I am having a pseudo-distributed single cluster Ubuntu machine. I have written a simple pig latin script which runs fine while using mapreduce as execution mode. But when i use tez as excution mode using -x switch then i got following error
2015-08-17 17:12:22,344 [PigTezLauncher-0] ERROR org.apache.pig.backend.hadoop.executionengine.tez.TezJob - Cannot submit DAG org.apache.tez.dag.api.SessionNotRunning: TezSession has already shutdown at org.apache.tez.client.TezClient.waitTillReady(TezClient.java:603) at org.apache.pig.backend.hadoop.executionengine.tez.TezSessionManager.createSession(TezSessionManager.java:100) at org.apache.pig.backend.hadoop.executionengine.tez.TezSessionManager.getClient(TezSessionManager.java:195) at org.apache.pig.backend.hadoop.executionengine.tez.TezJob.run(TezJob.java:159) at org.apache.pig.backend.hadoop.executionengine.tez.TezLauncher$1.run(TezLauncher.java:167) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)
I want to know meaning of this exception and how to resolve this issue.
RESOLVED: Problem is with version of pig and tez. Installed tez 0.5 with pig 0.14 and it worked.
