R12 it shows an error as Too many objects match the primary key oracle.jbo.Key[112010 2014-10-01]
here 112010 is nothing but the postal code id and 2014-10-01 is the Effective Start Date
We have a custom table as xxad_postal_codes_f (Date Track table)which contains the postal_code_id and effective_start_date (primary key is combination of postal_code_id and effective_start_date ).
The Table already contains a row for postal_code_id = 112010 and Effective_Start_date = Sysdate.
Now we want to update the entry for the same postal code with the Id being same as 112010 and Effective_Start_date as 2014-10-01 through custom PostCodeChangePG
at the time of save we are getting an error as Too many objects match the primary key oracle.jbo.Key[112010 2014-10-01]
The table doesn't contain any of the data mentioned ([112010 2014-10-01]) at the time of insertion, hence there should not be any duplication of primary key but still we are getting the error.
Please let us know how can we handle this..?
Below is the code which is getting called on Click of Save button of PostCodeChangePG
if (pageContext.getParameter("Apply") != null)
PCodeCoWorkerBase coWorker = getCoWorker(pageContext, webBean);
coWorker.processApply();
Code in PCodeCoWorkerBase
public void processApply()
String postalCodeId = UIHelper.getRequiredParameter(pageContext, "postalCodeId");
Date startDate = UIHelper.getRequiredDateParameter(pageContext , "EffectiveStartDate");
Serializable[] postalCodeData = (Serializable[]) applicationModule.invokeMethod( "insertPostalCodeMajorChange", params, paramTypes );
finalizeTransactionAndRedirect( postalCodeData );
Code in Application Module
public Serializable[] insertPostalCodeMajorChange ( String postalCodeId, Date date )
PCodeAmWorker amWorker = new PCodeAmWorker(this);
return amWorker.insertMajorChange( postalCodeId, DateHelper.convertClientToServerDate( getOADBTransaction(), date )
Code in PCodeAmWorker
public Serializable[] insertMajorChange ( String postalCodeId, Date date )
// Get the view objects we need from the application module
OAViewObject viewObject = (OAViewObject) applicationModule.getPCodesVO();
PCodesVORowImpl currentRow = (PCodesVORowImpl) viewObject.getCurrentRow();
currentRow.validate();
currentRow.setEffectiveStartDate(date);
currentRow.setComment1(currentRow.getNewComment());
// Create a new row based on the current row
PCodesVORowImpl newRow = (PCodesVORowImpl) viewObject.createAndInitRow(currentRow); //This is failing out and gives the error
// Get the new effective start date as entered by the user
Date effectiveStartDate = currentRow.getEffectiveStartDate();
// Calculate the previous period's effective end date
Date previousEffectiveEndDate = DateHelper.addDays(effectiveStartDate, -1);
// Refresh the current row (the one changed by the UI) with the data it had at the beginning of the transaction
currentRow.refresh(Row.REFRESH_UNDO_CHANGES);
// The current row will now represent data for the the previous period set the effective end date for the previous period
currentRow.setEffectiveEndDate(previousEffectiveEndDate);
// Insert the newly created row that now represents the new period
viewObject.insertRow(newRow);
applicationModule.apply();
return generateResult(newRow);
PCodesVO() is based on PostalCodeEO
below is the code from PostalCodeEOImpl
public void create(AttributeList attributeList)
// NOTE: This call will set attribute values if the entity object is created with a call to vo.createAndInitRow(..)
super.create(attributeList);
if (getPostalCodeId() == null)
setPostalCodeId(getOADBTransaction().getSequenceValue("XXAD_POSTAL_CODES_S"));
if (getEffectiveStartDate() == null)
setEffectiveStartDate(getOADBTransaction().getCurrentDBDate());
After diagnosing the issue we found that the error is on the code of AMworker file while creating a new row PCodesVORowImpl newRow = (PCodesVORowImpl) viewObject.createAndInitRow(currentRow);
we tried so many things such as clearing entity cache, VO cache, validating for duplicate primary key but still not able to resolved this.
Please advice how to insert a new row on the PCodesVORowImpl without any exception.
Thanks,
PallaviHi ,
One question here , if you are udating a existing record then why you are trying to create a new row
PCodesVORowImpl newRow = (PCodesVORowImpl) viewObject.createAndInitRow(currentRow);
Thanks
Pratap -
I am having a situation with SSRS 2012 (SP-integrated) report rendered on SP 2013 PerformancePoint Dashboard using linked PerformancePoint (PP) filters.
