Koji Noguchi created PIG-3270:
---------------------------------
Summary: Union onschema failing at runtime when merging
incompatible types
Key: PIG-3270
URL: https://issues.apache.org/jira/browse/PIG-3270
Project: Pig
Issue Type: Bug
Reporter: Koji Noguchi
{noformat}
t1 = LOAD 'file1.txt' USING PigStorage() AS (a: chararray, b: chararray);
t2 = LOAD 'file2.txt' USING PigStorage() AS (a: chararray, b: float);
tout = UNION ONSCHEMA t1, t2;
dump tout;
{noformat}
Job fails with
2013-04-09 11:37:37,817 [Thread-12] WARN
org.apache.hadoop.mapred.LocalJobRunner - job_local_0001
java.lang.Exception: org.apache.pig.backend.executionengine.ExecException:
ERROR 2055: Received Error while processing the map plan.
at
org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:399)
Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2055:
Received Error while processing the map plan.
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.runPipeline(PigGenericMapBase.java:311)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:278)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:64)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:726)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:333)
at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:231)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:680)
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