ConcurrentModificationException in lease recovery of empty files.
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Key: HADOOP-4961
URL: https://issues.apache.org/jira/browse/HADOOP-4961
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.18.0
Reporter: Konstantin Shvachko
Assignee: Konstantin Shvachko
Priority: Blocker
Fix For: 0.18.3
Attachments: TestLeaseExpire.java
The problem is that internalReleaseLease() finalizes empty files, which removes
these file path names from the lease. So this modifies the Collection of file
names which {{LeaseManager.checkLeases()}} is iterating on.
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