The report works fine as long as too many PP filter items are not selected at the same time. When gradually selecting more items from the filter, the report updates itself until more than a sepecific numer of filter items are selected - the report simply
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An exception occurred while rendering a Web control. The following diagnostic information might help to determine the cause of this problem: System.UriFormatException: Invalid URI: The hostname could not be parsed.
at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind)
at System.UriBuilder..ctor(String uri)
at Microsoft.PerformancePoint.Scorecards.ServerRendering.ReportViewControl.ReportUrl(SqlReportViewData sqlReportViewData)
at Microsoft.PerformancePoint.Scorecards.ServerRendering.ReportViewControl.RenderSqlReport(TextWriter writer, ReportView sqlReportView)
at Microsoft.PerformancePoint.Scorecards.ServerRendering.ReportViewControl.RenderReportViewControl(HtmlTextWriter writer, ReportView rv) PerformancePoint Services error code 20700.
I already know that the cause of the issue is in the length of the query (perhapse RDL or MDX) that the browser is supposed to pass on to the instance of SSAS.
Some people had suggested a workaround that was suitable for older versions or non-integrated SSRS (see here: http://social.msdn.microsoft.com/Forums/sqlserver/en-US/cb6ede72-6ed1-4379-9d3c-847c11b75b32/report-manager-operation-cannot-run-due-to-current-state-of-the-object).
Knowing this, have already done the changes suggested (adding the lines suggested to SP's web.config for Reporting and the web.config of the site on which report is rendred) at no avail, just to make sure.
I have rednered the same report on the same dashboard using SSRS filters and there is no problem; it just works fine. This has to be a bug in PP that is causing this.
Has anyone had the same problem with SSRS 2012 (SP-integrated) report rendered on SP 2013 PP dashboard using PP filter? Any fixes or workarounds?
thnx!Hello everybody.
I confirm the issue in Service Pack 1 Release 2.
Poor workaround is to remove the repeated infromation from the member keys (in SSAS they can be really long).
The issue seems to be specific to SSRS: Excel Services works well with the same filter.
Sergey Vdovin -
STARTING DATABASE : PROBLEM OF Linux Error: 23: Too many open files in syst
Hi everybody,
I am running an RMAN script and get this error,
9> @/u01/app/oracle/admin/devpose/backup/configuration.rcv
RMAN> ###################################################################
2> # Configuration file used to set Rman policies.
3> #
4> ###################################################################
5>
6> CONFIGURE DEFAULT DEVICE TYPE TO DISK;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of configure command at 08/26/2009 20:03:30
RMAN-06403: could not obtain a fully authorized session
ORA-01034: ORACLE not available
RMAN> CONFIGURE RETENTION POLICY TO REDUNDANCY 1;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of configure command at 08/26/2009 20:03:30
RMAN-06403: could not obtain a fully authorized session
ORA-01034: ORACLE not available
RMAN> #CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;
2> CONFIGURE DEVICE TYPE DISK PARALLELISM 2;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of configure command at 08/26/2009 20:03:30
RMAN-06403: could not obtain a fully authorized session
ORA-01034: ORACLE not available
RMAN>
RMAN> CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT '/u01/app/oracle/backup/db/ora_df%t_s%s_s%p';
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of configure command at 08/26/2009 20:03:30
RMAN-06403: could not obtain a fully authorized session
ORA-01034: ORACLE not available
But this problem is understandable, as the database is not running. The main problem why database is not running, I have found the reason but do not understand how to solve the problem.
Since, the database was not running, I tried to startup the database, I then came across the following which is my problem (Why so many files are open? Linux OS error says too many files open. See below,
SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 419430400 bytes
Fixed Size 779516 bytes
Variable Size 258743044 bytes
Database Buffers 159383552 bytes
Redo Buffers 524288 bytes
Database mounted.
ORA-00313: open failed for members of log group 2 of thread 1
ORA-00312: online log 2 thread 1: '/u01/app/oracle/oradata/devpose/redo02.log'
ORA-27041: unable to open file
Linux Error: 23: Too many open files in system
Can anybody has run into such problem and guide me to a solution, please?
ThanksHi,
yes, this DB was functioning o.k. this configuration script was part of RMAN daily backup.
Last night the backup failed. So, when I opened "Failed job" in the EM, I saw this type of messages.
That was the starting point. Gradually, I tried to narrow down on to the actual problem and found the findings as I have posted.
