[jira] [Created] (DRILL-1967) Null pointer exception in DrillParquetReader when caneled before data arrives

["Jason Altekruse (JIRA)" <ji...@apache.org>]

Jason Altekruse created DRILL-1967:
--------------------------------------

             Summary: Null pointer exception in DrillParquetReader when caneled before data arrives
                 Key: DRILL-1967
                 URL: https://issues.apache.org/jira/browse/DRILL-1967
             Project: Apache Drill
          Issue Type: Test
            Reporter: Jason Altekruse
            Assignee: Jason Altekruse


To reproduce:

create table my_table select a from json_table.json;

json_table.json:
{
   "a" : "a string"
}
{
  "a" : 1
}

The schema change will cause an error before a batch is ever sent to the writer. This causes a null pointer in the cleanup method.

java.lang.NullPointerException
	org.apache.drill.exec.store.parquet.ParquetRecordWriter.cleanup(ParquetRecordWriter.java:298) ~[classes/:na]
	org.apache.drill.exec.physical.impl.WriterRecordBatch.cleanup(WriterRecordBatch.java:187) ~[classes/:na]
	org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.cleanup(IteratorValidatorBatchIterator.java:148) ~[classes/:na]
	org.apache.drill.exec.record.AbstractSingleRecordBatch.cleanup(AbstractSingleRecordBatch.java:121) ~[classes/:na]
	org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.cleanup(IteratorValidatorBatchIterator.java:148) ~[classes/:na]
	org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.internalStop(ScreenCreator.java:178) ~[classes/:na]
	org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:101) ~[classes/:na]
	org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:57) ~[classes/:na]
	org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:114) ~[classes/:na]
	org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:254) [classes/:na]
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_21]
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_21]
	java.lang.Thread.run(Thread.java:722) [na:1.7.0_21]




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