GitHub user eminency opened a pull request:
TAJO-1258: Close() for classes derived from FileAppender should be robust
TAJO-1258 branch is newly created and PR is re-created.
I modified it using IOUtils.cleanup.
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This closes #340
Author: Jongyoung Park <firstname.lastname@example.org>
IOUtils.cleanup is used instead of direct close() in appenders.