After upgrading to latest static analysis plugins on hudson 1.238...

[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] null
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.UnsupportedOperationException
at java.util.Collections$UnmodifiableCollection.addAll(Collections.java:1028)
at hudson.plugins.findbugs.util.ParserResult.addModules(ParserResult.java:202)
at
hudson.plugins.findbugs.util.AbstractResultAction.addModule(AbstractResultAction.java:286)
at
hudson.plugins.findbugs.util.AbstractResultAction.createAggregatedResult(AbstractResultAction.java:265)
at
hudson.plugins.findbugs.MavenFindBugsResultAction.update(MavenFindBugsResultAction.java:89)
at hudson.maven.MavenModuleSetBuild.notifyModuleBuild(MavenModuleSetBuild.java:250)
at hudson.maven.MavenBuild$ProxyImpl2.end(MavenBuild.java:357)
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:585)
at
hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:240)
at
hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:223)
at
hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:183)
at hudson.remoting.UserRequest.perform(UserRequest.java:69)
at hudson.remoting.UserRequest.perform(UserRequest.java:23)
at hudson.remoting.Request$2.run(Request.java:206)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
at java.util.concurrent.FutureTask.run(FutureTask.java:123)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)