[jboss-jira] [JBoss JIRA] (WFLY-6592) NPE thrown during application redeployment, slaves taken offline

[Matthew Casperson (JIRA)]

Matthew Casperson created WFLY-6592:
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             Summary: NPE thrown during application redeployment, slaves taken offline
                 Key: WFLY-6592
                 URL: https://issues.jboss.org/browse/WFLY-6592
             Project: WildFly
          Issue Type: Bug
    Affects Versions: 10.0.0.Final
            Reporter: Matthew Casperson
            Assignee: Jason Greene


We have some development Wildfly 10.0.0 servers running as slaves in a domain that frequently have WAR files redeployed. We have noticed that these slaves will often go offline after a redeployment of WAR files with the following stack trace:

{code}
2016-05-06 05:05:51,306 ERROR [org.jboss.as.controller.management-operation] (Host Controller Service Threads - 1012) WFLYCTL0190: Step handler org.jboss.as.domain.controller.operations.deployment.DeploymentFullReplaceHandler at 3f68226b for operation {"operation" => "full-replace-deployment","name" => "whatever.war","enabled" => true,"content" => [{"hash" => bytes { 0x5d, 0x12, 0x18, 0x2b, 0x1c, 0x86, 0x71, 0x27, 0x08, 0x3d, 0xf1, 0x75, 0x08, 0x29, 0xa6, 0x49, 0x1f, 0x16, 0xe8, 0x22 }}],"operation-headers" => {"access-mechanism" => "NATIVE","domain-uuid" => "802ab616-dd2c-4081-a79c-c4d54e14c384","push-to-servers" => undefined},"address" => [],"runtime-name" => undefined} at address [] failed handling operation rollback -- java.lang.NullPointerException: java.lang.NullPointerException
        at org.jboss.as.repository.LocalDeploymentFileRepository.deleteDeployment(LocalDeploymentFileRepository.java:59)
        at org.jboss.as.host.controller.RemoteDomainConnectionService$RemoteFileRepository.deleteDeployment(RemoteDomainConnectionService.java:756)
        at org.jboss.as.domain.controller.operations.deployment.DeploymentFullReplaceHandler$1.handleResult(DeploymentFullReplaceHandler.java:181)
        at org.jboss.as.controller.AbstractOperationContext$Step.invokeResultHandler(AbstractOperationContext.java:1384)
        at org.jboss.as.controller.AbstractOperationContext$Step.handleResult(AbstractOperationContext.java:1366)
        at org.jboss.as.controller.AbstractOperationContext$Step.finalizeInternal(AbstractOperationContext.java:1328)
        at org.jboss.as.controller.AbstractOperationContext$Step.finalizeStep(AbstractOperationContext.java:1311)
        at org.jboss.as.controller.AbstractOperationContext$Step.access$300(AbstractOperationContext.java:1185)
        at org.jboss.as.controller.AbstractOperationContext.executeResultHandlerPhase(AbstractOperationContext.java:767)
        at org.jboss.as.controller.AbstractOperationContext.executeDoneStage(AbstractOperationContext.java:753)
        at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:680)
        at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:370)
        at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1344)
        at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:392)
        at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:217)
        at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler.internalExecute(TransactionalProtocolOperationHandler.java:247)
        at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler.doExecute(TransactionalProtocolOperationHandler.java:185)
        at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$1.run(TransactionalProtocolOperationHandler.java:138)
        at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$1.run(TransactionalProtocolOperationHandler.java:134)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:360)
        at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:81)
        at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2$1.run(TransactionalProtocolOperationHandler.java:157)
        at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2$1.run(TransactionalProtocolOperationHandler.java:153)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.jboss.as.controller.remote.TransactionalProtocolOperationHandler$ExecuteRequestHandler$2.execute(TransactionalProtocolOperationHandler.java:153)
        at org.jboss.as.protocol.mgmt.AbstractMessageHandler$ManagementRequestContextImpl$1.doExecute(AbstractMessageHandler.java:363)
        at org.jboss.as.protocol.mgmt.AbstractMessageHandler$AsyncTaskRunner.run(AbstractMessageHandler.java:472)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
        at org.jboss.threads.JBossThread.run(JBossThread.java:320)
{code}

This error will usually only happen for 2 out of the 4 identically configured slaves, and seems to happen randomly, although frequently enough.



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