[HDFS-3727] When using SPNEGO, NN should not try to log in using KSSL principal

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0, 1.1.1, 1.2.0
• Fix Version/s: 1.1.2
• Component/s: namenode
• Target Version/s: 1.1.2
• Hadoop Flags: Reviewed
• Assignee: Aaron Myers
• Reporter: Aaron Myers
• Created: 26/Jul/12 01:10
• Updated: 06/Mar/13 09:55
• Resolved: 30/Nov/12 19:27

Description

When performing a checkpoint with security enabled, the NN will attempt to relogin from its keytab before making an HTTP request back to the 2NN to fetch the newly-merged image. However, it always attempts to log in using the KSSL principal, even if SPNEGO is configured to be used.

This issue was discovered by Stephen Chu.