[HADOOP-5655] TestMRServerPorts fails on java.net.BindException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.20.1
• Hadoop Flags: Reviewed
• Assignee: Devaraj Das
• Reporter: Hairong Kuang
• Created: 10/Apr/09 18:23
• Updated: 08/Jul/09 16:53
• Resolved: 17/Apr/09 00:05

Description

Both testTaskTrackerPorts and testJobTrackerPorts failed on the same error message:

Error Message

Problem binding to /0.0.0.0:50010 : Address already in use

Stacktrace

java.net.BindException: Problem binding to /0.0.0.0:50010 : Address already in use
at org.apache.hadoop.ipc.Server.bind(Server.java:190)
at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:310)
at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:221)
at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1301)
at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1256)
at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1264)
at org.apache.hadoop.hdfs.TestHDFSServerPorts.startDataNode(TestHDFSServerPorts.java:80)
at org.apache.hadoop.mapred.TestMRServerPorts.testTaskTrackerPorts(TestMRServerPorts.java:160)
Caused by: java.net.BindException: Address already in use
at sun.nio.ch.Net.bind(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:119)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
at org.apache.hadoop.ipc.Server.bind(Server.java:188)