YARN and Kerberos: Client <-> ApplicationMaster RPC

2016-04-18 Thread K. N. Ramachandran
Hello all, We have a legacy YARN Application code and we were looking at the changes needed to allow this to run on a Kerberos cluster. The AM (ApplnMaster) builds an RPC Server and the Client connects to this to get status updates and program output. 1) Is there an example for this kind of RPC S

Re: Hadoop Kerberos - Authentication issue IPC Server/Client

2016-03-21 Thread K. N. Ramachandran
the source of this error. Can anyone give any further suggestions on where I should look? On Fri, Mar 18, 2016 at 5:57 PM, K. N. Ramachandran wrote: > Hi, > > I have a Kerberos setup with Hadoop (single node cluster) in an Ubuntu > environment (VirtualBox setup). > > We are us

Hadoop Kerberos - Authentication issue IPC Server/Client

2016-03-19 Thread K. N. Ramachandran
Hi, I have a Kerberos setup with Hadoop (single node cluster) in an Ubuntu environment (VirtualBox setup). We are using a variant of a Yarn application and the Client.java in this variant opens a socket for communicating to the ApplicationMaster and receiving messages. Without Kerberos, this wor