[HADOOP-3434] Retain cause of bind failure in Server.bind

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.18.0
• Fix Version/s: 0.18.0
• Hadoop Flags: Reviewed
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 21/May/08 23:19
• Updated: 29/Apr/10 08:52
• Resolved: 30/May/08 00:51

Description

When a datanode can't start listening on a port, there's no explanation why; the message/stack is lost:

Caused by: java.net.BindException: Problem binding to localhost/127.0.0.1:8022
at org.apache.hadoop.ipc.Server.bind(Server.java:168)
at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java:279)
at org.apache.hadoop.dfs.DataNode.(DataNode.java:185)
at org.apache.hadoop.dfs.ExtDataNode.(ExtDataNode.java:55)
at org.smartfrog.services.hadoop.components.datanode.DatanodeImpl.sfStart(DatanodeImpl.java:60)