Isn't hbase.zookeeper.quorum suppose to contain only the address of the HBase master instead of all the region servers?
On Thu, Aug 22, 2013 at 8:01 PM, Pavan Sudheendra <[email protected]>wrote: > Vamshi and Jay .. Can you both share your /etc/hosts file? > > I have the exact same problem .. All my namenode cluster just log this > connection refused when they are to log something useful for de-bugging.. > But for me HBase region server tries to connect to localhost when i want it > to connect it to its master.. > > > On Thu, Aug 22, 2013 at 7:24 PM, Jay Vyas <[email protected]> wrote: > >> Yes this sounds like a zookeeper DNS error. >> >> I just ran into these type of issues a few months ago and wrote up my >> solutions to the 3 main hbase communication/setup errors I got. >> >> See if this helps >> http://jayunit100.blogspot.com/2013/05/debugging-hbase-installation.html >> >> Also Make sure iptables are off etc.. >> >> On Aug 22, 2013, at 6:02 AM, Vamshi Krishna <[email protected]> wrote: >> >> > Hi I setup a hbase cluster of 2 machines. >> > >> > Master Machine (vamshi_RS) running both master & Regionserver >> > slave machine - Running only Region server. >> > >> > After i ran start-hbase.sh all the daemons are starting perfectly but >> after >> > some time Regionserver on slave machine is stopping. >> > >> > I analysed the region server log and below is the log content. >> > Some how the Region server machine is not able to communicate with the >> > zookeeper (I guess). Is that the reason..? >> > >> > Please look at my hbase-site.xml below (after log content), which is >> same >> > in both the machines and kindly let me know the solution for this issue. >> > >> > >> > 2013-08-22 14:03:25,023 INFO org.apache.zookeeper.ZooKeeper: Initiating >> > client connection, connectString=vamshi_RS:2181 sessionTimeout=180000 >> > watcher=regionserver:60020 >> > 2013-08-22 14:03:25,033 INFO >> > org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: The identifier >> of >> > this process is 7426@vamshi >> > 2013-08-22 14:03:25,038 INFO org.apache.zookeeper.ClientCnxn: Opening >> > socket connection to server vamshi_RS/192.168.1.57:2181. Will not >> attempt >> > to authenticate using SASL (Unable to locate a login configuration) >> > 2013-08-22 14:04:28,171 WARN org.apache.zookeeper.ClientCnxn: Session >> 0x0 >> > for server null, unexpected error, closing socket connection and >> attempting >> > reconnect >> > java.net.ConnectException: Connection timed out >> > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> > at >> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) >> > at >> > >> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) >> > at >> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068) >> > 2013-08-22 14:04:28,287 WARN >> > org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Possibly >> transient >> > ZooKeeper exception: >> > org.apache.zookeeper.KeeperException$ConnectionLossException: >> > KeeperErrorCode = ConnectionLoss for /hbase/master >> > 2013-08-22 14:04:28,287 INFO org.apache.hadoop.hbase.util.RetryCounter: >> > Sleeping 2000ms before retry #1... >> > 2013-08-22 14:04:29,282 INFO org.apache.zookeeper.ClientCnxn: Opening >> > socket connection to server vamshi_RS/192.168.1.57:2181. Will not >> attempt >> > to authenticate using SASL (Unable to locate a login configuration) >> > 2013-08-22 14:05:32,425 WARN org.apache.zookeeper.ClientCnxn: Session >> 0x0 >> > for server null, unexpected error, closing socket connection and >> attempting >> > reconnect >> > java.net.ConnectException: Connection timed out >> > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> > at >> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) >> > at >> > >> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) >> > at >> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068) >> > 2013-08-22 14:05:32,526 WARN >> > org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: Possibly >> transient >> > ZooKeeper exception: >> > org.apache.zookeeper.KeeperException$ConnectionLossException: >> > KeeperErrorCode = ConnectionLoss for /hbase/master >> > 2013-08-22 14:05:32,526 INFO org.apache.hadoop.hbase.util.RetryCounter: >> > Sleeping 4000ms before retry #2... >> > 2013-08-22 14:05:33,526 INFO org.apache.zookeeper.ClientCnxn: Opening >> > socket connection to server vamshi_RS/192.168.1.57:2181. Will not >> attempt >> > to authenticate using SASL (Unable to locate a login configuration) >> > 2013-08-22 14:06:36,617 WARN org.apache.zookeeper.ClientCnxn: Session >> 0x0 >> > for server null, unexpected error, closing socket connection and >> attempting >> > reconnect >> > java.net.ConnectException: Connection timed out >> > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> > at >> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) >> > at >> > >> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) >> > at >> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068) >> > . >> > . >> > . >> > >> > >> > hbase-site.xml: >> > >> > <property> >> > <name>hbase.rootdir</name> >> > >> > >> <!--value>hdfs://vamshi:54310/home/biginfolabs/BILSftwrs/hbase-0.94.10/data/</value--> >> > <value>/home/biginfolabs/BILSftwrs/hbase-0.94.10/hbstmp/</value> >> > </property> >> > >> > <property> >> > <name>hbase.cluster.distributed</name> >> > <value>true</value> >> > </property> >> > <property> >> > <name>hbase.master</name> >> > <value>vamshi_RS</value> >> > </property> >> > <property> >> > <name>hbase.zookeeper.property.clientPort</name> >> > <value>2181</value> >> > </property> >> > >> > <property> >> > <name>hbase.hregion.max.filesize</name> >> > <value>50</value> >> > </property> >> > >> > <property> >> > <name>hbase.balancer.period</name> >> > <value>60000</value> >> > </property> >> > >> > <property> >> > <name>hbase.zookeeper.quorum</name> >> > <value>vamshi_RS</value> >> > </property> >> > <property> >> > <name>hbase.zookeeper.property.dataDir</name> >> > <value>/home/biginfolabs/BILSftwrs/hbase-0.94.10/zkptmp</value> >> > </property> >> > <property> >> > <name>hbase.client.scanner.caching</name> >> > <value>1000</value> >> > <description>Number of rows that will be fetched when calling next >> > </description> >> > </property> >> > <property> >> > <name>hbase.zookeeper.property.maxClientCnxns</name> >> > <value>1024</value> >> > </property> >> > >> > <property> >> > <name>hbase.coprocessor.user.region.classes</name> >> > <value>com.bil.coproc.ColumnAggregationEndpoint</value> >> > </property> >> > >> > -- >> > *Regards* >> > * >> > Vamshi Krishna >> > * >> > > > > -- > Regards- > Pavan > -- Regards- Pavan
