hadoop ssh could not resolve hostname


Error Scenario: Mapreduce job stuck at map 0% reduce 0%. :¬†Could not resolve hostname [crayon-5ce4a24aaf608949603405/] Mapreduce jobs are not running. And the below error message is coming when starting HDFS daemons. [crayon-5ce4a24aaf61f071912672/] 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%