hadoop ssh name or service not known


Error Scenario: Mapreduce job stuck at map 0% reduce 0%. :¬†Could not resolve hostname [crayon-5dcb8d6cd48bd743263066/] Mapreduce jobs are not running. And the below error message is coming when starting HDFS daemons. [crayon-5dcb8d6cd48d8772168615/] Resolution: These above error messages are received when there is some issue with ssh communication. So, in these […]

Mapreduce job stuck at map 0% reduce 0%