Are you sure you stopped all the daemons? Use 'sudo jps' to make sure :) - Aaron
On Mon, Aug 3, 2009 at 7:26 PM, bharath vissapragada < [email protected]> wrote: > Todd thanks for replying .. > > I stopped the cluster and issued the command > > "bin/hadoop namenode -upgrade" and iam getting this exception > > 09/08/04 07:52:39 ERROR namenode.NameNode: java.net.BindException: Problem > binding to master/10.2.24.21:54310 : Address already in use > at org.apache.hadoop.ipc.Server.bind(Server.java:171) > at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:234) > at org.apache.hadoop.ipc.Server.<init>(Server.java:960) > at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:465) > at org.apache.hadoop.ipc.RPC.getServer(RPC.java:427) > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:153) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:208) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:194) > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:859) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:868) > 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:169) > ... 9 more > > any clue? > > On Tue, Aug 4, 2009 at 12:51 AM, Todd Lipcon <[email protected]> wrote: > > > On Mon, Aug 3, 2009 at 12:08 PM, bharath vissapragada < > > [email protected]> wrote: > > > > > Hi all , > > > > > > I have noticed some problem in my cluster when i changed the hadoop > > version > > > on the same DFS directory .. The namenode log on the master says the > > > following .. > > > > > > > > > ile system image contains an old layout version -16. > > > *An upgrade to version -18 is required. > > > Please restart NameNode with -upgrade option. > > > * > > > > > > See bolded text above -- you need to run namenode -upgrade to upgrade > your > > metadata format to the current version. > > > > -Todd > > > > at > > > > > > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:312) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:309) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:288) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:163) > > > at > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:208) > > > at > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:194) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:859) > > > at > > > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:868) > > > 2009-08-04 00:27:51,498 INFO org.apache.hadoop.ipc.Server: Stopping > > server > > > on 54310 > > > 2009-08-04 00:27:51,498 ERROR > > > org.apache.hadoop.hdfs.server.namenode.NameNode: java.io.IOException: > > > File system image contains an old layout version -16. > > > An upgrade to version -18 is required. > > > Please restart NameNode with -upgrade option. > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:312) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:309) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:288) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:163) > > > at > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:208) > > > at > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:194) > > > at > > > > > > > > > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:859) > > > at > > > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:868) > > > > > > 2009-08-04 00:27:51,499 INFO > > > org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG > > > > > > Can anyone explain me the reason ... i googled it .. but those > > explanations > > > weren't quite useful > > > > > > Thanks > > > > > >
