Need better exception handling in RCFile tolerate corruptions mode
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Key: HIVE-2660
URL: https://issues.apache.org/jira/browse/HIVE-2660
Project: Hive
Issue Type: Bug
Components: Query Processor
Reporter: Ramkumar Vadali
Assignee: Ramkumar Vadali
Priority: Minor
The exception handling in nextKeyValueTolerateCorruptions treats IOException as
follows:
- if EOFException, corrupt, can be tolerated
- If CheckSumException, corrupt, can be tolerated
- else not a corruption, re-throw
But the compression code can also throw IOException in case of corruption,
which will get re-thrown in this case.
The correct way of handling IOException is:
- if BlockMissingException, re-throw.
- if not BlockMissingException -> corruption, can be tolerated
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