MapReduce job hangs, waiting for AM container to be allocated

Question

I tried to run simple word count as MapReduce job. Everything works fine when run locally (all work done on Name Node). But, when I try to run it on a cluster using YARN (ad

Answer 1

Old question, but I got on the same issue recently and in my case it was due to manually setting the master to local in the code.

Please, search for conf.setMaster("local[*]") and remove it.

Hope it helps.