Refactoring: Exception.printStackTrace() to LOG.error(Exception)
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Key: HAMA-391
URL: https://issues.apache.org/jira/browse/HAMA-391
Project: Hama
Issue Type: Bug
Affects Versions: 0.2.0
Reporter: Thomas Jungblut
Priority: Trivial
We should log error messages to the log instead of the info log / STDOUT.
-> Searching for printStackTrace() and replace it with LOG.error(Exception,
"Message").
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