[jira] [Created] (AMQ-5442) NullPointerException in SimpleDiscoveryEvent on Shutdown

["John Arnesen (JIRA)" <ji...@apache.org>]

John Arnesen created AMQ-5442:
---------------------------------

             Summary: NullPointerException in SimpleDiscoveryEvent on Shutdown
                 Key: AMQ-5442
                 URL: https://issues.apache.org/jira/browse/AMQ-5442
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.10.0
            Reporter: John Arnesen


If startup of a broker fails when using SimpleDiscoveryAgent, then you will encounter a NullPointerException on shutdown because the TaskRunnerFactory instance is created during startup and there is no check to ensure it was created before attempting the shutdown:

{quote}
org.apache.activemq.network.DiscoveryNetworkConnector Could not stop service: DiscoveryNetworkConnector:NC:BrokerService[...]. Reason: java.lang.NullPointerException
        at org.apache.activemq.transport.discovery.simple.SimpleDiscoveryAgent.stop(SimpleDiscoveryAgent.java:96)
{quote}




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