![Protocal message tag has invalid wire type](https://kumkoniak.com/48.jpg)
![protocal message tag has invalid wire type protocal message tag has invalid wire type](https://www.yi-links.com/Public/attached/image/20190307/20190307074950_30785.jpg)
![protocal message tag has invalid wire type protocal message tag has invalid wire type](https://patentimages.storage.googleapis.com/US20050040974A1/US20050040974A1-20050224-D00045.png)
This is a set of steps I followed on Ubuntu when facing exactly the same problem but with 2.7.1, the steps shouldn't differ much for previous and future version (I'd believe). # The following lines are desirable for IPv6 capable hosts SHUTDOWN_MSG: Shutting down NameNode at marta-komputer/127.0.0.1 I formatted the filesystem: bin/hdfs namenode -formatġ5/05/01 20:30:21 INFO namenode.NameNode: STARTUP_MSG: Last login: Fri May 1 20:28:58 2015 from localhost I managed to connect to localhost: ssh password: When it comes to Hadoop config files, I changed only the files mentioned in the documentation. Host Details : local host is: "marta-komputer/127.0.0.1" destination host is: believe I can ignore the WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform. Mkdir: Failed on local exception: : Protocol message tag had invalid wire type. using builtin-java classes where applicable jps oputut: jpsĨ400 when I try to make the HDFS directories required to execute MapReduce jobs, I receive the following error: bin/hdfs dfs -mkdir /userġ5/05/01 20:36:00 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform. I managed to start NameNode daemon and DataNode daemon. I face an error when trying to perform Pseudo-Distributed Operation. So far I have managed to run Standalone Operation successfully. I follow the hadoop-common/SingleCluster documentation. I am setting up a Hadoop 2.6.0 Single Node Cluster.
![Protocal message tag has invalid wire type](https://kumkoniak.com/48.jpg)