1、HRegionServer启动不正常

在namenode上执行jps,则可看到hbase启动是否正常，进程如下：

[root@master bin]# jps
26341 HMaster
26642 Jps
7840 ResourceManager
7524 NameNode
7699 SecondaryNameNode

由上可见，hadoop启动正常。HBase少了一个进程，猜测应该是有个节点regionserver没有启动成功。

进入节点slave1 ,执行jps查看启动进程：

[root@master bin]# ssh slave1
Last login: Thu Jul 17 17:29:11 2014 from master
[root@slave1 ~]# jps
4296 DataNode
11261 HRegionServer
11512 Jps
11184 QuorumPeerMain

由此可见Slave1节点正常。

进入节点slave2节点，执行jps查看启动进程：

[root@slave2 ~]# jps
3795 DataNode
11339 Jps
11080 QuorumPeerMain

OK，问题找到了 HRegionServer没有启动成功。进入HBase日志：

2014-07-17 09:28:19,392 INFO  [regionserver60020] regionserver.HRegionServer: STOPPED: Unhandled: org.apache.hadoop.hbase.ClockOutOfSyncException: Server slave2,60020,1405560498057 has been rejected; Reported time is too far out of sync with master.  Time difference of 28804194ms > max allowed of 30000ms
        at org.apache.hadoop.hbase.master.ServerManager.checkClockSkew(ServerManager.java:314)
        at org.apache.hadoop.hbase.master.ServerManager.regionServerStartup(ServerManager.java:215)
        at org.apache.hadoop.hbase.master.HMaster.regionServerStartup(HMaster.java:1292)
        at org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$2.callBlockingMethod(RegionServerStatusProtos.java:5085)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2185)
        at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1889)

根据错误日志，可得到slave2和maste机器时间差太多，查看各个系统的时间，果真如此，同步即可。另外一种方法就是配置hbase的配置文件：

配置：hbase.master.maxclockske

<property>
                <name>hbase.master.maxclockskew</name>
                <value></value>
                <description>Time difference of regionserver from master</description>
        </property>

（这种方法不推荐）

2、Zookeeper启动不正常。

　　在启动hbase时，总是报错，提示zookeeper连接不上，查看zookeeper日志，发现：

　　ClientCnxn$SendThread@966] - Opening socket connection to server slave1. Will not attempt to authenticate using SASL (无法定位登录配置)。经过百度可得

由于hosts文件的问题，于是vi /etc/hosts 发现 ip slave1配置中ip错误。汗！幸亏hbase和zookeeper都有日志。于是重启zookeeper和hbase，上述问题解决。

3、HBase shell执行list命令报错。

　　在Hbase shell执行list命令报错：

2014-07-17 14:01:32,384 ERROR [main] zookeeper.ZooKeeperWatcher: hconnection-0x4b936059, quorum=slave2:2181,slave1:2181,master:2181, baseZNode=/hbase Received unexpected KeeperException, re-throwing exception

org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase

        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:1041)

        at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:199)

        at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:479)

        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(HConnectionManager.java:822)

        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.access$200(HConnectionManager.java:544)

        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$StubMaker.makeStubNoRetries(HConnectionManager.java:1517)

        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$StubMaker.makeStub(HConnectionManager.java:1563)

        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$MasterServiceStubMaker.makeStub(HConnectionManager.java:1618)

        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getKeepAliveMasterService(HConnectionManager.java:1826)

        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTableNames(HConnectionManager.java:2542)

        at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getTableNames(HConnectionManager.java:2532)

        at org.apache.hadoop.hbase.client.HBaseAdmin.getTableNames(HBaseAdmin.java:352)

        at org.apache.hadoop.hbase.client.HBaseAdmin.getTableNames(HBaseAdmin.java:368)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:606)

        at org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(JavaMethod.java:450)

        at org.jruby.javasupport.JavaMethod.invokeDirect(JavaMethod.java:311)

        at org.jruby.java.invokers.InstanceMethodInvoker.call(InstanceMethodInvoker.java:59)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:312)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:169)

        at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57)

