checkLease should throw FileNotFoundException when file does not exist
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Key: HDFS-2484
URL: https://issues.apache.org/jira/browse/HDFS-2484
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Affects Versions: 0.22.0, 0.24.0
Reporter: Konstantin Shvachko
When file is deleted during its creation {{FSNamesystem.checkLease(String src,
String holder)}} throws {{LeaseExpiredException}}. It would be more informative
if it thrown {{FileNotFoundException}}.
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