Redirecting to common-user, you can check hadoop version by using any of the following methods.
CLI : using hadoop version command. bin/hadoop version Web Interface: Check Name node or Job tracker web interface. It will show version number. - Ravi On Fri, Jan 28, 2011 at 11:24 AM, <[email protected]> wrote: > Hello all, > I am having issues with accessing hdfs and I figured its due to version > mismatch. I know my jar files have multiple copies of hadoop (pig has its > own, I have hadoop 0.20.2 and Whirr had its own hadoop copy). My question > how to find the right version of hadoop that matches with the one I > installed? Where is the hadoop version info stored? > > 2011-01-28 14:17:24,729 WARN org.apache.hadoop.ipc.Server: Incorrect header > or version mismatch from xx.xx.xx.xx:57271 got version 4 expected version 3 > > Praveen > >