        at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:63)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:190)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:199)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:312)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:169)

        at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57)

        at org.jruby.ast.LocalAsgnNode.interpret(LocalAsgnNode.java:123)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:169)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:191)

        at org.jruby.RubyClass.finvoke(RubyClass.java:552)

        at org.jruby.RubyBasicObject.send(RubyBasicObject.java:2777)

        at org.jruby.RubyKernel.send(RubyKernel.java:2105)

        at org.jruby.RubyKernel$s$send.call(RubyKernel$s$send.gen:65535)

        at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroOrOneOrNBlock.call(JavaMethod.java:266)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:312)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:169)

        at org.jruby.ast.FCallSpecialArgNode.interpret(FCallSpecialArgNode.java:39)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:111)

        at org.jruby.runtime.InterpretedBlock.evalBlockBody(InterpretedBlock.java:374)

        at org.jruby.runtime.InterpretedBlock.yield(InterpretedBlock.java:295)

        at org.jruby.runtime.InterpretedBlock.yieldSpecific(InterpretedBlock.java:229)

        at org.jruby.runtime.Block.yieldSpecific(Block.java:99)

        at org.jruby.ast.ZYieldNode.interpret(ZYieldNode.java:25)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.RescueNode.executeBody(RescueNode.java:216)

        at org.jruby.ast.RescueNode.interpretWithJavaExceptions(RescueNode.java:120)

        at org.jruby.ast.RescueNode.interpret(RescueNode.java:110)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:169)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:191)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:302)

        at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:144)

        at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:153)

        at org.jruby.ast.FCallSpecialArgBlockNode.interpret(FCallSpecialArgBlockNode.java:34)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.RescueNode.executeBody(RescueNode.java:216)

        at org.jruby.ast.RescueNode.interpretWithJavaExceptions(RescueNode.java:120)

        at org.jruby.ast.RescueNode.interpret(RescueNode.java:110)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:233)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:215)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:332)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:203)

        at org.jruby.ast.CallSpecialArgNode.interpret(CallSpecialArgNode.java:69)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:233)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:215)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:332)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:203)

        at org.jruby.ast.FCallSpecialArgNode.interpret(FCallSpecialArgNode.java:41)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:190)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:199)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:312)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:169)

        at org.jruby.ast.CallSpecialArgNode.interpret(CallSpecialArgNode.java:67)

        at org.jruby.ast.LocalAsgnNode.interpret(LocalAsgnNode.java:123)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:147)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:183)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:292)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:135)

        at org.jruby.ast.VCallNode.interpret(VCallNode.java:86)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.RootNode.interpret(RootNode.java:129)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_EVAL(ASTInterpreter.java:95)

        at org.jruby.evaluator.ASTInterpreter.evalWithBinding(ASTInterpreter.java:166)

        at org.jruby.RubyKernel.evalCommon(RubyKernel.java:1155)

        at org.jruby.RubyKernel.eval(RubyKernel.java:1112)

        at org.jruby.RubyKernel$s$0$3$eval.call(RubyKernel$s$0$3$eval.gen:65535)

        at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:181)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:282)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:71)

        at org.jruby.ast.FCallManyArgsNode.interpret(FCallManyArgsNode.java:60)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:120)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:134)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:174)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:282)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:71)

        at org.jruby.ast.CallManyArgsNode.interpret(CallManyArgsNode.java:59)

        at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:233)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:215)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:332)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:203)

        at org.jruby.ast.CallTwoArgNode.interpret(CallTwoArgNode.java:59)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.ast.RescueNode.executeBody(RescueNode.java:216)

        at org.jruby.ast.RescueNode.interpretWithJavaExceptions(RescueNode.java:120)

        at org.jruby.ast.RescueNode.interpret(RescueNode.java:110)

        at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:111)

        at org.jruby.runtime.InterpretedBlock.evalBlockBody(InterpretedBlock.java:374)

        at org.jruby.runtime.InterpretedBlock.yield(InterpretedBlock.java:295)

        at org.jruby.runtime.InterpretedBlock.yieldSpecific(InterpretedBlock.java:229)

        at org.jruby.runtime.Block.yieldSpecific(Block.java:99)

        at org.jruby.ast.ZYieldNode.interpret(ZYieldNode.java:25)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.EnsureNode.interpret(EnsureNode.java:96)

        at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:212)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:207)

