Peter Bacsko created OOZIE-2915:
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Summary: Fix race conditon in check() methods and rewrite check()
logic
Key: OOZIE-2915
URL: https://issues.apache.org/jira/browse/OOZIE-2915
Project: Oozie
Issue Type: Sub-task
Reporter: Peter Bacsko
There is a race condition inside {{MapReduceActionExecutor.check()}}.
Comment from Rohini:
bq. This code will have race condition issues. super.check() will check the
status of launcher AM if action data file is not found. While it starts the
check, if it completes then it will read the NEW_ID from action data and mark
the action as completed even though the mapreduce job is just launched and is
still running.
Also the existing logic is convoluted and complex, hard to test. It should be
refactored so we can validate the correctness of different code paths.
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