Improve DatabaseLoader failed messages
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Key: CHUKWA-111
URL: https://issues.apache.org/jira/browse/CHUKWA-111
Project: Hadoop Chukwa
Issue Type: Improvement
Components: Data Processors
Environment: Redhat 5.1, Java 6
Reporter: Eric Yang
When DatabaseLoader fails to connect to namenode, it prints the stack trace to
the log file. This could be improved by logging english message for operator
to understand the scope of the problem.
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