[ 
https://issues.apache.org/jira/browse/DRILL-5234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Rahul Challapalli updated DRILL-5234:
-------------------------------------
    Description: 
Env :
{code}
git.commit.id.abbrev=2af709f
No of nodes : 1
DRILL_MAX_DIRECT_MEMORY="32G"
DRILL_MAX_HEAP="4G"
Data Size : ~250 MB
{code}

The below query results in an assertion error
{code}
alter session set `planner.width.max_per_node` = 1;
alter session set `planner.disable_exchanges` = true;
alter session set `planner.memory.max_query_memory_per_node` = 52428800;
select * from (select d1.type, d1.evnt, d1.transaction from (select d.type 
type, flatten(d.events) evnt, flatten(d.transactions) transaction from 
dfs.`/drill/testdata/resource-manager/100000rows/data.json` d) d1 order by 
d1.evnt.event_time, d1.transaction.trans_time) d2 where d2.type='web' and 
d2.evnt.type = 'cmpgn4';
{code}

Error from the logs :
{code}
2017-01-30 15:33:51,137 [27703303-c436-7d47-9b1c-1381e16c6b02:frag:0:0] ERROR 
o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: AssertionError

Fragment 0:0

[Error Id: 789d14bb-875b-4106-aad9-e665b8c3b7f1 on qa-node190.qa.lab:31010]
org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: AssertionError

Fragment 0:0

[Error Id: 789d14bb-875b-4106-aad9-e665b8c3b7f1 on qa-node190.qa.lab:31010]
        at 
org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:544)
 ~[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:293)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:262)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) 
[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
[na:1.7.0_111]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
[na:1.7.0_111]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_111]
Caused by: java.lang.RuntimeException: java.lang.AssertionError
        at 
org.apache.drill.common.DeferredException.addThrowable(DeferredException.java:101)
 ~[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.fail(FragmentExecutor.java:407)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:248)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        ... 4 common frames omitted
Caused by: java.lang.AssertionError: null
        at 
org.apache.drill.exec.vector.complex.MapVector.load(MapVector.java:280) 
~[vector-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.cache.VectorAccessibleSerializable.readFromStream(VectorAccessibleSerializable.java:117)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.xsort.BatchGroup.getBatch(BatchGroup.java:111)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.xsort.BatchGroup.getNextIndex(BatchGroup.java:137)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.test.generated.PriorityQueueCopierGen11.next(PriorityQueueCopierTemplate.java:76)
 ~[na:na]
        at 
org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch.innerNext(ExternalSortBatch.java:290)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:93)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:57)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:93)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104) 
~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94) 
~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:232)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:226)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at java.security.AccessController.doPrivileged(Native Method) 
~[na:1.7.0_111]
        at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_111]
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
 ~[hadoop-common-2.7.0-mapr-1607.jar:na]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:226)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        ... 4 common frames omitted
{code}

  was:
Env :
{code}
git.commit.id.abbrev=2af709f
No of nodes : 1
DRILL_MAX_DIRECT_MEMORY="32G"
DRILL_MAX_HEAP="4G"
Data Size : ~250 MB
{code}

The below query results in an assertion error
{code}
alter session set `planner.width.max_per_node` = 1;
alter session set `planner.disable_exchanges` = true;
alter session set `planner.memory.max_query_memory_per_node` = 52428800;
select * from (select d1.type, d1.evnt, d1.transaction from (select d.type 
type, flatten(d.events) evnt, flatten(d.transactions) transaction from 
dfs.`/drill/testdata/resource-manager/100000rows/data.json` d) d1 order by 
d1.evnt.event_time, d1.transaction.trans_time) d2 where d2.type='web' and 
d2.evnt.evnt_type = 'cmpgn4';
{code}

Error from the logs :
{code}
2017-01-30 15:33:51,137 [27703303-c436-7d47-9b1c-1381e16c6b02:frag:0:0] ERROR 
o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: AssertionError

Fragment 0:0

[Error Id: 789d14bb-875b-4106-aad9-e665b8c3b7f1 on qa-node190.qa.lab:31010]
org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: AssertionError

