Dear Jimmy, I configured the standalone mode successfully. But I wonder why the pseudo distributed one does work.
I checked in logs and got the following exceptions. Does the information give you some hints? Thanks so much for your help again! Best, Bing 2012-02-13 18:25:49,782 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled exception. Starting shutdown. java.net.ConnectException: Call to localhost/127.0.0.1:9000 failed on connection exception: java.net.ConnectException: Connection refuse d at org.apache.hadoop.ipc.Client.wrapException(Client.java:1095) at org.apache.hadoop.ipc.Client.call(Client.java:1071) at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225) at $Proxy10.getProtocolVersion(Unknown Source) at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:396) at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:379) at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:119) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:238) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:203) at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1386) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1404) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:254) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:187) at org.apache.hadoop.hbase.util.FSUtils.getRootDir(FSUtils.java:471) at org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:94) at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:448) at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:326) at java.lang.Thread.run(Thread.java:662) Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567) at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:656) at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:434) at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:560) at org.apache.hadoop.ipc.Client$Connection.access$2000(Client.java:184) at org.apache.hadoop.ipc.Client.getConnection(Client.java:1202) at org.apache.hadoop.ipc.Client.call(Client.java:1046) ... 18 more 2012-02-13 18:25:49,787 INFO org.apache.hadoop.hbase.master.HMaster: Aborting 2012-02-13 18:25:49,787 DEBUG org.apache.hadoop.hbase.master.HMaster: Stopping service threads Thanks so much! Bing On Tue, Feb 14, 2012 at 3:35 AM, Jimmy Xiang <[email protected]> wrote: > In this case, you may just use the standalone mode. You can follow the > quick start step by step. > > The default zookeeper port is 2181, you don't need to configure it. > > > > On Mon, Feb 13, 2012 at 11:28 AM, Bing Li <[email protected]> wrote: > >> Dear Jimmy, >> >> I am a new user of HBase. My experiences in HBase and Hadoop is very >> limited. I just tried to follow some books, such as Hadoop/HBase the >> Definitive Guide. However, I still got some problems. >> >> What I am trying to do is just to set up a pseudo distributed HBase >> environment on a single node. After that, I will start my system >> programming in Java. I hope I could deploy the system in fully distributed >> mode when my system is done. >> >> So what I am configuring is very simple. Do I need to set up the >> zookeeper port in hbase-site.xml? >> >> Thanks so much! >> >> Best, >> Bing >> >> >> On Tue, Feb 14, 2012 at 3:16 AM, Jimmy Xiang <[email protected]> wrote: >> >>> Have you restarted your HBase after the change? What's the zookeeper >>> port does your HMaster use? >>> >>> Can you run the following to checkout where is your HMaster as below? >>> >>> hbase zkcli >>> then: get /hbase/master >>> It should show you master location. >>> >>> It seems you have a distributed installation. How many regionservers do >>> you have? Can you check your >>> master web UI to make sure all look fine. >>> >>> Thanks, >>> Jimmy >>> >>> >>> On Mon, Feb 13, 2012 at 10:51 AM, Bing Li <[email protected]> wrote: >>> >>>> Dear Jimmy, >>>> >>>> Thanks so much for your reply! >>>> >>>> I didn't set up the zookeeper.quorom. After getting your email, I made >>>> a change. Now my hbase-site.xml is as follows. >>>> >>>> <configuration> >>>> <property> >>>> <name>hbase.rootdir</name> >>>> <value>hdfs://localhost:9000/hbase</value> >>>> </property> >>>> <property> >>>> <name>dfs.replication</name> >>>> <value>1</value> >>>> </property> >>>> <property> >>>> <name>hbase.cluster.distributed</name> >>>> <value>true</value> >>>> </property> >>>> <property> >>>> <name>hbase.zookeeper.quorum</name> >>>> <value>localhost</value> >>>> </property> >>>> </configuration> >>>> >>>> The previous error is still existed. I feel weird why HBase developers >>>> cannot provide a reliable description about their work. >>>> >>>> Best, >>>> Bing >>>> >>>> >>>> On Tue, Feb 14, 2012 at 2:16 AM, Jimmy Xiang <[email