[jboss-jira] [JBoss JIRA] (WFLY-1351) Incorrect exception handling in CoreGroupCommunicationService#handle

[Paul Ferraro (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-1351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Ferraro closed WFLY-1351.
------------------------------

    Fix Version/s: 8.0.0.Alpha3
       Resolution: Out of Date


CoreGroupCommunicationService is obsolete.  This issue does not apply to its replacement, CommandDispatcher.
                
> Incorrect exception handling in CoreGroupCommunicationService#handle
> --------------------------------------------------------------------
>
>                 Key: WFLY-1351
>                 URL: https://issues.jboss.org/browse/WFLY-1351
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering
>            Reporter: Dennis Reed
>            Assignee: Paul Ferraro
>             Fix For: 8.0.0.Alpha3
>
>
> org/jboss/as/clustering/impl/CoreGroupCommunicationService#handle catches and hides any internal exceptions, and just returns null instead.
> This breaks callers of CoreGroupCommunicationService when they get a null value where it's not expected (after verifying that the response was not flagged as an exception)
>     java.lang.NullPointerException
>         at org.jboss.as.clustering.lock.AbstractClusterLockSupport.lock(AbstractClusterLockSupport.java:157)
> It also catches an exception from the called method, and returns it as the return value, instead of just throwing it as an exception so it can be properly returned as an exception inside JGroups' RequestCorrelator.

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