NodeManager fails to create containers when NM_LOG_DIR is not explicitly set in
the Configuration
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Key: MAPREDUCE-2644
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2644
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Reporter: Josh Wills
Assignee: Josh Wills
If the yarn configuration does not explicitly specify a value for the
yarn.server.nodemanager.log.dir property, container allocation will fail on the
NodeManager w/an NPE when the LocalDirAllocator goes to create the temp
directory. In most of the code, we handle this by defaulting to /tmp/logs, but
we cannot do this in the LocalDirAllocator context, so we need to set the
default value explicitly in the Configuration.
Marking this as major b/c it's annoying to bump into it when you're getting
your first MRv2 cluster up and running. :)
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