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如果我尝试启动 hbase，hmaster 没有运行并且低于错误。从谷歌我试过这是因为类路径不匹配所以我将 hadoop jar 复制到 hbase/lib 中，但我仍然遇到错误。

FATAL master.HMaster: Unhandled exception. Starting shutdown.
org.apache.hadoop.ipc.RemoteException: Server IPC version 7 cannot communicate with client version 4
    at org.apache.hadoop.ipc.Client.call(Client.java:1070)
    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:561)
    at org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:94)
    at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:482)
    at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:344)
    at java.lang.Thread.run(Thread.java:722)
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1 回答 1

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如果是 Classpath 错误，请尝试将$HBASE_HOME/conf/和添加$HBASE_HOME/lib/到您的$HADOOP_CLASSPATH. 后者可以设置在$HADOOP_HOME/conf/hadoop-env.sh. 对我来说，它就是这样工作的。

于 2013-01-09T09:34:32.527 回答