Hi, I tried Hive 2.1.1 and got following error:
java.io.IOException: com.google.protobuf.ServiceException: java.lang.IncompatibleClassChangeError: Class com.google.protobuf.UnmodifiableLazyStringList does not implement the requested interface com.google.protobuf.ProtocolStringList OS: RH7 Java: 1.8 Hadoop: v2.7.3 Hive: 2.1.1 (from bin tarball) Protobuf: 2.5.0 Any idea to resolve it? Detail log: Thread-9] retry.RetryInvocationHandler: Exception while invoking addBlock of class ClientNamenodeProtocolTranslatorPB over java.io.IOException: com.google.protobuf.ServiceException: java.lang.IncompatibleClassChangeError: Class com.google.protobuf.UnmodifiableLazyStringList does not implement the requested interface com.google.protobuf.ProtocolStringList at org.apache.hadoop.ipc.ProtobufHelper.getRemoteException(ProtobufHelper.java:47) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:420) 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:498) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:191) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) at com.sun.proxy.$Proxy29.addBlock(Unknown Source) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1455) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1251) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:448) Caused by: com.google.protobuf.ServiceException: java.lang.IncompatibleClassChangeError: Class com.google.protobuf.UnmodifiableLazyStringList does not implement the requested interface com.google.protobuf.ProtocolStringList at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:243) at com.sun.proxy.$Proxy28.addBlock(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:418) Regards Ascot