Mona Chitnis created OOZIE-1932:
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             Summary: Services should load CallableQueueService after 
MemoryLocksService
                 Key: OOZIE-1932
                 URL: https://issues.apache.org/jira/browse/OOZIE-1932
             Project: Oozie
          Issue Type: Bug
    Affects Versions: trunk
            Reporter: Mona Chitnis
            Assignee: Mona Chitnis
             Fix For: trunk


This is not a problem during startup but is during shutdown, as services are 
destroyed in reverse order of initialization. Hence, when MemoryLocksService 
destroy sets it to null, and commands are still executing due to 
CallableQueueService still active, they all encounter NPEs during locking. This 
is a simple fix in oozie-default.xml to set MemoryLocksService before in the 
order of services loading.



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