We had this problem when we first were setting up our cluster. Indeed, check your hosts file, etc.
On Sun, Aug 9, 2009 at 11:29 PM, lei wang<[email protected]> wrote: > ubuntu8.04 server and localhost set to 127.0.0.1， > > On Thu, Aug 6, 2009 at 6:59 PM, Jean-Daniel Cryans <[email protected]>wrote: > >> Well did you search what that exception means? From that forum post, >> http://su.pr/9Eqsre, it seems that your localhost would be set to a >> weird value. Please confirm that your OS network configuration is >> valid. >> >> Also which OS are you using? >> >> Thx, >> >> J-D >> >> On Wed, Aug 5, 2009 at 11:12 PM, lei wang<[email protected]> wrote: >> > can anyone help me? sometime it report such error, but sometime the >> program >> > goes well. >> > Is hbase0.20 still not stable enough? >> > >> ============================================================================================ >> > >> > 2009-08-06 11:09:04 >> > [org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper]-[ERROR] Failed to >> > create ZooKeeper object: java.io.IOException: Unable to establish >> loopback >> > connection >> > org.apache.hadoop.hbase.MasterNotRunningException: java.io.IOException: >> > java.io.IOException: Unable to establish loopback connection >> > at >> > >> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getMaster(HConnectionManager.java:245) >> > at >> org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:72) >> > at >> > >> casia.isiteam.pgroup.lei.util.HbaseClientConnection.getHTableConnection(HbaseClientConnection.java:67) >> > at >> > >> casia.isiteam.pgroup.lei.dataoperater.DataInput.recordListInsert(DataInput.java:143) >> > at >> > casia.isiteam.pgroup.lei.dataoperater.DataInput.main(DataInput.java:63) >> > Caused by: java.io.IOException: java.io.IOException: Unable to establish >> > loopback connection >> > at >> > >> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.<init>(ZooKeeperWrapper.java:90) >> > at >> > >> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getZooKeeperWrapper(HConnectionManager.java:820) >> > at >> > >> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getMaster(HConnectionManager.java:243) >> > ... 4 more >> > Caused by: java.io.IOException: Unable to establish loopback connection >> > at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source) >> > at java.security.AccessController.doPrivileged(Native Method) >> > at sun.nio.ch.PipeImpl.<init>(Unknown Source) >> > at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source) >> > at java.nio.channels.Pipe.open(Unknown Source) >> > at sun.nio.ch.WindowsSelectorImpl.<init>(Unknown Source) >> > at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source) >> > at java.nio.channels.Selector.open(Unknown Source) >> > at org.apache.zookeeper.ClientCnxn.<init>(ClientCnxn.java:140) >> > at org.apache.zookeeper.ClientCnxn.<init>(ClientCnxn.java:261) >> > at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:346) >> > at >> > >> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.<init>(ZooKeeperWrapper.java:87) >> > ... 6 more >> > Caused by: java.net.SocketException: Invalid argument: listen >> > at sun.nio.ch.ServerSocketChannelImpl.listen(Native Method) >> > at sun.nio.ch.ServerSocketChannelImpl.bind(Unknown Source) >> > at sun.nio.ch.ServerSocketAdaptor.bind(Unknown Source) >> > at sun.nio.ch.ServerSocketAdaptor.bind(Unknown Source) >> > ... 18 more >> > >> > -- http://www.roadtofailure.com -- The Fringes of Scalability, Social Media, and Computer Science
