sub*_*bes 2 java rpc hadoop mapreduce protocol-buffers
我正在尝试按照本教程在我安装的本地单节点集群上运行hadoop 2.2.0 mapreduce作业:http: //codesfusion.blogspot.co.at/2013/10/setup-hadoop-2x-220-on- ubuntu.html?m = 1的
虽然在服务器端引发了以下异常:
org.apache.hadoop.ipc.RpcNoSuchProtocolException: Unknown protocol: org.apache.hadoop.yarn.api.ApplicationClientProtocolPB
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.getProtocolImpl(ProtobufRpcEngine.java:527)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:566)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2048)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2042)
有没有办法让我配置Protobuf RPC在服务器端可用?我需要hadoop本地库吗?或者我可以在客户端以某种方式切换到Writables/Avro RPC吗?
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