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https://issues.apache.org/jira/browse/QPID-7474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15611363#comment-15611363
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ASF subversion and git services commented on QPID-7474:
-------------------------------------------------------

Commit 1766796 from [~godfrer] in branch 'java/trunk'
[ https://svn.apache.org/r1766796 ]

QPID-7474 : Only virtual hosts capable of processing messages should implement 
StatisticsGatherer

> [Java Broker] Guard against NPE in StatisticsReportingTask
> ----------------------------------------------------------
>
>                 Key: QPID-7474
>                 URL: https://issues.apache.org/jira/browse/QPID-7474
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: qpid-java-6.0, qpid-java-6.0.4, qpid-java-6.1
>            Reporter: Lorenz Quack
>
> Currently when statistics gathering is enabled on the broker it iterates over 
> all virtual hosts and accesses their EventLogger. Some VirtualHosts (e.g., 
> BDBHAReplicaVirtualHost or RedirectingVirtualHost) do not have an EventLogger 
> and will return null causing a NullPointerException in the 
> StatisticsReportingTask that will be logged with a stacktrace and prevents 
> other VHs from reporting their statistics.



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