[infinispan-issues] [JBoss JIRA] (ISPN-3403) NullPointerException when invoking JMX operation with debug logging enabled

[Fabian Stäber (JIRA)]

Fabian Stäber created ISPN-3403:
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             Summary: NullPointerException when invoking JMX operation with debug logging enabled
                 Key: ISPN-3403
                 URL: https://issues.jboss.org/browse/ISPN-3403
             Project: Infinispan
          Issue Type: Bug
    Affects Versions: 6.0.0.Alpha2
            Reporter: Fabian Stäber
            Assignee: Mircea Markus


When the CLI client runs the "cache ___defaultcache" command to select a cache, the first things that happens is that the "createSessionId" call is invoked via JMX on the server.

When the command is run for the first time, there is no previously selected cache. Therefore, the "active cache" parameter for the "createSessionId" command is null.

On the server side, in ResourceDMBean.invoke(), there is a debug logging message that would log the class of the arguments received using args[i].getClass(). As args[i] is null for the "active cache" parameter the call fails with a NullPointerException.

As a result, it is not possible to select a cache with the CLI client when debug logging is enabled in ResourceDMBean.

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I will create a very small pull request for this on GitHub. 


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