Enis Soztutar created HBASE-8703:
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             Summary: [WINDOWS] Timed-out processes exit with non-zero code 
causing HealthChecker to report incorrectly
                 Key: HBASE-8703
                 URL: https://issues.apache.org/jira/browse/HBASE-8703
             Project: HBase
          Issue Type: Sub-task
            Reporter: Enis Soztutar
            Assignee: Enis Soztutar
             Fix For: 0.98.0, 0.95.2


Hadoop ShellCommandExecutor on timeout, destroys the process, and later checks 
the exit code. On windows, if process is destroyed, the exit code is non-zero, 
so ShellCommandExecutor.execute() throws ExitCodeException rather than generic 
IOException. However, in HealthChecker, on catching ExitCodeException we do not 
check the timeout. 

It is unfortunate that Hadoop does not throw an TimeoutException, but provides 
.isTimedOut() api. And it seems that on timeout on linux, the throwing of the 
IOException is coincidental:
{code}
2013-06-06 14:17:47,930 WARN  [main] hbase.HealthChecker(79): Caught exception 
: java.io.IOException: Stream closed
{code}
It may not be worth fixing Hadoop for this, but we have to do the correct check 
anyway. 

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