[
https://issues.apache.org/jira/browse/TAJO-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14368244#comment-14368244
]
Hudson commented on TAJO-1368:
------------------------------
FAILURE: Integrated in Tajo-master-CODEGEN-build #258 (See
[https://builds.apache.org/job/Tajo-master-CODEGEN-build/258/])
TAJO-1368: Exceptions during processing nested union queries (jihun: rev
725448c5249cd8691ea167f595237ed7bcc22293)
*
tajo-core/src/main/java/org/apache/tajo/engine/planner/global/GlobalPlanner.java
* tajo-core/src/main/java/org/apache/tajo/querymaster/Stage.java
* CHANGES
*
tajo-core/src/test/resources/queries/TestCTASQuery/testCtasWithMultipleUnions.sql
* tajo-core/src/test/java/org/apache/tajo/engine/query/TestUnionQuery.java
* tajo-core/src/test/java/org/apache/tajo/engine/query/TestCTASQuery.java
* tajo-core/src/test/resources/queries/TestCTASQuery/CtasWithMultipleUnions.sql
> Exceptions during processing nested union queries
> -------------------------------------------------
>
> Key: TAJO-1368
> URL: https://issues.apache.org/jira/browse/TAJO-1368
> Project: Tajo
> Issue Type: Bug
> Components: distributed query plan, worker
> Affects Versions: 0.11.0
> Reporter: Jihoon Son
> Assignee: Jihun Kang
> Fix For: 0.11.0
>
> Attachments: TAJO-1368.patch
>
>
> This error is reported from the Apache Tajo Korea user group
> (https://groups.google.com/forum/#!topic/tajo-user-kr/tipQj6cv-k0).
> You can reproduce the reported errors as follows:
> {noformat}
> default> create table test_union_all (cd int, nm text);
> default> insert into test_union_all select 1,'aaa';
> default> insert into test_union_all select 1,'bbb';
> {noformat}
> *Case 1*
> Distributed query planner emits NPE as follows:
> {noformat}
> default> select * from
> (
> select * from test_union_all
> union all
> select * from test_union_all
> )a
> union all
> select * from
> (
> select * from test_union_all
> union all
> select * from test_union_all
> )a;
> 2015-03-03 13:59:12,738 ERROR org.apache.tajo.querymaster.QueryMasterTask:
> java.lang.NullPointerException
> at
> org.apache.tajo.engine.planner.global.DataChannel.<init>(DataChannel.java:57)
> at
> org.apache.tajo.engine.planner.global.GlobalPlanner$DistributedPlannerVisitor.visitUnion(GlobalPlanner.java:1405)
> at
> org.apache.tajo.engine.planner.global.GlobalPlanner$DistributedPlannerVisitor.visitUnion(GlobalPlanner.java:1140)
> at
> org.apache.tajo.plan.visitor.BasicLogicalPlanVisitor.visit(BasicLogicalPlanVisitor.java:96)
> at
> org.apache.tajo.plan.visitor.BasicLogicalPlanVisitor.visitRoot(BasicLogicalPlanVisitor.java:151)
> at
> org.apache.tajo.engine.planner.global.GlobalPlanner$DistributedPlannerVisitor.visitRoot(GlobalPlanner.java:1145)
> at
> org.apache.tajo.engine.planner.global.GlobalPlanner$DistributedPlannerVisitor.visitRoot(GlobalPlanner.java:1140)
> at
> org.apache.tajo.plan.visitor.BasicLogicalPlanVisitor.visit(BasicLogicalPlanVisitor.java:60)
> at
> org.apache.tajo.engine.planner.global.GlobalPlanner.build(GlobalPlanner.java:146)
> at
> org.apache.tajo.querymaster.QueryMasterTask.startQuery(QueryMasterTask.java:357)
> at
> org.apache.tajo.querymaster.QueryMasterTask.start(QueryMasterTask.java:172)
> at
> org.apache.tajo.querymaster.QueryMaster$QueryStartEventHandler.handle(QueryMaster.java:410)
> at
> org.apache.tajo.querymaster.QueryMaster$QueryStartEventHandler.handle(QueryMaster.java:397)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:173)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:106)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> *Case 2*
> TaskRunner emits NPE as follows:
> {noformat}
> default> select * from (
> select cd, nm
> from
> (
> select cd, nm
> from
> (
> select cd, nm
> from test_union_all
> )a
> union all
> select cd, nm
> from
> (
> select cd, nm
> from test_union_all
> )a
> ) a
> )a;
> 2015-03-03 14:05:02,960 ERROR org.apache.tajo.worker.Task:
> java.lang.IllegalArgumentException: URI scheme is not "file"
> java.io.IOException: java.lang.IllegalArgumentException: URI scheme is not
> "file"
> at
> org.apache.tajo.storage.RawFile$RawFileAppender.init(RawFile.java:485)
> at
> org.apache.tajo.engine.planner.physical.StoreTableExec.openNewFile(StoreTableExec.java:110)
> at
> org.apache.tajo.engine.planner.physical.StoreTableExec.init(StoreTableExec.java:79)
> at org.apache.tajo.worker.Task.run(Task.java:405)
> at org.apache.tajo.worker.TaskRunner$1.run(TaskRunner.java:276)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.IllegalArgumentException: URI scheme is not "file"
> at java.io.File.<init>(File.java:421)
> at
> org.apache.tajo.storage.RawFile$RawFileAppender.init(RawFile.java:480)
> ... 5 more
> 2015-03-03 14:05:02,963 ERROR org.apache.tajo.worker.TaskRunner:
> java.lang.NullPointerException
> at
> org.apache.tajo.storage.RawFile$RawFileAppender.close(RawFile.java:756)
> at
> org.apache.tajo.engine.planner.physical.StoreTableExec.close(StoreTableExec.java:143)
> at org.apache.tajo.worker.Task.run(Task.java:417)
> at org.apache.tajo.worker.TaskRunner$1.run(TaskRunner.java:276)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
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