[mojo-dev] [jira] (MFINDBUGS-176) Update to plexus-resources 1.0-alpha-7 beacuse 1.0-alpha-4 causes ConcurrentModificationException in parallel builds

[Falko Modler (JIRA)]

Falko Modler created MFINDBUGS-176 Update to plexus-resources 1.0-alpha-7 beacuse 1.0-alpha-4 causes ConcurrentModificationException in parallel builds Issue Type: Bug Assignee: Garvin LeClaire Created: 19/Dec/12 11:37 AM Description: Our nightly site-Build runs in parallel mode (mvn -T x). We saw exceptions like this one frequently: Caused by: java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at org.codehaus.plexus.resource.loader.FileResourceLoader.getResourceAsInputStream(FileResourceLoader.java:59) at org.codehaus.plexus.resource.DefaultResourceManager.getResourceAsInputStream(DefaultResourceManager.java:77) at sun.reflect.GeneratedMethodAccessor626.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at org.codehaus.groovy.runtime.InvokerHelper.invokePojoMethod(InvokerHelper.java:738) at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:726) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:170) at org.codehaus.mojo.findbugs.FindBugsMojo.getResourceAsFile(FindBugsMojo.groovy:1177) at sun.reflect.GeneratedMethodAccessor624.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnCurrentN(ScriptBytecodeAdapter.java:78) at org.codehaus.mojo.findbugs.FindBugsMojo.getResourceFile(FindBugsMojo.groovy:1092) at sun.reflect.GeneratedMethodAccessor622.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:338) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnCurrentN(ScriptBytecodeAdapter.java:78) at org.codehaus.mojo.findbugs.FindBugsMojo$_executeFindbugs_closure4_closure14.doCall(FindBugsMojo.groovy:852) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:249) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at groovy.lang.Closure.call(Closure.java:292) at groovy.lang.Closure.call(Closure.java:305) at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:1068) at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:1045) at sun.reflect.GeneratedMethodAccessor463.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.runtime.metaclass.ReflectionMetaMethod.invoke(ReflectionMetaMethod.java:51) at org.codehaus.groovy.runtime.metaclass.NewInstanceMetaMethod.invoke(NewInstanceMetaMethod.java:54) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at org.codehaus.groovy.runtime.InvokerHelper.invokePojoMethod(InvokerHelper.java:738) at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:726) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:170) at org.codehaus.mojo.findbugs.FindBugsMojo$_executeFindbugs_closure4.doCall(FindBugsMojo.groovy:850) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:249) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnCurrentN(ScriptBytecodeAdapter.java:78) at org.codehaus.mojo.findbugs.FindBugsMojo$_executeFindbugs_closure4.doCall(FindBugsMojo.groovy) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:249) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at groovy.lang.Closure.call(Closure.java:292) at groovy.lang.Closure.call(Closure.java:287) at groovy.util.BuilderSupport.doInvokeMethod(BuilderSupport.java:143) at groovy.util.AntBuilder.doInvokeMethod(AntBuilder.java:149) at groovy.util.BuilderSupport.invokeMethod(BuilderSupport.java:64) at org.codehaus.groovy.runtime.InvokerHelper.invokePogoMethod(InvokerHelper.java:756) at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:730) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:170) at org.codehaus.mojo.findbugs.FindBugsMojo.executeFindbugs(FindBugsMojo.groovy:775) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnCurrentN(ScriptBytecodeAdapter.java:78) at org.codehaus.mojo.findbugs.FindBugsMojo.executeReport(FindBugsMojo.groovy:567) at org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:190) at org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:219) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:317) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:134) at org.apache.maven.plugins.site.SiteMojo.renderLocale(SiteMojo.java:175) at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:138) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101) ... 14 more until we analyzed the problem and solved it by adding the following dependency override to FindBugs Plugin: <dependency> <groupId>org.codehaus.plexus</groupId> <artifactId>plexus-resources</artifactId> <version>1.0-alpha-7</version> <exclusions> <exclusion> <groupId>org.codehaus.plexus</groupId> <artifactId>plexus-container-default</artifactId> </exclusion> </exclusions> </dependency> So please update to plexus-resources 1.0-alpha-7. Project: Maven 2.x FindBugs Plugin Priority: Major Reporter: Falko Modler

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