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https://issues.apache.org/jira/browse/CAMEL-5900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vincent Lombart closed CAMEL-5900.
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Resolution: Cannot Reproduce
> StreamResequencer does not resequence correctly
> -----------------------------------------------
>
> Key: CAMEL-5900
> URL: https://issues.apache.org/jira/browse/CAMEL-5900
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 2.11.0
> Environment: Windows XP dual-core, Sun JDK 1.6.x
> Ubuntu Linux quad-core, openjdk 6b24-1.11.5-0ubuntu1~12.04.1
> Ubuntu Linux quad-core, openjdk 7u9-2.3.3-0ubuntu1~12.04.1
> Camel 2.10 release version
> Camel 2.11 snapshot code, svn checkout on 2012-12-18.
> Reporter: Vincent Lombart
> Fix For: 2.11.0
>
>
> On some routes we noticed that the StreamResequencer was not resequencing
> correctly. By playing with the Camel unit test
> (org.apache.camel.processor.StreamResequencerTest) I was able to reproduce
> the problem.
> Test setup:
> 1. In the createRouteBuilder() method change the capacity and timeout to
> avoid false problems. I used:
> from("direct:start").resequence(header("seqnum")).stream().capacity(10000).timeout(20000L).to("mock:result");
> 2. In the testMultithreaded() method change numMessages to a high number (I
> used 9000).
> 3. Run the unit test several times until it fails. It does not fail
> consistently which probably indicates a race condition / wrong
> synchronization. You might have to adapt the numbers above to have it fail on
> other configurations.
> The testSendMessagesInWrongOrderButReceiveThemInCorrectOrder() often fails
> with
> java.lang.AssertionError: mock://result Received message count. Expected: <4>
> but was: <0>
> at
> org.apache.camel.component.mock.MockEndpoint.fail(MockEndpoint.java:1318)
> at
> org.apache.camel.component.mock.MockEndpoint.assertEquals(MockEndpoint.java:1300)
> at
> org.apache.camel.component.mock.MockEndpoint.doAssertIsSatisfied(MockEndpoint.java:372)
> at
> org.apache.camel.component.mock.MockEndpoint.assertIsSatisfied(MockEndpoint.java:351)
> at
> org.apache.camel.component.mock.MockEndpoint.assertIsSatisfied(MockEndpoint.java:339)
> at
> org.apache.camel.processor.StreamResequencerTest.testSendMessagesInWrongOrderButReceiveThemInCorrectOrder(StreamResequencerTest.java:56)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at junit.framework.TestCase.runTest(TestCase.java:168)
> at junit.framework.TestCase.runBare(TestCase.java:134)
> at org.apache.camel.TestSupport.runBare(TestSupport.java:58)
> at junit.framework.TestResult$1.protect(TestResult.java:110)
> at junit.framework.TestResult.runProtected(TestResult.java:128)
> at junit.framework.TestResult.run(TestResult.java:113)
> at junit.framework.TestCase.run(TestCase.java:124)
> at junit.framework.TestSuite.runTest(TestSuite.java:243)
> at junit.framework.TestSuite.run(TestSuite.java:238)
> at
> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
> I also often get the testMultithreaded() that fails with:
> Exception in thread "pool-2-thread-2"
> org.apache.camel.CamelExecutionException: Exception occurred during execution
> on the exchange: Exchange[Message: msg5181]
> at
> org.apache.camel.util.ObjectHelper.wrapCamelExecutionException(ObjectHelper.java:1287)
> at
> org.apache.camel.util.ExchangeHelper.extractResultBody(ExchangeHelper.java:618)
> at
> org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:454)
> at
> org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:450)
> at
> org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeader(DefaultProducerTemplate.java:152)
> at
> org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeader(DefaultProducerTemplate.java:146)
> at
> org.apache.camel.processor.StreamResequencerTest$Sender.run(StreamResequencerTest.java:147)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: org.apache.camel.CamelExchangeException: No consumers available on
> endpoint: Endpoint[direct://start]. Exchange[Message: msg5181]
> at
> org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:56)
> at
> org.apache.camel.processor.UnitOfWorkProcessor.processAsync(UnitOfWorkProcessor.java:150)
> at
> org.apache.camel.processor.UnitOfWorkProcessor.process(UnitOfWorkProcessor.java:117)
> at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:99)
> at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:86)
> at
> org.apache.camel.processor.UnitOfWorkProducer.process(UnitOfWorkProducer.java:63)
> at
> org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:366)
> at
> org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:1)
> at
> org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:233)
> at
> org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:337)
> at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:175)
> at
> org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:111)
> at
> org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeader(DefaultProducerTemplate.java:150)
> ... 5 more
> Exception in thread "pool-2-thread-1"
> org.apache.camel.CamelExecutionException: Exception occurred during execution
> on the exchange: Exchange[Message: msg5184]
> at
> org.apache.camel.util.ObjectHelper.wrapCamelExecutionException(ObjectHelper.java:1287)
> at
> org.apache.camel.util.ExchangeHelper.extractResultBody(ExchangeHelper.java:618)
> at
> org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:454)
> at
> org.apache.camel.impl.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:450)
> at
> org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeader(DefaultProducerTemplate.java:152)
> at
> org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeader(DefaultProducerTemplate.java:146)
> at
> org.apache.camel.processor.StreamResequencerTest$Sender.run(StreamResequencerTest.java:147)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: org.apache.camel.CamelExchangeException: No consumers available on
> endpoint: Endpoint[direct://start]. Exchange[Message: msg5184]
> at
> org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:56)
> at
> org.apache.camel.processor.UnitOfWorkProcessor.processAsync(UnitOfWorkProcessor.java:150)
> at
> org.apache.camel.processor.UnitOfWorkProcessor.process(UnitOfWorkProcessor.java:117)
> at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:99)
> at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:86)
> at
> org.apache.camel.processor.UnitOfWorkProducer.process(UnitOfWorkProducer.java:63)
> at
> org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:366)
> at
> org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:1)
> at
> org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:233)
> at
> org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:337)
> at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:175)
> at
> org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:111)
> at
> org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeader(DefaultProducerTemplate.java:150)
> ... 5 more
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