[CXF-4411] Maven plugin fails wsdl2java execution with concurrent modification exception

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.1
• Fix Version/s: 2.7.3

Environment

Linux, IBM JVM 1.6, Builder is Atlassian Bamboo 2.7.6, Maven 3.0.4

• Estimated Complexity: Unknown
• Assignee: Daniel Kulp
• Reporter: Jeroen Benckhuijsen
• Created: 09/Jul/12 11:09
• Updated: 31/Mar/17 19:38
• Resolved: 22/Mar/17 18:05

Description

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