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HBase集群安装过程中的问题集锦

news 来源：原创 2024/5/2 8:41:14

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>200000</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
View Code

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。

转载于:https://www.cnblogs.com/likehua/p/3850253.html

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