You may be hitting this: https://issues.apache.org/jira/browse/HBASE-5481 --Suraj
On Sun, Apr 8, 2012 at 11:36 AM, Mikael Sitruk <[email protected]> wrote: > Hi devs. > > I have a strange situation with my cluster when an address cannot be > resolved. > Few days ago I had two entries in a DNS file, so a computer could be found > either via <host name> or <hostname>.<domain> > Now the domain entries in the DNS resolving was removed, (so only the short > name exists) when i try to start the cluster the master fail indicating > that the server address cannot be resolved see below... > Any help appreciated??? > BTW this is hadoop-1.0.0 and HBase-0.92.0 > > 2012-04-08 21:06:45,496 INFO > org.apache.hadoop.hbase.catalog.CatalogTracker: Failed verification of > -ROOT-,,0 at address=server118,60020,1333842630426; > org.apache.hadoop.hbase.NotServingRegionException: org.apache.had > oop.hbase.NotServingRegionException: Region is not online: -ROOT-,,0 > 2012-04-08 21:06:45,497 INFO > org.apache.hadoop.hbase.catalog.RootLocationEditor: Unsetting ROOT region > location in ZooKeeper > 2012-04-08 21:06:45,969 INFO > org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED > event for -ROOT-,,0.70236052 from server119,60020,1333908308851; deleting > unassigned node > 2012-04-08 21:06:45,973 INFO > org.apache.hadoop.hbase.master.AssignmentManager: The master has opened the > region -ROOT-,,0.70236052 that was online on server119,60020,1333908308851 > 2012-04-08 21:06:45,976 INFO org.apache.hadoop.hbase.master.HMaster: -ROOT- > assigned=1, rit=false, location=server119,60020,1333908308851 > 2012-04-08 21:06:46,041 FATAL org.apache.hadoop.hbase.master.HMaster: > Master server abort: loaded coprocessors are: [] > 2012-04-08 21:06:46,042 FATAL org.apache.hadoop.hbase.master.HMaster: > Unhandled exception. Starting shutdown. > java.net.UnknownHostException: unknown host: server116.<domain> > at > org.apache.hadoop.hbase.ipc.HBaseClient$Connection.<init>(HBaseClient.java:227) > at > org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:1016) > at > org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:878) > at > org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150) > at $Proxy12.getProtocolVersion(Unknown Source) > at > org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:183) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:303) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:280) > at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:332) > at > org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:236) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1278) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1235) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1222) > at > org.apache.hadoop.hbase.catalog.CatalogTracker.getCachedConnection(CatalogTracker.java:564) > at > org.apache.hadoop.hbase.catalog.CatalogTracker.getMetaServerConnection(CatalogTracker.java:422) > at > org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMeta(CatalogTracker.java:478) > at > org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMetaServerConnection(CatalogTracker.java:503) > at > org.apache.hadoop.hbase.catalog.CatalogTracker.verifyMetaRegionLocation(CatalogTracker.java:674) > at > org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:575) > at > org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:491) > at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:326) > at java.lang.Thread.run(Thread.java:662) > 2012-04-08 21:06:46,044 INFO org.apache.hadoop.hbase.master.HMaster: > Aborting > 2012-04-08 21:06:46,044 INFO org.apache.hadoop.ipc.HBaseServer: Stopping > server on 60000 > > Mikael.S
