[jboss-as7-dev] MSC NPE [Re: as7-master-testsuite-ip6 - Build # 4546 - Failure!]

[Stuart Douglas]

This is a new one:

> [0m[31m17:16:17,648 ERROR [org.jboss.as.controller.management-operation] (ServerService Thread Pool -- 52) JBAS014612: Operation ("add") failed - address: ([("subsystem" => "transactions")]): java.lang.NullPointerException
> 	at org.jboss.msc.service.OptionalDependency.getController(OptionalDependency.java:377) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.msc.service.ServiceContainerImpl.detectCircularity(ServiceContainerImpl.java:606) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.msc.service.ServiceContainerImpl.detectCircularity(ServiceContainerImpl.java:634) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.msc.service.ServiceContainerImpl.detectCircularity(ServiceContainerImpl.java:634) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.msc.service.ServiceContainerImpl.detectCircularity(ServiceContainerImpl.java:588) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.msc.service.ServiceContainerImpl.install(ServiceContainerImpl.java:562) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.msc.service.ServiceTargetImpl.install(ServiceTargetImpl.java:201) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.msc.service.ServiceControllerImpl$ChildServiceTarget.install(ServiceControllerImpl.java:2228) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.msc.service.ServiceBuilderImpl.install(ServiceBuilderImpl.java:307) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
> 	at org.jboss.as.controller.OperationContextImpl$ContextServiceBuilder.install(OperationContextImpl.java:982) [jboss-as-controller-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
> 	at org.jboss.as.txn.subsystem.TransactionSubsystemAdd.performObjectStoreBoottime(TransactionSubsystemAdd.java:289)
> 	at org.jboss.as.txn.subsystem.TransactionSubsystemAdd.performBoottime(TransactionSubsystemAdd.java:179)
> 	at org.jboss.as.controller.AbstractBoottimeAddStepHandler.performRuntime(AbstractBoottimeAddStepHandler.java:57) [jboss-as-controller-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
> 	at org.jboss.as.controller.AbstractAddStepHandler$1.execute(AbstractAddStepHandler.java:50) [jboss-as-controller-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
> 	at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:414) [jboss-as-controller-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
> 	at org.jboss.as.controller.AbstractOperationContext.doCompleteStep(AbstractOperationContext.java:296) [jboss-as-controller-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
> 	at org.jboss.as.controller.AbstractOperationContext.completeStep(AbstractOperationContext.java:216) [jboss-as-controller-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
> 	at org.jboss.as.controller.ParallelBootOperationStepHandler$ParallelBootTask.run(ParallelBootOperationStepHandler.java:313) [jboss-as-controller-7.2.0.Alpha1-SNAPSHOT.jar:7.2.0.Alpha1-SNAPSHOT]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [rt.jar:1.6.0_29]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [rt.jar:1.6.0_29]
> 	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_29]
> 	at org.jboss.threads.JBossThread.run(JBossThread.java:122) [jboss-threads-2.0.0.GA.jar:2.0.0.GA]

It looks like in 
org.jboss.msc.service.OptionalDependency#getController() dependent is 
neither volatile nor read in a synchronized block, so may appear to be 
null if read from another thread.

I have created an issue: https://issues.jboss.org/browse/MSC-121


Stuart



ci-builds at redhat.com wrote:
> as7-master-testsuite-ip6 - Build # 4546 - Failure:
>
> Check console output at to view the results.
>
> Public: http://hudson.jboss.org/hudson/job/as7-master-testsuite-ip6/4546
> Internal: http://lightning.mw.lab.eng.bos.redhat.com/jenkins/job/as7-master-testsuite-ip6/4546/
>
> Test summary:
>
> 2 tests failed.
> REGRESSION:  org.jboss.as.test.clustering.cluster.jsf.JSFFailoverTestCase(SYNC-tcp).testStartContainersAndDeploymentsForGracefulUndeployFailover
>
> Error Message:
> Cannot deploy: distributable.war
>
> REGRESSION:  org.jboss.as.test.clustering.cluster.jsf.JSFFailoverTestCase(SYNC-tcp).testGracefulUndeployFailover
>
> Error Message:
> Invalid use of BasicClientConnManager: connection still allocated. Make sure to release the connection before allocating another one.
>
>
>
>
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