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. angularjs之插件ngRoute和ngAnimate

    使用ngRoute和ngAnimate配合使用,可以实现页面切换的效果. 如果有使用过swiper,就知道这个效果是怎么样的. 代码: <!DOCTYPE html> <html l ...

  2. IllegalStateException : Web app root system property already set to different value问题详解

    一.问题描述     最近公司有了一个新项目,这个项目最近部署到测试服务器上的时候出现了一个问题. 严重: Exception sending context initialized event to ...

  3. 使用Ambari安装hadoop集群

    最近需要做些spark的工作,所以弄了几台dell7500就这么准备开始搭建集群,之前用过几台更破的台式机搭建过一次,折腾了半个月之久,终于成功搭建,这次不想走老路,所以网上查了一下,发现一个神器AM ...

  4. 微信js SDK接口

    微信JS-SDK说明文档 http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html 一.微信登录功能 在进行微信OAut ...

  5. java.io.File中的pathSeparator与separator的差异

    先总的说一下区别: File.pathSeparator指的是分隔连续多个路径字符串的分隔符,例如: java -cp test.jar;abc.jar HelloWorld 就是指";&q ...

  6. 30天C#基础巩固----查找XML文件元素

    一:XML文档 了解xml文档. 利用代码来创建XML文档. //引用命名空间+using System.Xml; XmlDocument xdoc=new XmlDocument(); XmlDec ...

  7. MySqlHelper、CacheHelper

    MySqlHelper代码: using System; using System.Collections; using System.Collections.Generic; using Syste ...

  8. C#串口通信—传输文件测试

    说明:该程序可能不具备实用性,仅测试用. 一.使用虚拟串口工具VSPD虚拟两个串口COM1和COM2 二.约定 占一个字节,代码如下: using System; using System.Colle ...

  9. LINQ的Contains方法

    此方法,判断集合中是否包含有某一元素. source code: Enumerable.Where(stringArray, n => n.Contains("t"));

  10. Winform开发框架里面使用事务操作的原理及介绍

    在很多情况下,事务是个很有用的东西,可以把一系列的操作组合成一个原子粒度的操作,一旦组合中某个地方出错,可以整个干净的进行滚回,不会留下脏数据:除此之外,事务还能提高批量操作的效率,如在本地SQLit ...