ERROR 1066: Unable to open iterator for alias log

gistfile1.txt

hdfs@hadoop-prod-growthui:~$ cat /var/lib/hdfs/pig_1364556796933.log
Pig Stack Trace
---------------
ERROR 1066: Unable to open iterator for alias log

org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias log
  at org.apache.pig.PigServer.openIterator(PigServer.java:836)
  at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:696)
	at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:320)
	at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:194)
	at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:170)
	at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
	at org.apache.pig.Main.run(Main.java:604)
	at org.apache.pig.Main.main(Main.java:157)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
Caused by: java.io.IOException: Job terminated with anomalous status FAILED
	at org.apache.pig.PigServer.openIterator(PigServer.java:828)
	... 12 more
================================================================================


hdfs@hadoop-prod-growthui:~$ pig -x mapred
grunt> X = LOAD 'hdfs://hadoop-prod-master.vpc:8020/test_transition/*'
grunt> dump X