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Re: namenode -upgrade problem
yes .. I have stopped all the daemons ... when i use jps ...i get only ...
"<pid> Jps"

Actually .. i upgraded the version from 18.2 to 19.x  on the same path of
hdfs .. is it a problem?
On Wed, Aug 5, 2009 at 11:02 PM, Aaron Kimball <[EMAIL PROTECTED]> wrote:

> 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.