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From Christian Müller (JIRA) <j...@apache.org>
Subject [jira] [Created] (CAMEL-6857) camel-jpa is throwing an exception in high concurrency
Date Fri, 11 Oct 2013 12:31:42 GMT
Christian Müller created CAMEL-6857:
---------------------------------------

             Summary: camel-jpa is throwing an exception in high concurrency
                 Key: CAMEL-6857
                 URL: https://issues.apache.org/jira/browse/CAMEL-6857
             Project: Camel
          Issue Type: Bug
          Components: camel-jpa
    Affects Versions: 2.12.1, 2.11.2
            Reporter: Christian Müller
             Fix For: 2.11.3, 2.12.2, 2.13.0


Today, it looks much better [1]. We are trying to fix the unit tests which are failing from
time to time on slower boxes. But this isn't so easy for all of them...

I had a look at org.apache.camel.processor.jpa.JpaProducerConcurrentTest.testConcurrentProducers.
A few times I get the following exception which results in missing exchanges in the mock:result
endpoint:
{noformat}
2013-10-11 14:01:10,623 [pool-2-thread-2] ERROR DefaultErrorHandler            - Failed delivery
for (MessageId: ID-christians-macbook-pro-fritz-box-54975-1381492869188-0-4 on ExchangeId:
ID-christians-macbook-pro-fritz-box-54975-1381492869188-0-9). Exhausted after delivery attempt:
1 caught: org.springframework.dao.InvalidDataAccessApiUsageException: This operation cannot
be performed while a Transaction is active.; nested exception is <openjpa-2.2.2-r422266:1468616
nonfatal user error> org.apache.openjpa.persistence.InvalidStateException: This operation
cannot be performed while a Transaction is active.

Message History
---------------------------------------------------------------------------------------------------------------------------------------
RouteId              ProcessorId          Processor                                      
                                 Elapsed (ms)
[route1            ] [route1            ] [direct://start                                
                               ] [        68]
[route1            ] [to1               ] [jpa://org.apache.camel.examples.SendEmail     
                               ] [        67]

Exchange
---------------------------------------------------------------------------------------------------------------------------------------
Exchange[
    Id                  ID-christians-macbook-pro-fritz-box-54975-1381492869188-0-9
    ExchangePattern     InOnly
    Headers             {breadcrumbId=ID-christians-macbook-pro-fritz-box-54975-1381492869188-0-4,
CamelEntityManager=org.apache.openjpa.persistence.EntityManagerImpl@6e453dd5, CamelRedelivered=false,
CamelRedeliveryCounter=0}
    BodyType            org.apache.camel.examples.SendEmail
    Body                SendEmail[id: 102 address: null]
]

Stacktrace
---------------------------------------------------------------------------------------------------------------------------------------
org.springframework.dao.InvalidDataAccessApiUsageException: This operation cannot be performed
while a Transaction is active.; nested exception is <openjpa-2.2.2-r422266:1468616 nonfatal
user error> org.apache.openjpa.persistence.InvalidStateException: This operation cannot
be performed while a Transaction is active.
    at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:293)
    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerSynchronization.convertException(ExtendedEntityManagerCreator.java:501)
    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerSynchronization.afterCommit(ExtendedEntityManagerCreator.java:482)
    at org.springframework.transaction.support.TransactionSynchronizationUtils.invokeAfterCommit(TransactionSynchronizationUtils.java:133)
    at org.springframework.transaction.support.TransactionSynchronizationUtils.triggerAfterCommit(TransactionSynchronizationUtils.java:121)
    at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerAfterCommit(AbstractPlatformTransactionManager.java:951)
    at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:797)
    at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:724)
    at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:148)
    at org.apache.camel.component.jpa.JpaProducer.process(JpaProducer.java:53)
    at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)
    at org.apache.camel.processor.SendProcessor$2.doInAsyncProducer(SendProcessor.java:132)
    at org.apache.camel.impl.ProducerCache.doInAsyncProducer(ProducerCache.java:307)
    at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:127)
    at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)
    at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:118)
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:80)
    at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)
    at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:56)
    at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)
    at org.apache.camel.processor.UnitOfWorkProducer.process(UnitOfWorkProducer.java:73)
    at org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:378)
    at org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:1)
    at org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:242)
    at org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:346)
    at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:184)
    at org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:124)
    at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:137)
    at org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:144)
    at org.apache.camel.processor.jpa.JpaProducerConcurrentTest$1.call(JpaProducerConcurrentTest.java:58)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
    at java.lang.Thread.run(Thread.java:680)
Caused by: <openjpa-2.2.2-r422266:1468616 nonfatal user error> org.apache.openjpa.persistence.InvalidStateException:
This operation cannot be performed while a Transaction is active.
    at org.apache.openjpa.kernel.BrokerImpl.begin(BrokerImpl.java:1369)
    at org.apache.openjpa.kernel.DelegatingBroker.begin(DelegatingBroker.java:925)
    at org.apache.openjpa.persistence.EntityManagerImpl.begin(EntityManagerImpl.java:565)
    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.enlistInCurrentTransaction(ExtendedEntityManagerCreator.java:422)
    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.doJoinTransaction(ExtendedEntityManagerCreator.java:399)
    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:351)
    at com.sun.proxy.$Proxy18.joinTransaction(Unknown Source)
    at org.apache.camel.component.jpa.JpaProducer$1.doInTransaction(JpaProducer.java:55)
    at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:131)
    ... 27 more
{noformat}
which is throwing from the line 55 in org.apache.camel.component.jpa.JpaProducer
entityManager.joinTransaction();

I think this is a concurrency issue we have to investigate (not sure whether the issue is
in Camel, Spring, OpenJPA, ...).



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