        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.callIter(CachingCallSite.java:187)

        at org.jruby.ast.FCallOneArgBlockNode.interpret(FCallOneArgBlockNode.java:34)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:111)

        at org.jruby.runtime.InterpretedBlock.evalBlockBody(InterpretedBlock.java:374)

        at org.jruby.runtime.InterpretedBlock.yieldSpecific(InterpretedBlock.java:260)

        at org.jruby.runtime.Block.yieldSpecific(Block.java:117)

        at org.jruby.ast.YieldTwoNode.interpret(YieldTwoNode.java:31)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.IfNode.interpret(IfNode.java:117)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.ast.RescueNode.executeBody(RescueNode.java:216)

        at org.jruby.ast.RescueNode.interpretWithJavaExceptions(RescueNode.java:120)

        at org.jruby.ast.RescueNode.interpret(RescueNode.java:110)

        at org.jruby.ast.BeginNode.interpret(BeginNode.java:83)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:111)

        at org.jruby.runtime.InterpretedBlock.evalBlockBody(InterpretedBlock.java:374)

        at org.jruby.runtime.InterpretedBlock.yield(InterpretedBlock.java:295)

        at org.jruby.runtime.InterpretedBlock.yieldSpecific(InterpretedBlock.java:229)

        at org.jruby.runtime.Block.yieldSpecific(Block.java:99)

        at org.jruby.RubyKernel.loop(RubyKernel.java:1439)

        at org.jruby.RubyKernel$s$0$0$loop.call(RubyKernel$s$0$0$loop.gen:65535)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:302)

        at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:144)

        at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:153)

        at org.jruby.ast.FCallNoArgBlockNode.interpret(FCallNoArgBlockNode.java:32)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_BLOCK(ASTInterpreter.java:111)

        at org.jruby.runtime.InterpretedBlock.evalBlockBody(InterpretedBlock.java:374)

        at org.jruby.runtime.InterpretedBlock.yield(InterpretedBlock.java:347)

        at org.jruby.runtime.InterpretedBlock.yield(InterpretedBlock.java:304)

        at org.jruby.runtime.Block.yield(Block.java:130)

        at org.jruby.RubyContinuation.enter(RubyContinuation.java:106)

        at org.jruby.RubyKernel.rbCatch(RubyKernel.java:1212)

        at org.jruby.RubyKernel$s$1$0$rbCatch.call(RubyKernel$s$1$0$rbCatch.gen:65535)

        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.callIter(CachingCallSite.java:187)

        at org.jruby.ast.FCallOneArgBlockNode.interpret(FCallOneArgBlockNode.java:34)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:169)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:191)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:302)

        at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:144)

        at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:153)

        at org.jruby.ast.CallNoArgBlockNode.interpret(CallNoArgBlockNode.java:64)

        at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)

        at org.jruby.ast.BlockNode.interpret(BlockNode.java:71)

        at org.jruby.evaluator.ASTInterpreter.INTERPRET_METHOD(ASTInterpreter.java:74)

        at org.jruby.internal.runtime.methods.InterpretedMethod.call(InterpretedMethod.java:147)

        at org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:183)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:292)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:135)

        at root.hadoop.hbase.bin.hirb.block_2$RUBY$start(/root/hadoop/hbase/bin/hirb.rb:185)

        at root$hadoop$hbase$bin$hirb$block_2$RUBY$start.call(root$hadoop$hbase$bin$hirb$block_2$RUBY$start:65535)

        at org.jruby.runtime.CompiledBlock.yield(CompiledBlock.java:112)

        at org.jruby.runtime.CompiledBlock.yield(CompiledBlock.java:95)

        at org.jruby.runtime.Block.yield(Block.java:130)

        at org.jruby.RubyContinuation.enter(RubyContinuation.java:106)

        at org.jruby.RubyKernel.rbCatch(RubyKernel.java:1212)

        at org.jruby.RubyKernel$s$1$0$rbCatch.call(RubyKernel$s$1$0$rbCatch.gen:65535)