One way of sovling problem, I thought that, all these processes I would kill and then try to open the database, it might startup. However, that wouldnot lead me in ensuring this won't occur again.
That's why I am trying to understand why it should open, so many processes (why spawn so many .flb files?) Any thoughts you have around this?
I will try to restart the OS as the last resort.
Thanks for your help and suggestions.
Regards, -
How can i fix imessage when my friends send me too many messages and it wont load
My friends sent me 92 messages on the same group message and iMessage won't load because there are too many messages. Is there any way I can fix it because I tried resetting all settings and it didn't work.
What version of iPhoto? Assuming 09 or later...
Option 1
Back Up and try rebuild the library: hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Choose to Repair Database. If that doesn't help, then try again, this time using Rebuild Database.
If that fails:
Option 2
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Because this process creates an entirely new library and leaves your old one untouched, it is non-destructive, and if you're not happy with the results you can simply return to your old one.
Regards
TD -
My daughter's ipod touch is locked due to too many incorrect password attempts (thanks to her little brother). It is displaying the red bar that states ipod is disabled connect to itunes. Problem is we don't have the computer that the ipod was originally synced with and she doesn't want to reset the ipod. In this instance we know the password.. so is there anyway to get the ipod to ask us one more time to enter the password? I'm not sure how many incorrect attempts were made, but it doesn't state anything about try again in so many minutes.. help, please!
No. Start with the last paragraph of:
Disabled
Place the iOS device in Recovery Mode and then connect to your computer and restore via iTunes. The iPod will be erased.
iOS: Forgot passcode or device disabled
If recovery mode does not work try DFU mode.
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
For how to restore:
iTunes: Restoring iOS software
To restore from backup see:
iOS: Back up and restore your iOS device with iCloud or iTunes
If you restore from iCloud backup the apps will be automatically downloaded. If you restore from iTunes backup the apps and music have to be in the iTunes library since synced media like apps and music are not included in the backup of the iOS device that iTunes makes.
You can redownload most iTunes purchases by:
Downloading past purchases from the App Store, iBookstore, and iTunes Store
If problem what happens or does not happen and when in the instructions? When you successfully get the iPod in recovery mode and connect to computer iTunes should say it found an iPod in recovery mode.
If you previously synced to the computer then you may be able to recover use of the iPod without erasing the iPod by following the instructions here:
Disabled Recovery-must use syncing computer. -
Just upgraded and iPhoto said it has to upgrade library but keeps freezing. Have tried it too many times now and I need those photos ASAP HELP!!
Option 1
Back Up and try rebuild the library: hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Choose to Rebuild iPhoto Library Database from automatic backup.
If that fails:
Option 2
Download iPhoto Library Manager and use its rebuild function. This will create a new library based on data in the albumdata.xml file. Not everything will be brought over - no slideshows, books or calendars, for instance - but it should get all your albums and keywords back.
Because this process creates an entirely new library and leaves your old one untouched, it is non-destructive, and if you're not happy with the results you can simply return to your old one. .
Regards
TD -
Too many simultaneous persistent searches
The Access Manager (2005Q1) in our deployment talks to load-balanced Directory Server instances and as recommended by Sun we have set the value of the property com.sun.am.event.connection.idle.timeout to a value lower than load-balancer timeout.
However on enabling this property, we see the following error messages in the debug log file amEventService:
WARNING: EventService.processResponse() - Received a NULL Response. Attempting to re-start persistent searches
EventService.processResponse() - received DS message => [LDAPMessage] 85687 SearchResult {resultCode=51, errorMessage=too many simultaneous persistent searches}
netscape.ldap.LDAPException: Error result (51); too many simultaneous persistent searches; LDAP server is busy
Any idea - why this occurs?
Do we need to modify the value associated with the attribute nsslapd-maxpsearch ?
How many Persistent searches does Access Manager fire on the Directory Server ? Can this be controlled ?
TIA,
ChetanI am having an issue where the Access Manager does not seem to fire any persistent searches at all to the DS.
We have disabled properties which try to disable certain types of persistent searches and hence in reality there should be lots of persistent searches being fired to the DS.
Also, there does seem to be some communication between the DS and the Access Manager instance. ....as the AM instance we work on talks only to a particular DS instance. But they do not seem to find any persistent searches being fired from our side at all....the only time they did see some persistent searches was when I did a persistent search from the command line.
What could be the issue??
thanks
anand
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