ConcurrentModificationException and NPE in JobControl
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Key: HADOOP-1253
URL: https://issues.apache.org/jira/browse/HADOOP-1253
Project: Hadoop
Issue Type: Bug
Components: mapred
Affects Versions: 0.12.3
Reporter: Johan Oskarson
Priority: Minor
toArrayList(Hashtable jobs) in JobControl.java isn't synchronized and it
resulted in a ConcurrentModificationException.
checkRunningState in Job.java can throw a NullPointerException if running =
jc.getJob(this.mapredJobID) fails, leaving running null.
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