Re: Restoring of Variable failed

Hallo Vlada

is there a special log4j configuration to see where the deadlock is 
happening. Which options should I turn on?

Regards
Roland

----- Original Message ----- 
From: "Vladimir Puskas" <[email protected]>
To: "pop.gmx.net" <[email protected]>; "Sasa Bojanic" 
<[email protected]>
Sent: Monday, June 20, 2005 2:45 PM
Subject: Re: [shark] Restoring of Variable failed


> Thanks Roland
>
> AFAICS the patch for caches fixes the concurrency problem, and now you're 
> facing another one :-(
> I couldn't reproduce your deadlock problem, with ManualTest running 
> "specrelease" for more than 30 minutes, twice. The very same test case 
> produced several ConcurrentModificationExceptions within first minutes. 
> Where's the deadlock happening: in database or in jvm?
>
> Anyways, we should move this discussion either to the mailing list or 
> please send a carbon copy to Sasa too, 'cause I won't be able to 
> participate for the next 2 weeks.
>
> regards
> -- 
> Vlada
>
> pop.gmx.net wrote:
>> Hallo Vlada,
>>
>> after installing your new stdcaches.jar my stress test works and no 
>> exception  java.util.ConcurrentModificationException
>> is thrown. But after 15 - 20 minutes runtime of tehe stress test the 
>> shark engine blocks the running workflows. It seems to bee a deadlock?
>>
>> Regards
>> Roland
>>
>> ----- Original Message ----- From: "Vladimir Puskas" 
>> <[email protected]>
>> To: <[email protected]>; "Sasa Bojanic" <[email protected]>
>> Sent: Monday, June 20, 2005 10:34 AM
>> Subject: Re: [shark] Restoring of Variable failed
>>
>>
>>> Hello Roland,
>>>
>>> we have the good news and the the bad news:
>>>
>>> bad one - we've found the cause - it is in DODS.
>>> good one - we've found the cause - it is in DODS.
>>>
>>> Can you please, try the attached file instead the one distributed with
>>> Shark 1.1. At our side we don't see the ConcurrentModificationException
>>> anymore, so if you report the same we'll update CVS.
>>> BTW stdcaches.jar goes into lib/contrib directory.
>>>
>>> Sorry for the inconvenience.
>>> -- 
>>> Vlada
>>>
>>> you wrote:
>>>
>>>> Hi Sasa,
>>>>
>>>> I have installed the runtime of Shark with the command make
>>>> distributions and than execute the setup.exe for Windows. So I think 
>>>> the
>>>> new DODS jars are used.
>>>>
>>>> Unfortunately the test with the database HSQL failed with the same
>>>> exception too.
>>>>
>>>> I also tested the standard variable model with Oracle database but it
>>>> failed with the same exception too.
>>>>
>>>> Regards
>>>> Roland
>>>>
>>>> ----- Original Message ----- From: "Sasa Bojanic" 
>>>> <[email protected]>
>>>> To: <[email protected]>
>>>> Sent: Sunday, June 19, 2005 9:38 PM
>>>> Subject: Re: [shark] Restoring of Variable failed
>>>>
>>>>
>>>>> Hi,
>>>>>
>>>>> did you included new DODS jars that come with new shark?
>>>>> This bug should be fix in DODS (also in previous CVS version).
>>>>>
>>>>> Can you also please try to use your test case on some other DB (i.e. 
>>>>> MSQL
>>>>> or PostgreSQL, or even default HSQL comming with shark), and try if it
>>>>> works without patch?
>>>>>
>>>>> Regards,
>>>>> Sasa.
>>>>>
>>>>>> Hi Sasa,
>>>>>>
>>>>>> I have testet your patch with my stress test but now an exception
>>>>>> java.util.ConcurrentModificationException is thrown:
>>>>>>
>>>>>> 2005-06-19 19:15:01,676: Rollback of Shark transaction happened.
>>>>>> java.util.ConcurrentModificationException
>>>>>>  at
>>>>>> java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:358)
>>>>>>
>>>>>>  at 
>>>>>> java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:373)
>>>>>> at
>>>>>> org.enhydra.dods.cache.QueryCacheImpl.updateDataStruct(QueryCacheImpl.java:1354)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:969)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:979)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.syncStructs(ProcessDataDO.java:2225)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.finalizeInsert(ProcessDataDO.java:2185)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.transactionNotify(StandardDBTransaction.java:429)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.commit(StandardDBTransaction.java:326)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:59)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.SharkUtilities.commitTransaction(SharkUtilities.java:692)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.WfActivityWrapper.complete(WfActivityWrapper.java:360)
>>>>>> at
>>>>>> org.enhydra.shark.corba.WfActivityCORBA.complete(WfActivityCORBA.java:131)
>>>>>>
>>>>>>  at
>>>>>> org.omg.WorkflowModel._WfActivityImplBase._invoke(_WfActivityImplBase.java:182)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.corba.ServerDelegate.dispatch(ServerDelegate.java:353)
>>>>>>
>>>>>>  at com.sun.corba.se.internal.iiop.ORB.process(ORB.java:280)
>>>>>>  at
>>>>>> com.sun.corba.se.internal.iiop.RequestProcessor.process(RequestProcessor.java:81)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.orbutil.ThreadPool$PooledThread.run(ThreadPool.java:106)
