Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via incubator-pig-user by Santhosh Srinivasan, 28 minutes ago
via incubator-pig-user by ANKUR GOEL, 28 minutes ago
via hadoop-pig-user by ANKUR GOEL, 1 year ago
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)