        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.callIter(CachingCallSite.java:187)

        at root.hadoop.hbase.bin.hirb.method__5$RUBY$start(/root/hadoop/hbase/bin/hirb.rb:184)

        at root$hadoop$hbase$bin$hirb$method__5$RUBY$start.call(root$hadoop$hbase$bin$hirb$method__5$RUBY$start:65535)

        at org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:203)

        at org.jruby.internal.runtime.methods.CompiledMethod.call(CompiledMethod.java:255)

        at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:292)

        at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:135)

        at root.hadoop.hbase.bin.hirb.__file__(/root/hadoop/hbase/bin/hirb.rb:190)

        at root.hadoop.hbase.bin.hirb.load(/root/hadoop/hbase/bin/hirb.rb)

        at org.jruby.Ruby.runScript(Ruby.java:697)

        at org.jruby.Ruby.runScript(Ruby.java:690)

        at org.jruby.Ruby.runNormally(Ruby.java:597)

        at org.jruby.Ruby.runFromMain(Ruby.java:446)

        at org.jruby.Main.doRunFromMain(Main.java:369)

        at org.jruby.Main.internalRun(Main.java:258)

        at org.jruby.Main.run(Main.java:224)

        at org.jruby.Main.run(Main.java:208)

        at org.jruby.Main.main(Main.java:188)

2014-07-17 14:01:32,387 ERROR [main] client.HConnectionManager$HConnectionImplementation: Can't get connection to ZooKeeper: KeeperErrorCode = ConnectionLoss for /hbase

关键错误信息：client.HConnectionManager$HConnectionImplementation: Can't get connection to ZooKeeper: KeeperErrorCode = ConnectionLoss for /hbase。根据信息可以判断zk无法连接。执行jps查看zk都正常。查看hbase-site.xml中zk节点配置正常。根据经验，应该是防火墙没有关闭，2181端口无法访问。ok执行service iptables stop关闭防火墙，重启hbase。进入hbase shell，执行list:

hbase(main):001:0> list
TABLE
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/root/hadoop/hbase/lib/slf4j-log4j12-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/root/hadoop/hadoop-2.2.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
2014-07-17 14:06:26,013 WARN  [main] util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
0 row(s) in 1.0070 seconds

=> []

一切正常，问题解决。

4、HBase Shell 增删改异常。

　　在hbase shell上做增删改就会报异常，

zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect。
经判断是hbase版本的jar包和hadoop中的jar包不兼容的问题。解决方法：将hadoop中hadoop-2.2.0相关的jar包copy过来（${HABASE_HOME}/lib）替换即可。

HBase集群安装过程中的问题集锦的更多相关文章

  1. hadoop1.2.1+zk-3.4.5+hbase-0.94.1集群安装过程详解

    hadoop1.2.1+zk-3.4.5+hbase-0.94.1集群安装过程详解 一,环境: 1,主机规划: 集群中包括3个节点:hadoop01为Master,其余为Salve,节点之间局域网连接 ...

  2. hbase单机环境的搭建和完全分布式Hbase集群安装配置

    HBase 是一个开源的非关系(NoSQL)的可伸缩性分布式数据库.它是面向列的,并适合于存储超大型松散数据.HBase适合于实时,随机对Big数据进行读写操作的业务环境. @hbase单机环境的搭建 ...

  3. HBase集群安装部署

    0x01 软件环境 OS: CentOS6.5 x64 java: jdk1.8.0_111 hadoop: hadoop-2.5.2 hbase: hbase-0.98.24 0x02 集群概况 I ...

  4. hadoop集群搭建过程中遇到的问题

    在安装配置Hadoop集群的过程中遇到了很多问题,有些是配置导致的,有些是linux系统本身的问题造成的,现在总结如下. 1. hdfs namenode -format出现错误:hdfs namen ...

