TestMRServerPorts fails on java.net.BindException
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Key: HADOOP-5655
URL: https://issues.apache.org/jira/browse/HADOOP-5655
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Reporter: Hairong Kuang
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)
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