@naveensangam  @jepe_desu  In reference to Invalid KDC administrator credentials issue raised by @naveensangam    I wrote a walkthrough of the solution that resolved the issue for other users like @jepe_desu  who had encountered exactly the same problem.  @naveensangam  can you update the thread if my solution resolved your issue or if not can you share what errors you have. Once you accept an answer it can be referenced by other members for similar issues rather than starting a new thread.    Happy  hadooping   ... View more

Hi,   Did you checked what process is running on this port and tried killing the process if required?  if the issue got solved?   Thanks AKR ... View more

i am interesting too ... View more

@tsharma In my cluster I do see that after enabling Kerberos yarn.acl.enable was set to true. I am not sure though.. ... View more