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https://issues.apache.org/jira/browse/QPID-5569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rob Godfrey updated QPID-5569:
------------------------------

    Fix Version/s: 0.27

> NullPointerException if message prop's userId is null
> -----------------------------------------------------
>
>                 Key: QPID-5569
>                 URL: https://issues.apache.org/jira/browse/QPID-5569
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: 0.18
>            Reporter: Nathan Jensen
>            Assignee: Rob Godfrey
>             Fix For: 0.27
>
>
> Some JMS applications will try to retrieve the userID from a message, and the 
> qpid client may throw a NullPointerException if that is not set on the 
> message. Ideally it should just return null if there is no userId set. 
> Specifically in org.apache.qpid.client.message.AMQMessageDelegate_0_10.java, 
> the method getStringProperty(String) checks if the propertyName equals 
> JMSXUserID and if so returns a new String(_messageProps.getUserId()). 
> Therefore if there is no userId set it can attempt String(null) which causes 
> a NullPointerException.
> Also note that other properties in this method are specifically checking for 
> null to avoid an exception like this.



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