解决 Failed on local exception: com.google.protobuf.InvalidProtocolBufferException: Protocol message

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这个错误主要是端口号写错了，我来演示一下错误

[root@hadoop1 ~]# hdfs dfs -ls hdfs://192.168.0.37:50070/
ls: Failed on local exception: com.google.protobuf.InvalidProtocolBufferException: Protocol message end-group tag did not match expected tag.; Host Details : local host is: "hadoop1/192.168.0.37"; destination host is: "hadoop1":50070;

那么怎么获取正确的端口号呢？
hdfs getconf -confKey fs.default.name

获取正确的端口号就可以正常访问hdfs啦！