>>>>>>
>>>>>> org.enhydra.shark.api.TransactionException
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:70)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.SharkUtilities.commitTransaction(SharkUtilities.java:692)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.WfActivityWrapper.complete(WfActivityWrapper.java:360)
>>>>>> at
>>>>>> org.enhydra.shark.corba.WfActivityCORBA.complete(WfActivityCORBA.java:131)
>>>>>>
>>>>>>  at
>>>>>> org.omg.WorkflowModel._WfActivityImplBase._invoke(_WfActivityImplBase.java:182)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.corba.ServerDelegate.dispatch(ServerDelegate.java:353)
>>>>>>
>>>>>>  at com.sun.corba.se.internal.iiop.ORB.process(ORB.java:280)
>>>>>>  at
>>>>>> com.sun.corba.se.internal.iiop.RequestProcessor.process(RequestProcessor.java:81)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.orbutil.ThreadPool$PooledThread.run(ThreadPool.java:106)
>>>>>>
>>>>>> Caused by: java.util.ConcurrentModificationException
>>>>>>  at
>>>>>> java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:358)
>>>>>>
>>>>>>  at 
>>>>>> java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:373)
>>>>>> at
>>>>>> org.enhydra.dods.cache.QueryCacheImpl.updateDataStruct(QueryCacheImpl.java:1354)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:969)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:979)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.syncStructs(ProcessDataDO.java:2225)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.finalizeInsert(ProcessDataDO.java:2185)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.transactionNotify(StandardDBTransaction.java:429)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.commit(StandardDBTransaction.java:326)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:59)
>>>>>>
>>>>>>  ... 8 more
>>>>>> org.enhydra.shark.api.client.wfbase.BaseException
>>>>>>  at
>>>>>> org.enhydra.shark.SharkUtilities.commitTransaction(SharkUtilities.java:696)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.WfActivityWrapper.complete(WfActivityWrapper.java:360)
>>>>>> at
>>>>>> org.enhydra.shark.corba.WfActivityCORBA.complete(WfActivityCORBA.java:131)
>>>>>>
>>>>>>  at
>>>>>> org.omg.WorkflowModel._WfActivityImplBase._invoke(_WfActivityImplBase.java:182)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.corba.ServerDelegate.dispatch(ServerDelegate.java:353)
>>>>>>
>>>>>>  at com.sun.corba.se.internal.iiop.ORB.process(ORB.java:280)
>>>>>>  at
>>>>>> com.sun.corba.se.internal.iiop.RequestProcessor.process(RequestProcessor.java:81)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.orbutil.ThreadPool$PooledThread.run(ThreadPool.java:106)
>>>>>>
>>>>>> Caused by: org.enhydra.shark.api.TransactionException
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:70)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.SharkUtilities.commitTransaction(SharkUtilities.java:692)
>>>>>>
>>>>>>  ... 7 more
>>>>>> Caused by: java.util.ConcurrentModificationException
>>>>>>  at
>>>>>> java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:358)
>>>>>>
>>>>>>  at 
>>>>>> java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:373)
>>>>>> at
>>>>>> org.enhydra.dods.cache.QueryCacheImpl.updateDataStruct(QueryCacheImpl.java:1354)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:969)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:979)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.syncStructs(ProcessDataDO.java:2225)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.finalizeInsert(ProcessDataDO.java:2185)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.transactionNotify(StandardDBTransaction.java:429)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.commit(StandardDBTransaction.java:326)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:59)
>>>>>>
>>>>>>  ... 8 more
>>>>>> 2005-06-19 19:15:01,676: Rollback of Shark transaction happened.
>>>>>> java.util.ConcurrentModificationException
>>>>>>  at
>>>>>> java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:358)
>>>>>>
>>>>>>  at 
>>>>>> java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:373)
>>>>>> at
>>>>>> org.enhydra.dods.cache.QueryCacheImpl.updateDataStruct(QueryCacheImpl.java:1354)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:969)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:979)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.syncStructs(ProcessDataDO.java:2225)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.finalizeInsert(ProcessDataDO.java:2185)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.transactionNotify(StandardDBTransaction.java:429)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.commit(StandardDBTransaction.java:326)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:59)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.SharkUtilities.commitTransaction(SharkUtilities.java:692)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.WfActivityWrapper.complete(WfActivityWrapper.java:360)
>>>>>> at
