[
https://issues.apache.org/jira/browse/DRILL-4012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14987763#comment-14987763
]
Deneche A. Hakim commented on DRILL-4012:
-----------------------------------------
I wasn't able to reproduce the error on the latest master:
{noformat}
0: jdbc:drill:zk=local> select * from (select id, flatten(kvgen(m)) from
`missing-map.json`) limit 0;
+-----+---------+
| id | EXPR$1 |
+-----+---------+
+-----+---------+
No rows selected (0.728 seconds)
0: jdbc:drill:zk=local> select * from sys.version;
+-----------------+-------------------------------------------+---------------------------------------------+----------------------------+--------------+----------------------------+
| version | commit_id |
commit_message | commit_time | build_email |
build_time |
+-----------------+-------------------------------------------+---------------------------------------------+----------------------------+--------------+----------------------------+
| 1.3.0-SNAPSHOT | bb69f2202ed6115b39bd8681e59c6ff6091e9b9e | DRILL-3229:
Miscellaneous Union-type fixes | 03.11.2015 @ 00:40:32 PST | Unknown |
03.11.2015 @ 09:59:45 PST |
+-----------------+-------------------------------------------+---------------------------------------------+----------------------------+--------------+----------------------------+
1 row selected (0.297 seconds)
0: jdbc:drill:zk=local>
{noformat}
> Limit 0 on top of query with kvg/flatten results in assert
> ----------------------------------------------------------
>
> Key: DRILL-4012
> URL: https://issues.apache.org/jira/browse/DRILL-4012
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types
> Reporter: Victoria Markman
>
> I've found couple of bugs that are very similar, but none of them are quite
> the same:
> missing-map.json
> {code}
> {
> "id": 1,
> "m": {"a":1,"b":2}
> }
> {
> "id": 2
> }
> {
> "id": 3,
> "m": {"c":3,"d":4}
> }
> {code}
> 'limit 0' results in an assert:
> {code}
> 0: jdbc:drill:schema=dfs> select * from (select id, flatten(kvgen(m)) from
> `missing-map.json`) limit 0;
> Error: SYSTEM ERROR: ClassCastException: Cannot cast
> org.apache.drill.exec.vector.NullableIntVector to
> org.apache.drill.exec.vector.complex.RepeatedValueVector
> Fragment 0:0
> [Error Id: 046bb4d4-2c54-43ab-9577-cf21542ff8ef on atsqa4-133.qa.lab:31010]
> (state=,code=0)
> {code}
> 'limit 1' works:
> {code}
> 0: jdbc:drill:schema=dfs> select * from (select id, flatten(kvgen(m)) from
> `missing-map.json`) limit 1;
> +-----+------------------------+
> | id | EXPR$1 |
> +-----+------------------------+
> | 1 | {"key":"a","value":1} |
> +-----+------------------------+
> 1 row selected (0.247 seconds)
> {code}
> No limit, just in subquery: works
> {code}
> 0: jdbc:drill:schema=dfs> select * from (select id, flatten(kvgen(m)) from
> `json_kvgenflatten/missing-map.json`);
> +-----+------------------------+
> | id | EXPR$1 |
> +-----+------------------------+
> | 1 | {"key":"a","value":1} |
> | 1 | {"key":"b","value":2} |
> | 3 | {"key":"c","value":3} |
> | 3 | {"key":"d","value":4} |
> +-----+------------------------+
> 4 rows selected (0.247 seconds)
> {code}
> drillbit.log
> {code}
> 2015-11-03 15:23:20,943 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:foreman] INFO
> o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host
> atsqa4-136.qa.lab. Skipping affinity to that host.
> 2015-11-03 15:23:20,944 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:foreman] INFO
> o.a.d.e.s.schedule.BlockMapBuilder - Failure finding Drillbit running on host
> atsqa4-134.qa.lab. Skipping affinity to that host.
> 2015-11-03 15:23:20,944 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:foreman] INFO
> o.a.d.e.s.schedule.BlockMapBuilder - Get block maps: Executed 1 out of 1
> using 1 threads. Time: 1ms total, 1.530719ms avg, 1ms max.
