Shanthoosh Venkataraman created SAMZA-1585:

             Summary: Followers stopping themselves when their processorID 
doesn't exist in JobModel.
                 Key: SAMZA-1585
             Project: Samza
          Issue Type: Bug
            Reporter: Shanthoosh Venkataraman
            Assignee: Shanthoosh Venkataraman

When a follower reads the propagated JobModel and finds out that it's 
processorID does not exist in the JobModel, the follower process will kill 

If the follower joins the group when the leader is in the middle of generating 
the JobModel, the newly generated JobModel will not have the follower;s 
processorID(since the leader has not seen the change(follower joining the 
group)) and the follower will kill itself. 

This is not an  expected behavior and will trigger unexpected rebalance phases 
in the processors group.


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