Jason Lowe created HADOOP-9894:
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Summary: Race condition in Shell leads to logged error stream
handling exceptions
Key: HADOOP-9894
URL: https://issues.apache.org/jira/browse/HADOOP-9894
Project: Hadoop Common
Issue Type: Bug
Components: util
Affects Versions: 2.1.0-beta
Reporter: Jason Lowe
Shell.runCommand starts an error stream handling thread and normally joins with
it before closing the error stream. However if parseExecResult throws an
exception (e.g.: like Stat.parseExecResult does for FileNotFoundException) then
the error thread is not joined and the error stream can be closed before the
error stream handling thread is finished. This causes the error stream
handling thread to log an exception backtrace for a "normal" situation.
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