[HADOOP-3633] Uncaught exception in DataXceiveServer

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.17.0
• Fix Version/s: 0.17.2

Environment

17.0 + H1979-H2159-H3442

• Hadoop Flags: Reviewed
• Assignee: Konstantin Shvachko
• Reporter: Koji Noguchi
• Created: 24/Jun/08 23:42
• Updated: 08/Jul/09 16:43
• Resolved: 07/Jul/08 19:56

Description

Observed dfsclients timing out to some datanodes.
Datanode's '.out' file had

Exception in thread "org.apache.hadoop.dfs.DataNode$DataXceiveServer@82d37" java.lang.OutOfMemoryError: unable to create new native thread
  at java.lang.Thread.start0(Native Method)
  at java.lang.Thread.start(Thread.java:597)
  at org.apache.hadoop.dfs.DataNode$DataXceiveServer.run(DataNode.java:906)
  at java.lang.Thread.run(Thread.java:619)

Datanode was still running but not much activity besides verification.
Jstack showed no DataXceiveServer running.

Issue Links

• is related to: HADOOP-3685 Unbalanced replication target