[HDFS-4027] NameNodeResourceChecker$CheckedVolume should provide more info when DF fails - ASF JIRA

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Details

Type: Bug
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: 2.0.0-alpha
Fix Version/s: None
Component/s: None
Labels:
None

Description

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.