Eli Collins created HDFS-4027:
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Summary: NameNodeResourceChecker$CheckedVolume should provide more
info when DF fails
Key: HDFS-4027
URL: https://issues.apache.org/jira/browse/HDFS-4027
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.0.0-alpha
Reporter: Eli Collins
I've seen jenkins failures (eg TestHDFSFileSystemContract) where
DF#parseExecResult fails with an IOE "Expecting a line not the end of stream"
due to what looks like a local storage failure. We should better log the
output/exceptions from DF so we can see what the root cause was.
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