[HBASE-14224] Fix coprocessor handling of duplicate classes

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.0.1, 1.2.0, 1.1.1, 2.0.0
• Fix Version/s: 1.0.2, 1.2.0, 1.3.0, 0.98.15, 1.1.3, 2.0.0
• Component/s: Coprocessors
• Hadoop Flags: Reviewed
• Release Note: Prevent Coprocessors being doubly-loaded; a particular coprocessor can only be loaded once.
• Assignee: Michael Stack
• Reporter: Lars George
• Created: 14/Aug/15 15:03
• Updated: 30/Sep/15 08:42
• Resolved: 24/Aug/15 21:21

Description

While discussing with misty over on HBASE-13907 we noticed some inconsistency when copros are loaded. Sometimes you can load them more than once, sometimes you can not. Need to consolidate.

Issue Links

• is related to: HBASE-13907 Document how to deploy a coprocessor
• links to: Review Board Link