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https://issues.apache.org/jira/browse/CXF-4411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13640211#comment-13640211
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Jeroen Benckhuijsen commented on CXF-4411:
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Running in fork mode seems to fix this issue, however, there are occasionally
concurrentmodificationexceptions in CommandLineUtils
> Maven plugin fails wsdl2java execution with concurrent modification exception
> -----------------------------------------------------------------------------
>
> Key: CXF-4411
> URL: https://issues.apache.org/jira/browse/CXF-4411
> Project: CXF
> Issue Type: Bug
> Affects Versions: 2.6.1
> Environment: Linux, IBM JVM 1.6, Builder is Atlassian Bamboo 2.7.6,
> Maven 3.0.4
> Reporter: Jeroen Benckhuijsen
> Assignee: Freeman Fang
>
> We're getting a concurrent modification exception while running a parallel
> build (-T C5) using Maven 3. Reproducability is low, so it seems to be some
> race condition. Stack trace:
> build 06-Jul-2012 16:42:33
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.cxf:cxf-codegen-plugin:2.6.1:wsdl2java
> (generate-sources-task-callback) on project gps-wps-process-client-takp:
> java.util.ConcurrentModificationException
> build 06-Jul-2012 16:42:33 at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
> build 06-Jul-2012 16:42:33 at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> build 06-Jul-2012 16:42:33 at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> build 06-Jul-2012 16:42:33 at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
> build 06-Jul-2012 16:42:33 at
> org.apache.maven.lifecycle.internal.LifecycleThreadedBuilder$1.call(LifecycleThreadedBuilder.java:167)
> build 06-Jul-2012 16:42:33 at
> org.apache.maven.lifecycle.internal.LifecycleThreadedBuilder$1.call(LifecycleThreadedBuilder.java:163)
> build 06-Jul-2012 16:42:33 at
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:315)
> build 06-Jul-2012 16:42:33 at
> java.util.concurrent.FutureTask.run(FutureTask.java:150)
> build 06-Jul-2012 16:42:33 at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:453)
> build 06-Jul-2012 16:42:33 at
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:315)
> build 06-Jul-2012 16:42:33 at
> java.util.concurrent.FutureTask.run(FutureTask.java:150)
> build 06-Jul-2012 16:42:33 at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:898)
> build 06-Jul-2012 16:42:33 at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:920)
> build 06-Jul-2012 16:42:33 at java.lang.Thread.run(Thread.java:736)
> build 06-Jul-2012 16:42:33 Caused by:
> org.apache.maven.plugin.MojoExecutionException:
> java.util.ConcurrentModificationException
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.maven_plugin.wsdl2java.WSDL2JavaMojo.generate(WSDL2JavaMojo.java:234)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.maven_plugin.AbstractCodegenMoho.execute(AbstractCodegenMoho.java:250)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.maven_plugin.wsdl2java.WSDL2JavaMojo.execute(WSDL2JavaMojo.java:308)
> build 06-Jul-2012 16:42:33 at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
> build 06-Jul-2012 16:42:33 at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
> build 06-Jul-2012 16:42:33 ... 13 more
> build 06-Jul-2012 16:42:33 Caused by:
> org.apache.cxf.tools.common.ToolException:
> java.util.ConcurrentModificationException
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.execute(WSDLToJavaContainer.java:294)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.tools.common.toolspec.ToolRunner.runTool(ToolRunner.java:103)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.tools.wsdlto.WSDLToJava.run(WSDLToJava.java:113)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.tools.wsdlto.WSDLToJava.run(WSDLToJava.java:86)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.maven_plugin.wsdl2java.WSDL2JavaMojo.generate(WSDL2JavaMojo.java:231)
> build 06-Jul-2012 16:42:33 ... 17 more
> build 06-Jul-2012 16:42:33 Caused by:
> java.util.ConcurrentModificationException
> build 06-Jul-2012 16:42:33 at
> java.util.LinkedHashMap$AbstractMapIterator.checkConcurrentMod(LinkedHashMap.java:136)
> build 06-Jul-2012 16:42:33 at
> java.util.LinkedHashMap$AbstractMapIterator.makeNext(LinkedHashMap.java:141)
> build 06-Jul-2012 16:42:33 at
> java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:214)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.bus.extension.ExtensionManagerImpl.getBeansOfType(ExtensionManagerImpl.java:299)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.bus.CXFBusImpl.getExtension(CXFBusImpl.java:99)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.tools.common.toolspec.AbstractToolContainer.getBus(AbstractToolContainer.java:191)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.processWsdl(WSDLToJavaContainer.java:167)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.execute(WSDLToJavaContainer.java:139)
> build 06-Jul-2012 16:42:33 at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.execute(WSDLToJavaContainer.java:286)
> build 06-Jul-2012 16:42:33 ... 21 more
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