javax.ejb.EJBException: java.lang.NullPointerException

JBoss Issue Tracker | Michal Vinkler | 2 years ago
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    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 [] (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 / javax.ejb.EJBException: java.lang.NullPointerException [JBossINF] at [JBossINF] at$ [JBossINF] at java.util.concurrent.Executors$ [JBossINF] at [JBossINF] at java.util.concurrent.ThreadPoolExecutor.runWorker( [JBossINF] at java.util.concurrent.ThreadPoolExecutor$ [JBossINF] at [JBossINF] at [JBossINF] Caused by: java.lang.NullPointerException [JBossINF] at [JBossINF] at [JBossINF] ... 7 more {code} The other nodes did not log this error. Server log:

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

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

    2. JBoss Application Server: EJB Subsystem
      3 frames
    3. Java RT
      1. java.util.concurrent.Executors$
      3. java.util.concurrent.ThreadPoolExecutor.runWorker(
      4. java.util.concurrent.ThreadPoolExecutor$
      5 frames
    4. JBoss Threads
      1 frame