[DRILL-5714] Fix NPE when mapr-db plugin is used in table function

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.11.0
• Fix Version/s: 1.12.0
• Component/s: Storage - MapRDB
• Labels: ready-to-commit
• Assignee: Arina Ielchiieva
• Reporter: Arina Ielchiieva
• Reviewer: Paul Rogers
• Created: 10/Aug/17 11:31
• Updated: 01/Sep/17 12:49
• Resolved: 15/Aug/17 13:45

Description

Query:

select * from table(mapr.`/tmp/test`(type=>'maprdb', allTextMode=>true))

Error:

2017-08-03 13:13:56,527 [267cde6b-6327-11b4-a4f3-f59a8d82ae17:frag:0:0] ERROR o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: NullPointerException

Fragment 0:0

[Error Id: 07937ad2-90ce-43e3-b9c1-2540e1df05fa on master:31010]
org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: NullPointerException

Fragment 0:0

[Error Id: 07937ad2-90ce-43e3-b9c1-2540e1df05fa on master:31010]
	at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:550) ~[drill-common-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:295) [drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160) [drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:264) [drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_95]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_95]
	at java.lang.Thread.run(Thread.java:745) [na:1.7.0_95]
Caused by: org.apache.drill.common.exceptions.ExecutionSetupException: java.lang.NullPointerException
	at org.apache.drill.exec.store.mapr.db.MapRDBScanBatchCreator.getBatch(MapRDBScanBatchCreator.java:52) ~[drill-format-mapr-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.store.mapr.db.MapRDBScanBatchCreator.getBatch(MapRDBScanBatchCreator.java:36) ~[drill-format-mapr-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:156) ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:179) ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:136) ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:179) ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.physical.impl.ImplCreator.getRootExec(ImplCreator.java:109) ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.physical.impl.ImplCreator.getExec(ImplCreator.java:87) ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:207) [drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	... 4 common frames omitted
Caused by: java.lang.NullPointerException: null
	at org.apache.drill.exec.store.mapr.db.MapRDBScanBatchCreator.getBatch(MapRDBScanBatchCreator.java:46) ~[drill-format-mapr-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
	... 12 common frames omitted

Issue Links

• is related to: DRILL-5763 Fix NPE during MapRDBSubScan deserialization
• links to: GitHub Pull Request #902