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https://issues.apache.org/jira/browse/CXF-1569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595449#action_12595449
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Benson Margulies commented on CXF-1569:
---------------------------------------
I've committed a fix to the trunk. Can you try against a 2.1.x snapshot when
one is made?
> java.util.ConcurrentModificationException on client with JAXBFrontend
> ---------------------------------------------------------------------
>
> Key: CXF-1569
> URL: https://issues.apache.org/jira/browse/CXF-1569
> Project: CXF
> Issue Type: Bug
> Components: JAXB Databinding
> Affects Versions: 2.0.6
> Reporter: Marc Giger
> Assignee: Benson Margulies
>
> I have a testcase where I do fire 100 ws calls in parallel. The test ends
> with following stacktrace on the client side:
> Every client is a new instance and not reused!
> That's the first time I got this exception, so it seems very difficult to
> reproduce.
> -------------------------------------------------------------------------------
> Test set: TestSuite
> -------------------------------------------------------------------------------
> Tests run: 100, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 23.645 sec
> <<< FAILURE!
> test_ParallelPerf(ch.itserve.lohnstandard.refapps2.ws20051002.test.PerformanceTest)
> Time elapsed: 5.059 sec <<< FAILURE!
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
> at java.util.HashMap$KeyIterator.next(HashMap.java:828)
> at
> org.apache.cxf.common.util.WeakIdentityHashMap.keySet(WeakIdentityHashMap.java:94)
> at
> org.apache.cxf.common.util.CacheMap.updateMainDataMap(CacheMap.java:55)
> at org.apache.cxf.common.util.CacheMap.containsKey(CacheMap.java:64)
> at
> org.apache.cxf.jaxb.JAXBDataBinding.createJAXBContext(JAXBDataBinding.java:509)
> at
> org.apache.cxf.jaxb.JAXBDataBinding.initialize(JAXBDataBinding.java:268)
> at
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromWSDL(ReflectionServiceFactoryBean.java:283)
> at
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:368)
> at
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:162)
> at
> org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.create(JaxWsServiceFactoryBean.java:97)
> at
> org.apache.cxf.frontend.AbstractWSDLBasedEndpointFactory.createEndpoint(AbstractWSDLBasedEndpointFactory.java:74)
> at
> org.apache.cxf.frontend.ClientFactoryBean.create(ClientFactoryBean.java:51)
> at
> org.apache.cxf.frontend.ClientProxyFactoryBean.create(ClientProxyFactoryBean.java:92)
> at org.apache.cxf.jaxws.ServiceImpl.createPort(ServiceImpl.java:387)
> at org.apache.cxf.jaxws.ServiceImpl.getPort(ServiceImpl.java:282)
> at javax.xml.ws.Service.getPort(Service.java:92)
> at
> ch.swissdec.schema.sd._20051002.salarydeclarationservice.SalaryDeclarationService.getSalaryDeclaration(SalaryDeclarationService.java:55)
> at
> ch.itserve.lohnstandard.refapps2.ws20051002.test.TestBase.invoke(TestBase.java:185)
> at
> ch.itserve.lohnstandard.refapps2.ws20051002.test.PerformanceTest.test_ParallelPerf(PerformanceTest.java:55)
> test_ParallelPerf(ch.itserve.lohnstandard.refapps2.ws20051002.test.PerformanceTest)
> Time elapsed: 0.369 sec <<< FAILURE!
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
> at java.util.HashMap$KeyIterator.next(HashMap.java:828)
> at
> org.apache.cxf.common.util.WeakIdentityHashMap.keySet(WeakIdentityHashMap.java:94)
> at
> org.apache.cxf.common.util.CacheMap.updateMainDataMap(CacheMap.java:55)
> at org.apache.cxf.common.util.CacheMap.get(CacheMap.java:84)
> at
> org.apache.cxf.jaxb.JAXBDataBinding.createJAXBContext(JAXBDataBinding.java:429)
> at
> org.apache.cxf.jaxb.JAXBDataBinding.initialize(JAXBDataBinding.java:268)
> at
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromWSDL(ReflectionServiceFactoryBean.java:283)
> at
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:368)
> at
> org.apache.cxf.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:162)
> at
> org.apache.cxf.jaxws.support.JaxWsServiceFactoryBean.create(JaxWsServiceFactoryBean.java:97)
> at
> org.apache.cxf.frontend.AbstractWSDLBasedEndpointFactory.createEndpoint(AbstractWSDLBasedEndpointFactory.java:74)
> at
> org.apache.cxf.frontend.ClientFactoryBean.create(ClientFactoryBean.java:51)
> at
> org.apache.cxf.frontend.ClientProxyFactoryBean.create(ClientProxyFactoryBean.java:92)
> at org.apache.cxf.jaxws.ServiceImpl.createPort(ServiceImpl.java:387)
> at org.apache.cxf.jaxws.ServiceImpl.getPort(ServiceImpl.java:282)
> at javax.xml.ws.Service.getPort(Service.java:92)
> at
> ch.swissdec.schema.sd._20051002.salarydeclarationservice.SalaryDeclarationService.getSalaryDeclaration(SalaryDeclarationService.java:55)
> at
> ch.itserve.lohnstandard.refapps2.ws20051002.test.TestBase.invoke(TestBase.java:185)
> at
> ch.itserve.lohnstandard.refapps2.ws20051002.test.PerformanceTest.test_ParallelPerf(PerformanceTest.java:55)
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