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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AMQ-5442) NullPointerException in SimpleDiscoveryEvent on Shutdown
Date Tue, 25 Nov 2014 20:31:16 GMT

     [ https://issues.apache.org/jira/browse/AMQ-5442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish resolved AMQ-5442.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 5.11.0
         Assignee: Timothy Bish

Added check before attempting to stop task runner

> 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
>            Assignee: Timothy Bish
>             Fix For: 5.11.0
>
>
> 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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