protected]>wrote: >>>> >>>>> What's your hbase.zookeeper.quorom configuration? You can check out >>>>> this quick start guide: >>>>> >>>>> http://hbase.apache.org/book/quickstart.html >>>>> >>>>> Thanks, >>>>> Jimmy >>>>> >>>>> >>>>> On Mon, Feb 13, 2012 at 10:09 AM, Bing Li <[email protected]> wrote: >>>>> >>>>>> Dear all, >>>>>> >>>>>> After searching on the Web and asking for help from friends, I >>>>>> noticed that >>>>>> the pseudo distributed configuration in the book, HBase the Definitive >>>>>> Guide, was not complete. Now the ZooKeeper related exception is fixed. >>>>>> However, I got another error when typing "status" in the HBase shell. >>>>>> >>>>>> ERROR: org.apache.hadoop.hbase.MasterNotRunningException: Retried 7 >>>>>> Times >>>>>> >>>>>> I am trying to fix it myself. Your help is highly appreciated. >>>>>> >>>>>> Thanks so much! >>>>>> Bing Li >>>>>> >>>>>> On Mon, Feb 13, 2012 at 5:00 AM, Bing Li <[email protected]> wrote: >>>>>> >>>>>> > Dear all, >>>>>> > >>>>>> > I am a new learner of HBase. I tried to set up my HBase on a >>>>>> > pseudo-distributed HDFS. >>>>>> > >>>>>> > After starting HDFS by running ./start-dfs.sh and ./start-hbase.sh, >>>>>> I >>>>>> > started the HBase shell. >>>>>> > >>>>>> > ./hbase shell >>>>>> > >>>>>> > It was started properly. However, when I typed the command, status, >>>>>> as >>>>>> > follows. >>>>>> > >>>>>> > hbase(main):001:0> status >>>>>> > >>>>>> > It got the following exception. Since I had very limited >>>>>> experiences to >>>>>> > use HBase, I could not figure out what the problem was. >>>>>> > >>>>>> > SLF4J: Class path contains multiple SLF4J bindings. >>>>>> > SLF4J: Found binding in >>>>>> > >>>>>> [jar:file:/opt/hbase-0.92.0/lib/slf4j-log4j12-1.5.8.jar!/org/slf4j/impl/StaticLoggerBinder.class] >>>>>> > SLF4J: Found binding in >>>>>> > >>>>>> [jar:file:/opt/hadoop-1.0.0/lib/slf4j-log4j12-1.4.3.jar!/org/slf4j/impl/StaticLoggerBinder.class] >>>>>> > SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an >>>>>> > explanation. >>>>>> > 12/02/13 04:34:01 ERROR zookeeper.RecoverableZooKeeper: ZooKeeper >>>>>> exists >>>>>> > failed after 3 retries >>>>>> > 12/02/13 04:34:01 WARN zookeeper.ZKUtil: hconnection Unable to set >>>>>> watcher >>>>>> > on znode /hbase/master >>>>>> > org.apache.zookeeper.KeeperException$ConnectionLossException: >>>>>> > KeeperErrorCode = ConnectionLoss for /hbase/master >>>>>> > at >>>>>> > org.apache.zookeeper.KeeperException.create(KeeperException.java:99) >>>>>> > at >>>>>> > org.apache.zookeeper.KeeperException.create(KeeperException.java:51) >>>>>> > at >>>>>> org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1003) >>>>>> > at >>>>>> > >>>>>> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:154) >>>>>> > at >>>>>> > >>>>>> org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndCheckExists(ZKUtil.java:226) >>>>>> > at >>>>>> > >>>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:76) >>>>>> > at >>>>>> > >>>>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.setupZookeeperTrackers(HConnectionManager.java:580) >>>>>> > at >>>>>> > >>>>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:569) >>>>>> > at >>>>>> > >>>>>> org.apache.hadoop.hbase.client.HConnectionManager.getConnection(HConnectionManager.java:186) >>>>>> > at >>>>>> > org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:98) >>>>>> > at >>>>>> sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native >>>>>> > Method) >>>>>> > at >>>>>> > >>>>>> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) >>>>>> > at >>>>>> > >>>>>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) >>>>>> > at >>>>>> java.lang.reflect.Constructor.newInstance(Constructor.java:513) >>>>>> > at >>>>>> > >>>>>> org.jruby.javasupport.JavaConstructor.newInstanceDirect(JavaConstructor.java:275) >>>>>> > at >>>>>> > >>>>>> org.jruby.java.invokers.ConstructorInvoker.call(ConstructorInvoker.java:91) >>>>>> > at >>>>>> > >>>>>> org.jruby.java.invokers.ConstructorInvoker.call(ConstructorInvoker.java:178) >>>>>> > at >>>>>> > >>>>>> org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:322) >>>>>> > at >>>>>> > >>>>>> org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:178) >>>>>> > at >>>>>> > >>>>>> org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:182) >>>>>> > at >>>>>> > >>>>>> org.jruby.java.proxies.ConcreteJavaProxy$2.call(ConcreteJavaProxy.java:47) >>>>>> > at >>>>>> > >>>>>> org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:322) >>>>>> > >>>>>> > Could you please give me a hand? Thanks so much! >>>>>> > >>>>>> > Best regards, >>>>>> > Bing >>>>>> > >>>>>> > >>>>>> > >>>>>> >>>>> >>>>> >>>> >>> >> >
