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Posted to issues@hbase.apache.org by "Enis Soztutar (JIRA)" <ji...@apache.org> on 2013/06/06 23:42:20 UTC
[jira] [Created] (HBASE-8703) [WINDOWS] Timed-out processes exit
with non-zero code causing HealthChecker to report incorrectly
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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