Till Rohrmann created FLINK-5022:
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Summary: Suppress RejectedExecutionException when the Executor is
shut down
Key: FLINK-5022
URL: https://issues.apache.org/jira/browse/FLINK-5022
Project: Flink
Issue Type: Improvement
Affects Versions: 1.2.0
Reporter: Till Rohrmann
Assignee: Till Rohrmann
Priority: Minor
Fix For: 1.2.0
The {{JobManager}} shuts down its {{ExecutionService}} when the actor is
stopped. This causes the problem that the execution service which is used to
run future callbacks is finished before the actor has completely terminated.
Due to this there might be rpc answers which cause another {{Runnable}} to be
submitted to the {{ExecutionService}}. This causes
{{RejectedExecutionExceptions}} to be thrown.
The underlying problem is that the {{JobManager}} should not stop the
{{ExecutionService}} before the actor has been terminated. This will be changed
in Flip-6 anyway. In the meantime to suppress these exceptions, it will be
checked whether the {{ExecutionService}} has been shut down and only if not,
exceptions will be logged.
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