Fix findBugs warnings in UpgradeUtilities.
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Key: HADOOP-3036
URL: https://issues.apache.org/jira/browse/HADOOP-3036
Project: Hadoop Core
Issue Type: Bug
Components: dfs, test
Affects Versions: 0.15.0
Reporter: Konstantin Shvachko
Assignee: Konstantin Shvachko
Fix For: 0.17.0
There are 2 findBugs warning in UpgradeUtilities.
- toString() applied to a String
- not closing InputStream.
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