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From "Daniel Barclay (Drill) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2647) NullPointerException from CONVERT_FROM given a NULL
Date Wed, 01 Apr 2015 04:35:55 GMT
Daniel Barclay (Drill) created DRILL-2647:
---------------------------------------------

             Summary: NullPointerException from CONVERT_FROM given a NULL
                 Key: DRILL-2647
                 URL: https://issues.apache.org/jira/browse/DRILL-2647
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Daniel Barclay (Drill)


CONVERT_FROM crashes when given a null value like this:

SELECT CONVERT_FROM(CAST(NULL AS VARCHAR), 'JSON') FROM  INFORMATION_SCHEMA.CATALOGS;

This fails similarly
SELECT CONVERT_FROM(CAST(NULL AS INTEGER), 'JSON') FROM  INFORMATION_SCHEMA.CATALOGS;


------------------------------------------------------------------------------------------
0: jdbc:drill:zk=local> SELECT CONVERT_FROM(CAST(NULL AS VARCHAR), 'JSON') FROM  INFORMATION_SCHEMA.CATALOGS;
Exception in thread "2ae48af0-c497-8b98-d9eb-f64353f79065:frag:0:0" java.lang.RuntimeException:
Error closing fragment context.
	at org.apache.drill.exec.work.fragment.FragmentExecutor.closeOutResources(FragmentExecutor.java:224)
	at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:187)
	at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.drill.common.exceptions.DrillRuntimeException: Error while converting
from JSON. 
	at org.apache.drill.exec.test.generated.ProjectorGen4.doEval(ProjectorTemplate.java:38)
Query failed: RemoteRpcException: Failure while running fragment., Error while converting
from JSON.  [ f0c043d2-f86f-4e4d-a864-74df93f6c79f on dev-linux2:31010 ]
[ f0c043d2-f86f-4e4d-a864-74df93f6c79f on dev-linux2:31010 ]

	at org.apache.drill.exec.test.generated.ProjectorGen4.projectRecords(ProjectorTemplate.java:62)
	at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.doWork(ProjectRecordBatch.java:174)

	at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:93)
	at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:134)
	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142)
	at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118)
	at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:68)
	at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:96)
	at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:58)
	at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:163)
	... 4 more
Caused by: java.lang.NullPointerException
	at org.apache.drill.exec.vector.complex.fn.DrillBufInputStream.getStream(DrillBufInputStream.java:56)
	at org.apache.drill.exec.vector.complex.fn.JsonReader.setSource(JsonReader.java:114)
	at org.apache.drill.exec.test.generated.ProjectorGen4.doEval(ProjectorTemplate.java:34)
	... 14 more
Error: exception while executing query: Failure while executing query. (state=,code=0)
0: jdbc:drill:zk=local> 




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