It was due to a missing lib jar which rendered region servers useless. That's why I suggested checking out region server logs.
On Sun, May 15, 2011 at 8:28 PM, Nathan McC <[email protected]> wrote: > Thanks Ted. Id still like to know how you solved this problem, could be > helpful. > > Cheers, > > > --Sent from Windows Mobile > > ------------------------------ > From: Ted Yu <[email protected]> > Sent: Monday, 16 May 2011 1:03 PM > To: Nathan McC <[email protected]> > Cc: [email protected] > Subject: Re: HBase -ROOT- is unable to come online > > Nathan: > I didn't run in pseudo-distributed mode. > Please check region server log which would give you more clue. > > Also, please involve user@ or dev@ so that: > 1. you can get more helping hands > 2. share your finding with other people. > > Have a nice weekend. > > On Sun, May 15, 2011 at 7:56 PM, Nathan McC <[email protected]> wrote: > >> Hi Ted, >> >> I’m hoping you can help me – I’m having a problem similar to yours with >> HBase (http://search-hadoop.com/m/50Ekr1n36KU1/v=threaded) , I’m using >> the Cloudera distro and trying to get Hadoop and HBase running in >> pseudo-distributed mode. >> >> Whenever I try to go to the master server webpage (e.g. >> http://localhost:60010) it just sits there continually loading. >> >> Could you tell me how you solved the problem where -ROOT- is unable to >> come online. >> >> Looking at the logs of the master I see the following: >> >> 11/05/15 19:58:27 WARN master.AssignmentManager: Failed assignment of >> -ROOT-,,0.70236052 to serverName=localhost,60020,1305452402149, >> load=(requests=0, regions=0, usedHeap=24, maxHeap=995), trying to assign >> elsewhere instead; retry=0 >> org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed setting up >> proxy interface org.apache.hadoop.hbase.ipc.HRegionInterface to / >> 127.0.0.1:60020 after attempts=1 at >> org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:355) at >> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:957) >> at >> org.apache.hadoop.hbase.master.ServerManager.getServerConnection(ServerManager.java:606) >> at >> org.apache.hadoop.hbase.master.ServerManager.sendRegionOpen(ServerManager.java:541) >> at >> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:901) >> at >> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:730) >> at >> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:710) >> at >> org.apache.hadoop.hbase.master.AssignmentManager$TimeoutMonitor.chore(AssignmentManager.java:1605) >> at org.apache.hadoop.hbase.Chore.run(Chore.java:66) Caused by: >> java.net.ConnectException: Connection refused at >> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567) at >> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) >> at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:408) at >> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupIOstreams(HBaseClient.java:328) >> at >> org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:883) >> at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:750) at >> org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:257) at >> $Proxy6.getProtocolVersion(Unknown Source) at >> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:419) at >> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:393) at >> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:444) at >> org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:349) ... 8 >> more >> >> 11/05/15 19:58:27 WARN master.AssignmentManager: Unable to find a viable >> location to assign region -ROOT-,,0.70236052 >> >> Cheers, >> Nathan >> >> >> --Sent from Windows Mobile >> > >