Fragment 0:0

[Error Id: 789d14bb-875b-4106-aad9-e665b8c3b7f1 on qa-node190.qa.lab:31010]
        at 
org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:544)
 ~[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:293)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:262)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) 
[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) 
[na:1.7.0_111]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
[na:1.7.0_111]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_111]
Caused by: java.lang.RuntimeException: java.lang.AssertionError
        at 
org.apache.drill.common.DeferredException.addThrowable(DeferredException.java:101)
 ~[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.fail(FragmentExecutor.java:407)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:248)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        ... 4 common frames omitted
Caused by: java.lang.AssertionError: null
        at 
org.apache.drill.exec.vector.complex.MapVector.load(MapVector.java:280) 
~[vector-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.cache.VectorAccessibleSerializable.readFromStream(VectorAccessibleSerializable.java:117)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.xsort.BatchGroup.getBatch(BatchGroup.java:111)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.xsort.BatchGroup.getNextIndex(BatchGroup.java:137)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.test.generated.PriorityQueueCopierGen11.next(PriorityQueueCopierTemplate.java:76)
 ~[na:na]
        at 
org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch.innerNext(ExternalSortBatch.java:290)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:93)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:57)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:93)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104) 
~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94) 
~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:232)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:226)
 ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at java.security.AccessController.doPrivileged(Native Method) 
~[na:1.7.0_111]
        at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_111]
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
 ~[hadoop-common-2.7.0-mapr-1607.jar:na]
        at 
org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:226)
 [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        ... 4 common frames omitted
{code}


> External sort's spilling functionality does not work when the spilled columns 
> contains a map type column
> --------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-5234
>                 URL: https://issues.apache.org/jira/browse/DRILL-5234
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators
>            Reporter: Rahul Challapalli
>            Assignee: Paul Rogers
>            Priority: Critical
>         Attachments: 27703303-c436-7d47-9b1c-1381e16c6b02.sys.drill, 
> drillbit.log
>
>
> Env :
> {code}
> git.commit.id.abbrev=2af709f
> No of nodes : 1
> DRILL_MAX_DIRECT_MEMORY="32G"
> DRILL_MAX_HEAP="4G"
> Data Size : ~250 MB
> {code}
> The below query results in an assertion error
> {code}
> alter session set `planner.width.max_per_node` = 1;
> alter session set `planner.disable_exchanges` = true;
> alter session set `planner.memory.max_query_memory_per_node` = 52428800;
> select * from (select d1.type, d1.evnt, d1.transaction from (select d.type 
> type, flatten(d.events) evnt, flatten(d.transactions) transaction from 
> dfs.`/drill/testdata/resource-manager/100000rows/data.json` d) d1 order by 
> d1.evnt.event_time, d1.transaction.trans_time) d2 where d2.type='web' and 
> d2.evnt.type = 'cmpgn4';
> {code}
> Error from the logs :
> {code}
> 2017-01-30 15:33:51,137 [27703303-c436-7d47-9b1c-1381e16c6b02:frag:0:0] ERROR 
> o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: AssertionError
> Fragment 0:0
> [Error Id: 789d14bb-875b-4106-aad9-e665b8c3b7f1 on qa-node190.qa.lab:31010]
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: AssertionError
> Fragment 0:0
> [Error Id: 789d14bb-875b-4106-aad9-e665b8c3b7f1 on qa-node190.qa.lab:31010]
>         at 
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:544)
>  ~[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:293)
>  [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160)
>  [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:262)
>  [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
>  [drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>  [na:1.7.0_111]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>  [na:1.7.0_111]
>         at java.lang.Thread.run(Thread.java:745) [na:1.7.0_111]
> Caused by: java.lang.RuntimeException: java.lang.AssertionError
>         at 
> org.apache.drill.common.DeferredException.addThrowable(DeferredException.java:101)
>  ~[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.fail(FragmentExecutor.java:407)
>  [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:248)
>  [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         ... 4 common frames omitted
> Caused by: java.lang.AssertionError: null
>         at 
> org.apache.drill.exec.vector.complex.MapVector.load(MapVector.java:280) 
> ~[vector-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.cache.VectorAccessibleSerializable.readFromStream(VectorAccessibleSerializable.java:117)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.xsort.BatchGroup.getBatch(BatchGroup.java:111)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.xsort.BatchGroup.getNextIndex(BatchGroup.java:137)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.test.generated.PriorityQueueCopierGen11.next(PriorityQueueCopierTemplate.java:76)
>  ~[na:na]
>         at 
> org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch.innerNext(ExternalSortBatch.java:290)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:93)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:57)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:93)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104) 
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94) 
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:232)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at 
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:226)
>  ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         at java.security.AccessController.doPrivileged(Native Method) 
> ~[na:1.7.0_111]
>         at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_111]
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
>  ~[hadoop-common-2.7.0-mapr-1607.jar:na]
>         at 
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:226)
>  [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
>         ... 4 common frames omitted
> {code}



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