Hadoop Pseudo-Distributed Operation error: Protocol message tag had invalid wire type

Question

I am setting up a Hadoop 2.6.0 Single Node Cluster. I follow the hadoop-common/SingleCluster documentation. I work on Ubuntu 14.04. So far I have m

Answer 1

i got this error once when i was uploading files to hdfs from java code ,The issue was that i was using hadoop 1 jar to connect to hadoop 2 installation,not sure whats the problem in your case but if you ever configured hadoop 1 eariler then something must be messing with it