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Posted to dev@ode.apache.org by "Shammy Chen (JIRA)" <ji...@apache.org> on 2009/01/19 13:23:59 UTC

[jira] Created: (ODE-493) ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded

ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded
-------------------------------------------------------------------------------------------

                 Key: ODE-493
                 URL: https://issues.apache.org/jira/browse/ODE-493
             Project: ODE
          Issue Type: Bug
          Components: BPEL Runtime
    Affects Versions: 1.2
         Environment: JAVA 5.0+
            Reporter: Shammy Chen


ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded,see error log for details:

java.util.ConcurrentModificationException
	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
	at java.util.AbstractList$Itr.next(AbstractList.java:343)
	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl._removeRoutes(CorrelatorDaoImpl.java:125)
	at org.apache.ode.bpel.memdao.ProcessInstanceDaoImpl.removeRoutes(ProcessInstanceDaoImpl.java:398)
	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl.removeRoutes(CorrelatorDaoImpl.java:92)
	at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeInstance(PartnerLinkMyRoleImpl.java:215)
	at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:208)
	at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
	at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
	at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:1)
	at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:1)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
	at java.lang.Thread.run(Thread.java:619)

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[jira] Commented: (ODE-493) ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded

Posted by "Rafal Rusin (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/ODE-493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665220#action_12665220 ] 

Rafal Rusin commented on ODE-493:
---------------------------------

Can you give reproduction steps (possibly with some process examples)?

> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded
> -------------------------------------------------------------------------------------------
>
>                 Key: ODE-493
>                 URL: https://issues.apache.org/jira/browse/ODE-493
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.2
>         Environment: JAVA 5.0+
>            Reporter: Shammy Chen
>         Attachments: memdao_err.log
>
>
> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded,see error log for details:
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:343)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl._removeRoutes(CorrelatorDaoImpl.java:125)
> 	at org.apache.ode.bpel.memdao.ProcessInstanceDaoImpl.removeRoutes(ProcessInstanceDaoImpl.java:398)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl.removeRoutes(CorrelatorDaoImpl.java:92)
> 	at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeInstance(PartnerLinkMyRoleImpl.java:215)
> 	at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:208)
> 	at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
> 	at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
> 	at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:1)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:1)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> 	at java.lang.Thread.run(Thread.java:619)

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[jira] Updated: (ODE-493) ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded

Posted by "Shammy Chen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ODE-493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shammy Chen updated ODE-493:
----------------------------

    Attachment: memdao_err.log

> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded
> -------------------------------------------------------------------------------------------
>
>                 Key: ODE-493
>                 URL: https://issues.apache.org/jira/browse/ODE-493
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.2
>         Environment: JAVA 5.0+
>            Reporter: Shammy Chen
>         Attachments: memdao_err.log
>
>
> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded,see error log for details:
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:343)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl._removeRoutes(CorrelatorDaoImpl.java:125)
> 	at org.apache.ode.bpel.memdao.ProcessInstanceDaoImpl.removeRoutes(ProcessInstanceDaoImpl.java:398)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl.removeRoutes(CorrelatorDaoImpl.java:92)
> 	at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeInstance(PartnerLinkMyRoleImpl.java:215)
> 	at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:208)
> 	at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
> 	at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
> 	at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:1)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:1)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> 	at java.lang.Thread.run(Thread.java:619)

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[jira] Commented: (ODE-493) ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded

Posted by "Shammy Chen (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/ODE-493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665114#action_12665114 ] 

Shammy Chen commented on ODE-493:
---------------------------------

I think JPA implementation of DAO have the same problem,and we have encountered this before.

> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded
> -------------------------------------------------------------------------------------------
>
>                 Key: ODE-493
>                 URL: https://issues.apache.org/jira/browse/ODE-493
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.2
>         Environment: JAVA 5.0+
>            Reporter: Shammy Chen
>         Attachments: memdao_err.log
>
>
> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded,see error log for details:
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:343)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl._removeRoutes(CorrelatorDaoImpl.java:125)
> 	at org.apache.ode.bpel.memdao.ProcessInstanceDaoImpl.removeRoutes(ProcessInstanceDaoImpl.java:398)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl.removeRoutes(CorrelatorDaoImpl.java:92)
> 	at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeInstance(PartnerLinkMyRoleImpl.java:215)
> 	at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:208)
> 	at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
> 	at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
> 	at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:1)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:1)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> 	at java.lang.Thread.run(Thread.java:619)

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[jira] Updated: (ODE-493) ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded

Posted by "Tammo van Lessen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ODE-493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tammo van Lessen updated ODE-493:
---------------------------------

