org.apache.hadoop.ipc.RemoteException

Server IPC version 7 cannot communicate with client version 4

Solutions on the web178

  • Server IPC version 7 cannot communicate with client version 4
  • Server IPC version 7 cannot communicate with client version 4
  • Server IPC version 7 cannot communicate with client version 4
  • Stack trace

    • org.apache.hadoop.ipc.RemoteException: Server IPC version 7 cannot communicate with client version 4 at org.apache.hadoop.ipc.Client.call(Client.java:1107) at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229) at sun.proxy.$Proxy5.getProtocolVersion(Unknown Source) 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:616) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:85) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:62) at sun.proxy.$Proxy5.getProtocolVersion(Unknown Source) at org.apache.hadoop.ipc.RPC.checkVersion(RPC.java:422) at org.apache.hadoop.hdfs.DFSClient.createNamenode(DFSClient.java:183) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:281) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:245) at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:100) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1437) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1455) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:254) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:123) at org.apache.hama.bsp.BSPMaster.<init>(BSPMaster.java:317) at org.apache.hama.bsp.BSPMaster.startMaster(BSPMaster.java:489) at org.apache.hama.bsp.BSPMaster.startMaster(BSPMaster.java:475) at org.apache.hama.BSPMasterRunner.run(BSPMasterRunner.java:46) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) at org.apache.hama.BSPMasterRunner.main(BSPMasterRunner.java:56)

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