[HADOOP-7964] Deadlock in class init.

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.0.0, 0.23.1, 0.24.0
• Fix Version/s: 1.0.1, 0.23.1
• Component/s: security, util
• Target Version/s: 1.0.1
• Hadoop Flags: Reviewed
• Assignee: Daryn Sharp
• Reporter: Kihwal Lee
• Created: 07/Jan/12 00:05
• Updated: 31/Jan/12 01:56
• Resolved: 24/Jan/12 01:35

Description

After HADOOP-7808, client-side commands hang occasionally. There are cyclic dependencies in NetUtils and SecurityUtil class initialization. Upon initial look at the stack trace, two threads deadlock when they hit the either of class init the same time.