    Fix Version/s: 1.3.5

> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded
> -------------------------------------------------------------------------------------------
>
>                 Key: ODE-493
>                 URL: https://issues.apache.org/jira/browse/ODE-493
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.2
>         Environment: JAVA 5.0+
>            Reporter: Shammy Chen
>             Fix For: 1.3.5
>
>         Attachments: bpmdemo3-5.zip, memdao_err.log
>
>
> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded,see error log for details:
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:343)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl._removeRoutes(CorrelatorDaoImpl.java:125)
> 	at org.apache.ode.bpel.memdao.ProcessInstanceDaoImpl.removeRoutes(ProcessInstanceDaoImpl.java:398)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl.removeRoutes(CorrelatorDaoImpl.java:92)
> 	at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeInstance(PartnerLinkMyRoleImpl.java:215)
> 	at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:208)
> 	at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
> 	at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
> 	at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:1)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:1)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> 	at java.lang.Thread.run(Thread.java:619)

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[jira] Commented: (ODE-493) ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded

Posted by "Shammy Chen (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/ODE-493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665365#action_12665365 ] 

Shammy Chen commented on ODE-493:
---------------------------------

The way to reproduce this bug is:

Firstly, create a process with correlations, that is, this process can be invoked several times. 

Then , concurrently call this process at different services exported by this process.

You will see this error soon

> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded
> -------------------------------------------------------------------------------------------
>
>                 Key: ODE-493
>                 URL: https://issues.apache.org/jira/browse/ODE-493
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.2
>         Environment: JAVA 5.0+
>            Reporter: Shammy Chen
>         Attachments: bpmdemo3-5.zip, memdao_err.log
>
>
> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded,see error log for details:
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:343)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl._removeRoutes(CorrelatorDaoImpl.java:125)
> 	at org.apache.ode.bpel.memdao.ProcessInstanceDaoImpl.removeRoutes(ProcessInstanceDaoImpl.java:398)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl.removeRoutes(CorrelatorDaoImpl.java:92)
> 	at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeInstance(PartnerLinkMyRoleImpl.java:215)
> 	at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:208)
> 	at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
> 	at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
> 	at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:1)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:1)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> 	at java.lang.Thread.run(Thread.java:619)

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[jira] Updated: (ODE-493) ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded

Posted by "Shammy Chen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/ODE-493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shammy Chen updated ODE-493:
----------------------------

    Attachment: bpmdemo3-5.zip

My ODE process to interact with tempo(modified),I think it won't help much to you

> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded
> -------------------------------------------------------------------------------------------
>
>                 Key: ODE-493
>                 URL: https://issues.apache.org/jira/browse/ODE-493
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.2
>         Environment: JAVA 5.0+
>            Reporter: Shammy Chen
>         Attachments: bpmdemo3-5.zip, memdao_err.log
>
>
> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded,see error log for details:
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:343)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl._removeRoutes(CorrelatorDaoImpl.java:125)
> 	at org.apache.ode.bpel.memdao.ProcessInstanceDaoImpl.removeRoutes(ProcessInstanceDaoImpl.java:398)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl.removeRoutes(CorrelatorDaoImpl.java:92)
> 	at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeInstance(PartnerLinkMyRoleImpl.java:215)
> 	at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:208)
> 	at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
> 	at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
> 	at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:1)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:1)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> 	at java.lang.Thread.run(Thread.java:619)

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[jira] Issue Comment Edited: (ODE-493) ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded

Posted by "Shammy Chen (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/ODE-493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665365#action_12665365 ] 

shammychen edited comment on ODE-493 at 1/20/09 12:53 AM:
-----------------------------------------------------------

The way to reproduce this bug is:

Firstly, create a process with correlations, that is, this process can be invoked several times(so CorrelatorDaoImpl can take its responsibility). 

Then , concurrently call this process at different services exported by this process.

You will see this error soon

      was (Author: shammychen):
    The way to reproduce this bug is:

Firstly, create a process with correlations, that is, this process can be invoked several times. 

Then , concurrently call this process at different services exported by this process.

You will see this error soon
  
> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded
> -------------------------------------------------------------------------------------------
>
>                 Key: ODE-493
>                 URL: https://issues.apache.org/jira/browse/ODE-493
>             Project: ODE
>          Issue Type: Bug
>          Components: BPEL Runtime
>    Affects Versions: 1.2
>         Environment: JAVA 5.0+
>            Reporter: Shammy Chen
>         Attachments: bpmdemo3-5.zip, memdao_err.log
>
>
> ConcurrentModificationException occured in memdao implementation of ODE when heavily loaded,see error log for details:
> java.util.ConcurrentModificationException
> 	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> 	at java.util.AbstractList$Itr.next(AbstractList.java:343)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl._removeRoutes(CorrelatorDaoImpl.java:125)
> 	at org.apache.ode.bpel.memdao.ProcessInstanceDaoImpl.removeRoutes(ProcessInstanceDaoImpl.java:398)
> 	at org.apache.ode.bpel.memdao.CorrelatorDaoImpl.removeRoutes(CorrelatorDaoImpl.java:92)
> 	at org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.invokeInstance(PartnerLinkMyRoleImpl.java:215)
> 	at org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:208)
> 	at org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
> 	at org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
> 	at org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:1)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
> 	at org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:1)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> 	at java.lang.Thread.run(Thread.java:619)

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