Colin Patrick McCabe created HDFS-5546:
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Summary: race condition crashes "hadoop ls -R" when directories
are moved/removed
Key: HDFS-5546
URL: https://issues.apache.org/jira/browse/HDFS-5546
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.2.0
Reporter: Colin Patrick McCabe
Priority: Minor
This seems to be a rare race condition where we have a sequence of events like
this:
1. org.apache.hadoop.shell.Ls calls DFS#getFileStatus on directory D.
2. someone deletes or moves directory D
3. org.apache.hadoop.shell.Ls calls PathData#getDirectoryContents(D), which
calls DFS#listStatus(D). This throws FileNotFoundException.
4. ls command terminates with FNF
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