Problem binding to [localhost:9820] java.net.BindException: Address already in use; For more details see: http://wiki.apache.org/hadoop/BindException
Stack Trace:
java.net.BindException: Problem binding to [localhost:9820] java.net.BindException: Address already in use; For more details see: http://wiki.apache.org/hadoop/BindException
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:444)
at sun.nio.ch.Net.bind(Net.java:436)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.apache.hadoop.ipc.Server.bind(Server.java:530)
at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:793)
at org.apache.hadoop.ipc.Server.<init>(Server.java:2592)
at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:958)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:563)
at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:538)
at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:800)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.<init>(NameNodeRpcServer.java:426)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createRpcServer(NameNode.java:783)
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:710)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:924)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:903)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1620)
at org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:1247)
at org.apache.hadoop.hdfs.MiniDFSCluster.configureNameService(MiniDFSCluster.java:1016)
at org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:891)
at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:823)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:482)
at org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:441)
at org.apache.hadoop.hdfs.TestDFSShell.testMoveWithTargetPortEmpty(TestDFSShell.java:567)