> 2015-11-03 15:23:20,944 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:foreman] INFO
> o.a.d.e.s.schedule.BlockMapBuilder - Get block maps: Executed 1 out of 1
> using 1 threads. Earliest start: 1.744000 μs, Latest start: 1.744000 μs,
> Average start: 1.744000 μs .
> 2015-11-03 15:23:20,968 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] INFO
> o.a.d.e.w.fragment.FragmentExecutor -
> 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0: State change requested
> AWAITING_ALLOCATION --> RUNNING
> 2015-11-03 15:23:20,968 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] INFO
> o.a.d.e.w.f.FragmentStatusReporter -
> 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0: State to report: RUNNING
> 2015-11-03 15:23:20,974 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] WARN
> o.a.d.e.e.ExpressionTreeMaterializer - Unable to find value vector of path
> `EXPR$3`, returning null instance.
> 2015-11-03 15:23:20,975 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] WARN
> o.a.d.e.e.ExpressionTreeMaterializer - Unable to find value vector of path
> `EXPR$3`, returning null instance.
> 2015-11-03 15:23:20,976 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] INFO
> o.a.d.e.w.fragment.FragmentExecutor -
> 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0: State change requested RUNNING -->
> FAILED
> 2015-11-03 15:23:20,976 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] INFO
> o.a.d.e.w.fragment.FragmentExecutor -
> 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0: State change requested FAILED -->
> FINISHED
> 2015-11-03 15:23:20,978 [29c72e96-c9f6-9fce-ecf1-14eaa145f72b:frag:0:0] ERROR
> o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: ClassCastException:
> Cannot cast org.apache.drill.exec.vector.NullableIntVector to
> org.apache.drill.exec.vector.complex.RepeatedValueVector
> Fragment 0:0
> [Error Id: c82c7f59-4dad-47ad-8901-5a2261c81279 on atsqa4-133.qa.lab:31010]
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR:
> ClassCastException: Cannot cast
> org.apache.drill.exec.vector.NullableIntVector to
> org.apache.drill.exec.vector.complex.RepeatedValueVector
> Fragment 0:0
> [Error Id: c82c7f59-4dad-47ad-8901-5a2261c81279 on atsqa4-133.qa.lab:31010]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:534)
> ~[drill-common-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:323)
> [drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:178)
> [drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:292)
> [drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-1.2.0.jar:1.2.0]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_71]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_71]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
> Caused by: java.lang.ClassCastException: Cannot cast
> org.apache.drill.exec.vector.NullableIntVector to
> org.apache.drill.exec.vector.complex.RepeatedValueVector
> at java.lang.Class.cast(Class.java:3176) ~[na:1.7.0_71]
> at
> org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.getFlattenFieldTransferPair(FlattenRecordBatch.java:270)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.setupNewSchema(FlattenRecordBatch.java:292)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:78)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.innerNext(FlattenRecordBatch.java:120)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:104)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:94)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:129)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:104)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:94)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.limit.LimitRecordBatch.innerNext(LimitRecordBatch.java:115)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:104)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:94)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:94)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:104)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:94)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:129)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:147)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:83)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:80)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:73)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:258)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:252)
> ~[drill-java-exec-1.2.0.jar:1.2.0]
> at java.security.AccessController.doPrivileged(Native Method)
> ~[na:1.7.0_71]
> at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_71]
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1566)
> ~[hadoop-common-2.5.1-mapr-1503.jar:na]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:252)
> [drill-java-exec-1.2.0.jar:1.2.0]
> ... 4 common frames omitted
> 2015-11-03 15:23:20,998 [BitServer-4] WARN
> o.a.drill.exec.work.foreman.Foreman - Dropping request to move to COMPLETED
> state as query is already at FAILED state (which is terminal).
> 2015-11-03 15:23:20,998 [BitServer-4] WARN o.a.d.e.w.b.ControlMessageHandler
> - Dropping request to cancel fragment.
> 29c72e96-c9f6-9fce-ecf1-14eaa145f72b:0:0 does not exist.
> {code}
> I'm not sure about priority of this issue, 'limit 0' is generated by tools
> usually ... Leaving it as "Major" for now.
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