Hi If i remember correctly this issue was fixed in later versions of 0.90.0. Could you try this in other versions and see if this problem persists..ideally it should not.
Regards Ram ----- Original Message ----- From: "V.Sriram" <[email protected]> Date: Tuesday, November 1, 2011 3:01 pm Subject: RE: Hbase Multiple Master issue To: [email protected] > > I am using 0.90.0 version > > regards, > V.Sriram > > > Ramkrishna S Vasudevan wrote: > > > > Hi > > > > What version of HBase are you using? > > > > Regards > > Ram > > > > > > > > -----Original Message----- > > From: V.Sriram [mailto:[email protected]] > > Sent: Tuesday, November 01, 2011 12:58 PM > > To: [email protected] > > Subject: Hbase Multiple Master issue > > > > > > Hi all, > > > > I am evaluating HBase Multiple master utility as I require that > > funtionality. I used a simple 4 machine hbase cluster with M1 as > master.> Now > > I started the Hmaster in M4 as well. I could see logs in M4 > Master log as, > > This HMaster is waiting as already M1 is acting as HMaster. > > > > After this I stopped the Master in the M1 and after few seconds, > the M4 > > master took over. But I am not seeing any region server > communicating to > > this new master. The region server logs show, > > > > 2011-10-31 23:21:18,834 WARN > > org.apache.hadoop.hbase.regionserver.HRegionServer: Unable to > connect to > > master. Retrying. Error was: > > java.net.ConnectException: Connection refused > > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > > at > > > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)> > at > > > org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:2> > 06) > > at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404) > > at > > > org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupIOstreams(HBaseClien> > t.java:311) > > at > > > org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:865)> > at > > org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:732) > > at > > > org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:257)> > at $Proxy3.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) > > at > > > org.apache.hadoop.hbase.regionserver.HRegionServer.getMaster(HRegionServer.j> > ava:1443) > > at > > > org.apache.hadoop.hbase.regionserver.HRegionServer.tryRegionServerReport(HRe> > gionServer.java:737) > > at > > > org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:58> > 6) > > at java.lang.Thread.run(Thread.java:619) > > > > Also in the M4 Master log I am seeing, > > > > 2011-10-31 23:20:47,671 INFO org.apache.hadoop.http.HttpServer: > > listener.getLocalPort() returned 60010 > > webServer.getConnectors()[0].getLocalPort() returned 60010 > > 2011-10-31 23:20:47,671 INFO org.apache.hadoop.http.HttpServer: > Jetty> bound > > to port 60010 > > 2011-10-31 23:20:47,671 INFO org.mortbay.log: jetty-6.1.26 > > 2011-10-31 23:20:48,691 INFO org.mortbay.log: Started > > [email protected]:60010 > > 2011-10-31 23:20:48,691 DEBUG > org.apache.hadoop.hbase.master.HMaster:> Started service threads > > 2011-10-31 23:20:50,192 INFO > org.apache.hadoop.hbase.master.ServerManager:> Waiting on > regionserver(s) to checkin > > 2011-10-31 23:20:51,695 INFO > org.apache.hadoop.hbase.master.ServerManager:> Waiting on > regionserver(s) to checkin > > 2011-10-31 23:20:53,197 INFO > org.apache.hadoop.hbase.master.ServerManager:> Waiting on > regionserver(s) to checkin > > > > Seems the region servers are only communicating to the M1 Hmaster > and not > > to > > the new one!! > > > > Any help regarding this is highly appreciated :handshake: > > -- > > View this message in context: > > http://old.nabble.com/Hbase-Multiple-Master-issue- > tp32757197p32757197.html> Sent from the HBase User mailing list > archive at Nabble.com. > > > > > > > > -- > View this message in context: http://old.nabble.com/Hbase-Multiple- > Master-issue-tp32757197p32757528.html > Sent from the HBase User mailing list archive at Nabble.com. > >
