A JobInProgressLIstener can change a job without informing other listeners
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Key: HADOOP-4521
URL: https://issues.apache.org/jira/browse/HADOOP-4521
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Reporter: Amar Kamat
As of now the {{JobInProgressListener}} adds itself to the {{JobTracker}} and
gets updated/informed. Some of there {{JobInProgressListener}}'s control these
changes/events (e.g. {{EagerTaskInitializer}}). The issue with this model is
that a listener can change the job without informing other listeners.
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