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via hadoop-pig-user by Santhosh Srinivasan, 1 year ago
Unknown type Unknown at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase. map(PigMapBase.java:178)
java.io.IOException: Unknown type Unknown
	at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.
map(PigMapBase.java:178)	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapOnly$Map.map(PigMapOnly.java:65)	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:227)	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207)