[HADOOP-2841] Dfs methods should not throw RemoteException

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.16.0
• Fix Version/s: 0.17.0
• Hadoop Flags: Reviewed
• Assignee: Konstantin Shvachko
• Reporter: Hairong Kuang
• Created: 15/Feb/08 18:11
• Updated: 08/Jul/09 16:42
• Resolved: 04/Apr/08 23:28

Description

Dfs should unwrap the RemoteException and throw the real cause of the error to the user. This allows the user to find out the real cause without examining the remote exception. This also allows the user to use the dfs interface without aware of the implementation details (i.e. rpc).

Issue Links

• is related to: HADOOP-3108 NPE in FSDirectory.unprotectedSetPermission
• is related to: HADOOP-266 RPC doesn not handle exceptions correctly
• is related to: HADOOP-1588 HClient should unwrap RemoteException and throw the original exception instead