那些遇到过的问题

启动 HBase Shell - Zookeeper 存在但失败

use*_*210 5 linux hadoop hbase apache-zookeeper

我正在尝试在 Ubuntu 上运行 HBase。我已经安装了它并且可以启动它（它会抛出一些警告，因为我使用的是 64 位系统，但我被告知我可以忽略这些）。但是，当我尝试启动 shell 时，我收到以下错误消息，但我对此很陌生，因此正在努力弄清楚。它说 Zookeeper 存在但失败了 4 次 - 你知道为什么吗？

2015-12-03 12:34:37,796 WARN  [main] util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
2015-12-03 12:34:54,551 ERROR [main] zookeeper.RecoverableZooKeeper: ZooKeeper exists failed after 4 attempts
2015-12-03 12:34:54,552 WARN  [main] zookeeper.ZKUtil: hconnection-0x2b289ac90x0, quorum=localhost:2181, baseZNode=/hbase Unable to set watcher on znode (/hbase/hbaseid)
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
    at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
    at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
    at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
    at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:221)
    at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:541)
    at org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)
    at org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:105)
    at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId(ConnectionManager.java:879)
    at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:635)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:238)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:218)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:119)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(JavaMethod.java:450)
    at org.jruby.javasupport.JavaMethod.invokeStaticDirect(JavaMethod.java:362)
    at org.jruby.java.invokers.StaticMethodInvoker.call(StaticMethodInvoker.java:58)
    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.InstAsgnNode.interpret(InstAsgnNode.java:95)
    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.call(CachingCallSite.java:148)
    at org.jruby.RubyClass.newInstance(RubyClass.java:822)
    at org.jruby.RubyClass$i$newInstance.call(RubyClass$i$newInstance.gen:65535)
    at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroOrNBlock.call(JavaMethod.java:249)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:292)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:135)
    at home.jordan.hbase_minus_1_dot_1_dot_2.bin.$_dot_dot_.bin.hirb.__file__(/home/jordan/hbase-1.1.2/bin/../bin/hirb.rb:118)
    at home.jordan.hbase_minus_1_dot_1_dot_2.bin.$_dot_dot_.bin.hirb.load(/home/jordan/hbase-1.1.2/bin/../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)
2015-12-03 12:34:54,556 ERROR [main] zookeeper.ZooKeeperWatcher: hconnection-0x2b289ac90x0, quorum=localhost:2181, baseZNode=/hbase Received unexpected KeeperException, re-throwing exception
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
    at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
    at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
    at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
    at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:221)
    at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:541)
    at org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)
    at org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:105)
    at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId(ConnectionManager.java:879)
    at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:635)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:238)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:218)
    at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:119)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(JavaMethod.java:450)
    at org.jruby.javasupport.JavaMethod.invokeStaticDirect(JavaMethod.java:362)
    at org.jruby.java.invokers.StaticMethodInvoker.call(StaticMethodInvoker.java:58)
    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.InstAsgnNode.interpret(InstAsgnNode.java:95)
    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.call(CachingCallSite.java:148)
    at org.jruby.RubyClass.newInstance(RubyClass.java:822)
    at org.jruby.RubyClass$i$newInstance.call(RubyClass$i$newInstance.gen:65535)
    at org.jruby.internal.runtime.methods.JavaMethod$JavaMethodZeroOrNBlock.call(JavaMethod.java:249)
    at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:292)
    at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:135)
    at home.jordan.hbase_minus_1_dot_1_dot_2.bin.$_dot_dot_.bin.hirb.__file__(/home/jordan/hbase-1.1.2/bin/../bin/hirb.rb:118)
    at home.jordan.hbase_minus_1_dot_1_dot_2.bin.$_dot_dot_.bin.hirb.load(/home/jordan/hbase-1.1.2/bin/../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)
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Ted*_*lay 5

发生此问题可能是由于以下一个或所有问题：

  1. hbase-site.xml 中的配置问题：在您选择的编辑器中打开 hbase-site.xml 并确保正确设置以下属性（假设您设置了 HDFS 并在其中创建了 /hbase 目录），

<configuration>
  <property>
    <name>hbase.rootdir</name>
    <value>hdfs://localhost:9000/hbase</value>
  </property>
  <property>
    <name>hbase.zookeeper.property.clientPort</name>
    <value>2182</value>
  </property>
  <property>
    <name>hbase.zookeeper.property.dataDir</name>
    <value>/usr/local/var/zookeeper</value>
  </property>
  <property>
    <name>hbase.master</name>
    <value>localhost:60000</value>
    <description>The host and port that the HBase master runs at.</description>
  </property>
</configuration>
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如果您使用本地目录作为 hbase.rootdir，请将 hdfs://localhost:9000/hbase 替换为 file:///${hbase.rootdir}。

  1. hbase-env.sh 中的配置问题：在您选择的文本编辑器中打开 hbase-env.sh 并从中删除 # 标记

    导出 HBASE_MANAGES_ZK=true

  2. Zookeeper 服务器未启动：通过进入zookeeper 目录启动zookeeper，并在终端执行以下操作，

    bin/zkServer 启动

最后，完成更新这些配置后，重新启动 hbase。

Ama*_*man 1

首先手动启动Zookeeper：

cd /usr/lib/zookeeper/zookeeper-3.3.6
bin/zkServer.sh start
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然后开始Hbase：

start-hbase.sh
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在此之前，您必须为 Zookeeper 文件夹提供必要的权限。

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