$ bin/hadoop fs -ls / Found 2 items drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:28 /hbase drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:17 /tmp
$ bin/hadoop fs -ls /hbase Found 4 items drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:26 /hbase/-ROOT- drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:17 /hbase/.META. drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:39 /hbase/.logs -rw-r--r-- 3 alaukik supergroup 3 2010-11-16 23:17 /hbase/hbase.version This also seems to fine. What could be the reason? :S Also, when does HMaster give the following in its Log: Failed to read: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode for /hbase/master Alaukik On Wed, Nov 17, 2010 at 2:03 AM, Hari Sreekumar <hsreeku...@clickable.com> wrote: > No, for pseudo distributed mode, you shouldn't set hbase.cluster.distributed > to true. /etc/hosts seems to be fine. And HMaster is running fine as per the > log file. Did you try browsing root in HDFS? (dfs -ls /). Has a directory > named hbase been created automatically? Does it contain anything? > > On Wed, Nov 17, 2010 at 11:06 AM, Alaukik Aggarwal < > alaukik.aggar...@gmail.com> wrote: > >> 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 >> >> >> > >> >