  5. Hbase集群安装Version1.1.5

    Hbase集群安装,基于版本1.1.5, 使用hbase-1.1.5.tar.gz安装包. 1.安装说明 使用外部Zookeeper集群而非Hbase自带zookeeper, 使用Hadoop文件系统 ...

  6. hbase集群安装与部署

    1.相关环境 centos7 hadoop2.6.5 zookeeper3.4.9 jdk1.8 hbase1.2.4 本篇文章仅涉及hbase集群的搭建,关于hadoop与zookeeper的相关部 ...

  7. HBase集群安装

    1.HBase的机群搭建过程(在原来的hadoop0上的HBase伪分布基础上进行搭建)1.1 集群结构,主节点(hmaster)是hadoop0,从节点(region server)是hadoop1 ...

  8. HBase学习之路 （二）HBase集群安装

    前提 1.HBase 依赖于 HDFS 做底层的数据存储 2.HBase 依赖于 MapReduce 做数据计算 3.HBase 依赖于 ZooKeeper 做服务协调 4.HBase源码是java编 ...

  9. Apache HBase 集群安装文档

    简介: Apache HBase 是一个分布式的.面向列的开源 NoSQL 数据库.具有高性能.高可靠性.可伸缩.面向列.分布式存储的特性. HBase 的数据文件最终落地在 HDFS 之上,所以在 ...

随机推荐

  1. IO流-文本IO\读写二进制数据

    文本IO 一.简述 OutputStreamWriter类使用选定的编码方式吧Unicode字符流转换为字节流,InputStreamReader类将包含字节的输入流转为可以产生Unicode字符的读 ...

  2. JAVA设计模式《三》

    上一篇为大家介绍了一下关于模板方法模式的实现,后来我发现里面有一点小瑕疵,本篇重新为大家介绍一下关于模板方法模式的实现.另外为大家分享一下关于策略模式的实现. 一.模板方法模式: 对于上一篇为大家介绍 ...

  3. 10034 - Freckles 克鲁斯克尔最小生成树！～

    /* 10034 - Freckles 克鲁斯克尔最小生成树!- */ #include<iostream> #include<cstdio> #include<cmat ...

  4. 【原创】.NET读写Excel工具Spire.Xls使用(4)对数据操作与控制

                  本博客所有文章分类的总目录:http://www.cnblogs.com/asxinyu/p/4288836.html .NET读写Excel工具Spire.Xls使用文章 ...

  5. 如何用Python输出PPT中的文字信息

    在这里,会用到win32com模块 模块下载地址:http://sourceforge.net/projects/pywin32/files/pywin32/ 代码如下: import win32co ...

  6. nodejs生成多层目录和生成文件的通用方法

    /** *生成多层目录 * @param dir 多层目录 * @param split 分隔符,ex:'/' 对应的目录地址:'2015/10/10' * @param mode 目录权限(读写权限 ...

  7. Visual Studio 选择相同变量高亮

    前段时间一直在使用matlab,今天需要使用vs2008,而用惯了matlab,习惯了其中一项选中变量高亮的设置,突然回来使用VS,感到各种不适应,顿时想到了一个词:矫情 呵呵,于是在网上找各种插件, ...

  8. Java多线程系列--“JUC集合”04之 ConcurrentHashMap

    概要 本章是JUC系列的ConcurrentHashMap篇.内容包括:ConcurrentHashMap介绍ConcurrentHashMap原理和数据结构ConcurrentHashMap函数列表 ...

  9. Android基于mAppWidget实现手绘地图（十三）–如何显示/隐藏任意类型的地图对象

    这个很简单,想要显示或隐藏任意类型的地图对象,首先要对地图对象进行分类.不同类型的地图对象放置到不同的地图图层上,然后控制地图图层的显示/隐藏即可. 实例: Layer sportsLayer = m ...

  10. 轻松自动化---selenium-webdriver(python) (三)

     本节重点: 简单对象的定位 -----自动化测试的核心 对象的定位应该是自动化测试的核心,要想操作一个对象,首先应该识别这个对象.一个对象就是一个人一样,他会有各种的特征(属性),如比我们可以通过一 ...