Thomas Graves created MAPREDUCE-4668:
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Summary: JettyBugMonitor thread should kill TT if can't find jetty
selector thread
Key: MAPREDUCE-4668
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4668
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 1.0.2
Reporter: Thomas Graves
We ran into a case where a tasktracker started but for some reason the jetty
thread didn't start or died shortly after start. I couldn't find anything
useful as to why.
Since Jetty wasn't running the TT couldn't serve up any map output. The
JettyBugMonitor thread saw this but just spit out the warning. We should have
it just kill the TT since its basically unusable without it.
> 2012-07-23 05:42:04,072 WARN org.apache.hadoop.mapred.JettyBugMonitor: Could
not locate Jetty selector threads
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