https://community.cloudera.com/t5/Support-Questions/INFO-yarn-ApplicationMaster-Unregistering-ApplicationMaster/m-p/230858#M192705 <P>yeah it is happenning with all the jobs and after some time they are picking some other port and start working fine </P><P>what is the thing those jobs trying to find in the port are they trying to find the node manager </P><P>for the successfull jobs i went to the port and did ps -wwf port number where i can find node manager running there</P> Mon, 23 Oct 2017 23:45:36 GMT hadoop_ammiredd 2017-10-23T23:45:36Z