Jing Zhao created HDFS-6996:
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Summary: SnapshotDiff report can hit IndexOutOfBoundsException
when there are nested renamed directory/file
Key: HDFS-6996
URL: https://issues.apache.org/jira/browse/HDFS-6996
Project: Hadoop HDFS
Issue Type: Bug
Components: snapshots
Affects Versions: 2.5.0
Reporter: Jing Zhao
Assignee: Jing Zhao
Currently when computing snapshot diff report where a renamed file/directory is
involved, we scan the {{withNameList}} inside of the corresponding WithCount
node to identify the correct rename target. However, the {{withNameList}} can
be empty due to snapshot deletion operations thus an IndexOutOfBoundsException
can be triggered.
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