Thanks for your quick reply. $ cat /etc/hosts 127.0.0.1 localhost 192.168.1.2 alaukik
# The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts My OS is Ubuntu 10.04.1. In regionservers.log: Tue Nov 16 23:38:54 EST 2010 Starting regionserver on alaukik ulimit -n 1024 2010-11-16 23:38:55,706 WARN org.apache.hadoop.hbase.regionserver.HRegionServer: Not starting a distinct region server because hbase.cluster.distributed is false Should we set distributed as true? I am trying to run this in pseudo-distributed mode. And on HBase site, it is mentioned that this is set true only in distributed mode. Alaukik On Wed, Nov 17, 2010 at 12:00 AM, Hari Sreekumar <hsreeku...@clickable.com> wrote: > Hi, > hmm... It seems HRegionServer is unable to start because it doesn't see > the HMaster at 192.168.1.2:60000. Can you post your /etc/hosts file? There > might be issues with the wrong IP being reported. What is your OS? > > hari > > On Wed, Nov 17, 2010 at 10:21 AM, Alaukik Aggarwal < > alaukik.aggar...@gmail.com> wrote: > >> Hi, >> >> I am running HBase configured in Pseudo-distributed mode (Hadoop also >> in Pseudo Distributed mode) >> Hadoop version: 0.20.2 >> HBase version: 0.20.6 >> >> On running any command (for instance, list) in HBase shell, it gives me: >> ERROR: org.apache.hadoop.hbase.MasterNotRunningException: null >> >> I can see master running at: http://alaukik:60010/master.jsp >> (Similarly, I can also see namenode running in Web UI). >> >> On jps, I get all the required processes running: >> >> $ jps >> 9513 HQuorumPeer >> 9259 TaskTracker >> 9099 JobTracker >> 9771 Jps >> 8677 NameNode >> 9572 HMaster >> 9019 SecondaryNameNode >> 8848 DataNode >> >> I have attached a fresh log of hbase-master and my hbase-site.xml file. >> >> I cannot see any exception in the log, except a Failed notification: >> Failed to read: org.apache.zookeeper.KeeperException$NoNodeException: >> KeeperErrorCode = NoNode for /hbase/master >> >> Also if I try to access HBase through Java client (exact sample code >> given on apache HBase site), I get the follwoing output: >> 10/11/16 23:46:29 WARN hbase.HBaseConfiguration: instantiating >> HBaseConfiguration() is deprecated. Please use >> HBaseConfiguration#create() to construct a plain Configuration >> 2 >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeperWrapper: Reconnecting to >> zookeeper >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:zookeeper.version=3.3.1-942149, built on 05/07/2010 17:14 >> GMT >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client environment:host.name >> =alaukik >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:java.version=1.6.0_22 >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:java.vendor=Sun Microsystems Inc. >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:java.home=/usr/lib/jvm/java-6-sun-1.6.0.22/jre >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:java.class.path=/home/.............log4j-1.2.15.jar >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> environment:java.library.path=/usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386/server:/usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386:/usr/lib/jvm/java-6-sun-1.6.0.22/jre/../lib/i386:/usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386/client:/usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386:/usr/lib/xulrunner-addons:/usr/lib/xulrunner-addons:/usr/java/packages/lib/i386:/lib:/usr/lib >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:java.io.tmpdir=/tmp >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:java.compiler=<NA> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client environment:os.name >> =Linux >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client environment:os.arch=i386 >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:os.version=2.6.32-25-generic >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client environment:user.name >> =alaukik >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:user.home=/home/alaukik >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> environment:user.dir=/home/alaukik/Documents/workspace/HBaseTest >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Initiating client >> connection, connectString=alaukik:2222 sessionTimeout=60000 >> watcher=org.apache.hadoop.hbase.zookeeper.zookeeperwrap...@1126b07 >> 10/11/16 23:46:29 INFO zookeeper.ClientCnxn: Opening socket connection >> to server alaukik/192.168.1.2:2222 >> 10/11/16 23:46:29 INFO zookeeper.ClientCnxn: Socket connection >> established to alaukik/192.168.1.2:2222, initiating session >> 10/11/16 23:46:29 INFO zookeeper.ClientCnxn: Session establishment >> complete on server alaukik/192.168.1.2:2222, sessionid = >> 0x12c5820cbf80003, negotiated timeout = 60000 >> 10/11/16 23:46:30 INFO client.HConnectionManager$TableServers: >> getMaster attempt 0 of 4 failed; retrying after sleep of 5000 >> java.io.IOException: Call to /192.168.1.2:60000 failed on local >> exception: java.io.EOFException >> at >> org.apache.hadoop.hbase.ipc.HBaseClient.wrapException(HBaseClient.java:779) >> at >> org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:748) >> at >> org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:255) >> at $Proxy0.getProtocolVersion(Unknown Source) >> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:412) >> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:388) >> at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:435) >> at >> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getMaster(HConnectionManager.java:383) >> at >> org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:78) >> at com.gt.hbase.HBase2.main(HBase2.java:30) >> Caused by: java.io.EOFException >> at java.io.DataInputStream.readInt(DataInputStream.java:375) >> at >> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:512) >> at >> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:452) >> >> >> Kindly help, >> Alaukik >> >