javax.ejb.EJBException: java.lang.NullPointerException

JBoss Issue Tracker | Michal Vinkler | 1 year ago
  1. 0

    Intermittent failure, so far seen in only one failover test for remote stateful EJBs: scenario ejb-ejbremote-undeploy-dist-async Setup: 4 node cluster, one node at time undeploys application (clusterbench-ee7.ear), while standalone clients keep calling the application. Just before server perf19 finished undeployment of the application, it logged this error 50 times: {code} [JBossINF] [0m[31m14:50:41,136 ERROR [org.jboss.as.ejb3.remote] (EJB default - 9) WFLYEJB0151: Exception while generating session id for component RemoteStatefulSBImpl with invocation id: -28551 on channel Channel ID 1ca843e6 (inbound) of Remoting connection 4b2907f9 to /10.16.90.52:58920: javax.ejb.EJBException: java.lang.NullPointerException [JBossINF] at org.jboss.as.ejb3.component.stateful.StatefulSessionComponent.createSessionRemote(StatefulSessionComponent.java:263) [JBossINF] at org.jboss.as.ejb3.remote.protocol.versionone.SessionOpenRequestHandler$SessionIDGeneratorTask.run(SessionOpenRequestHandler.java:145) [JBossINF] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [JBossINF] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [JBossINF] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [JBossINF] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [JBossINF] at java.lang.Thread.run(Thread.java:745) [JBossINF] at org.jboss.threads.JBossThread.run(JBossThread.java:320) [JBossINF] Caused by: java.lang.NullPointerException [JBossINF] at org.jboss.as.ejb3.component.stateful.StatefulSessionComponent.createSession(StatefulSessionComponent.java:238) [JBossINF] at org.jboss.as.ejb3.component.stateful.StatefulSessionComponent.createSessionRemote(StatefulSessionComponent.java:258) [JBossINF] ... 7 more {code} The other nodes did not log this error. Server log: http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-failover-ejb-ejbremote-undeploy-dist-async/4/console-perf19/

    JBoss Issue Tracker | 1 year ago | Michal Vinkler
    javax.ejb.EJBException: java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.jboss.as.ejb3.component.stateful.StatefulSessionComponent.createSession()
    2. JBoss Application Server: EJB Subsystem
      SessionOpenRequestHandler$SessionIDGeneratorTask.run
      1. org.jboss.as.ejb3.component.stateful.StatefulSessionComponent.createSession(StatefulSessionComponent.java:238)
      2. org.jboss.as.ejb3.component.stateful.StatefulSessionComponent.createSessionRemote(StatefulSessionComponent.java:258)
      3. org.jboss.as.ejb3.remote.protocol.versionone.SessionOpenRequestHandler$SessionIDGeneratorTask.run(SessionOpenRequestHandler.java:145)
      3 frames
    3. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      2. java.util.concurrent.FutureTask.run(FutureTask.java:266)
      3. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      4. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      5. java.lang.Thread.run(Thread.java:745)
      5 frames
    4. JBoss Threads
      JBossThread.run
      1. org.jboss.threads.JBossThread.run(JBossThread.java:320)
      1 frame