provide better error message when subprocesses fail in hadoop streaming
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Key: HADOOP-1580
URL: https://issues.apache.org/jira/browse/HADOOP-1580
Project: Hadoop
Issue Type: Improvement
Components: contrib/streaming
Affects Versions: 0.14.0
Environment: fedora core 7 linux on x86
Reporter: John Heidemann
Priority: Minor
Fix For: 0.14.0
As described in
http://mail-archives.apache.org/mod_mbox/lucene-hadoop-user/200707.mbox/browser
bugs in the subprocesses started by hadoop streaming currently result in the
less-than-intuitive "broken pipe" error. This patch modifies streaming to
indicate when the subprocess fails with "subprocess exited with error code x"
for non-successful error codes.
A patch will follow.
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