>>>>>> org.enhydra.shark.corba.WfActivityCORBA.complete(WfActivityCORBA.java:131)
>>>>>>
>>>>>>  at
>>>>>> org.omg.WorkflowModel._WfActivityImplBase._invoke(_WfActivityImplBase.java:182)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.corba.ServerDelegate.dispatch(ServerDelegate.java:353)
>>>>>>
>>>>>>  at com.sun.corba.se.internal.iiop.ORB.process(ORB.java:280)
>>>>>>  at
>>>>>> com.sun.corba.se.internal.iiop.RequestProcessor.process(RequestProcessor.java:81)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.orbutil.ThreadPool$PooledThread.run(ThreadPool.java:106)
>>>>>>
>>>>>> org.enhydra.shark.api.TransactionException
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:70)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.SharkUtilities.commitTransaction(SharkUtilities.java:692)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.WfActivityWrapper.complete(WfActivityWrapper.java:360)
>>>>>> at
>>>>>> org.enhydra.shark.corba.WfActivityCORBA.complete(WfActivityCORBA.java:131)
>>>>>>
>>>>>>  at
>>>>>> org.omg.WorkflowModel._WfActivityImplBase._invoke(_WfActivityImplBase.java:182)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.corba.ServerDelegate.dispatch(ServerDelegate.java:353)
>>>>>>
>>>>>>  at com.sun.corba.se.internal.iiop.ORB.process(ORB.java:280)
>>>>>>  at
>>>>>> com.sun.corba.se.internal.iiop.RequestProcessor.process(RequestProcessor.java:81)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.orbutil.ThreadPool$PooledThread.run(ThreadPool.java:106)
>>>>>>
>>>>>> Caused by: java.util.ConcurrentModificationException
>>>>>>  at
>>>>>> java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:358)
>>>>>>
>>>>>>  at 
>>>>>> java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:373)
>>>>>> at
>>>>>> org.enhydra.dods.cache.QueryCacheImpl.updateDataStruct(QueryCacheImpl.java:1354)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:969)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:979)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.syncStructs(ProcessDataDO.java:2225)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.finalizeInsert(ProcessDataDO.java:2185)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.transactionNotify(StandardDBTransaction.java:429)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.commit(StandardDBTransaction.java:326)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:59)
>>>>>>
>>>>>>  ... 8 more
>>>>>> org.enhydra.shark.api.client.wfbase.BaseException
>>>>>>  at
>>>>>> org.enhydra.shark.SharkUtilities.commitTransaction(SharkUtilities.java:696)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.WfActivityWrapper.complete(WfActivityWrapper.java:360)
>>>>>> at
>>>>>> org.enhydra.shark.corba.WfActivityCORBA.complete(WfActivityCORBA.java:131)
>>>>>>
>>>>>>  at
>>>>>> org.omg.WorkflowModel._WfActivityImplBase._invoke(_WfActivityImplBase.java:182)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.corba.ServerDelegate.dispatch(ServerDelegate.java:353)
>>>>>>
>>>>>>  at com.sun.corba.se.internal.iiop.ORB.process(ORB.java:280)
>>>>>>  at
>>>>>> com.sun.corba.se.internal.iiop.RequestProcessor.process(RequestProcessor.java:81)
>>>>>>
>>>>>>  at
>>>>>> com.sun.corba.se.internal.orbutil.ThreadPool$PooledThread.run(ThreadPool.java:106)
>>>>>>
>>>>>> Caused by: org.enhydra.shark.api.TransactionException
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:70)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.SharkUtilities.commitTransaction(SharkUtilities.java:692)
>>>>>>
>>>>>>  ... 7 more
>>>>>> Caused by: java.util.ConcurrentModificationException
>>>>>>  at
>>>>>> java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:358)
>>>>>>
>>>>>>  at 
>>>>>> java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:373)
>>>>>> at
>>>>>> org.enhydra.dods.cache.QueryCacheImpl.updateDataStruct(QueryCacheImpl.java:1354)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:969)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.updateCache(ProcessDataDO.java:979)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.syncStructs(ProcessDataDO.java:2225)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.instancepersistence.data.ProcessDataDO.finalizeInsert(ProcessDataDO.java:2185)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.transactionNotify(StandardDBTransaction.java:429)
>>>>>>
>>>>>>  at
>>>>>> com.lutris.appserver.server.sql.standard.StandardDBTransaction.commit(StandardDBTransaction.java:326)
>>>>>>
>>>>>>  at
>>>>>> org.enhydra.shark.transaction.SharkDODSTransaction.commit(SharkDODSTransaction.java:59)
>>>>>>
>>>>>>  ... 8 more
>>>>>>
>>>>>> Regards
>>>>>> Roland
>>>>>>
>>>>>> ----- Original Message -----
>>>>>> From: "Sasa Bojanic" <[email protected]>
>>>>>> To: <[email protected]>
>>>>>> Sent: Sunday, June 19, 2005 6:56 PM
>>>>>> Subject: Re: [shark] Restoring of Variable failed
>>>>>>
>>>>>>
>>>>>>> sorry, I made a mistake. I meant:
>>>>>>>
>>>>>>> if (v!=null && v.length>0) {
>>>>>>> ...
>>>>>>>
>>>>>>> R.
>>>>>>> Sasa.
>>>
>>>
>

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