Geoffrey Jacoby created HBASE-24909:
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Summary: Remove unnecessary ClassNotFoundException and
NoSuchMethodException stack traces from HBase startup logs
Key: HBASE-24909
URL: https://issues.apache.org/jira/browse/HBASE-24909
Project: HBase
Issue Type: Improvement
Reporter: Geoffrey Jacoby
Assignee: Geoffrey Jacoby
During cluster startup there are a couple of places where HBase needs to use
reflection to determine what version of Hadoop or protobuf it's using, and then
instantiate the right class.
If its first guess is wrong, it logs a ClassNotFoundException (for protobuf
MessageLite) or NoSuchMethodException (for
DFSClient.decryptEncryptedDataEncryptionKey). While this is done at DEBUG
level, the exception types and the stack traces can lead to operators thinking
something is wrong.
Since neither the exception nor the stack trace is actually of interest, we
should just log a brief, clear message at DEBUG level about which decision was
made and eat the exception without logging it.
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