[jira] [Created] (DRILL-6990) IllegalStateException: The current reader doesn't support getting next information

["Khurram Faraaz (JIRA)" <ji...@apache.org>]

Khurram Faraaz created DRILL-6990:
-------------------------------------

             Summary: IllegalStateException: The current reader doesn't support getting next information
                 Key: DRILL-6990
                 URL: https://issues.apache.org/jira/browse/DRILL-6990
             Project: Apache Drill
          Issue Type: Bug
    Affects Versions: 1.14.0
            Reporter: Khurram Faraaz
         Attachments: parqt_nestedArray.parquet.tar

Reading a parquet file created from Spark, returns IllegalStateException: The current reader doesn't support getting next information

Drill 1.14.0, parquet file created from Spark is attached here.

//Steps to create parquet file from Spark 2.3.1

[root@ba102-495 ~]# cd /opt/mapr/spark/spark-2.3.1
[root@ba102-495 spark-2.3.1]# cd bin
[root@ba102-495 bin]# ./spark-shell
19/01/21 22:57:05 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Spark context Web UI available at http://qa102-45.qa.lab:4040
Spark context available as 'sc' (master = local[*], app id = local-1548111430809).
Spark session available as 'spark'.
Welcome to
 ____ __
 / __/__ ___ _____/ /__
 _\ \/ _ \/ _ `/ __/ '_/
 /___/ .__/\_,_/_/ /_/\_\ version 2.3.1-mapr-SNAPSHOT
 /_/

Using Scala version 2.11.8 (OpenJDK 64-Bit Server VM, Java 1.8.0_191)
Type in expressions to have them evaluated.
Type :help for more information.

scala> import spark.implicits._
import spark.implicits._

scala> val df = spark.read.json("/apps/nestedDataJson.json")
df: org.apache.spark.sql.DataFrame = [id: bigint, nested_array: array<array<bigint>>]

scala> df.write.parquet("/apps/parqt_nestedArray.parquet")

Data used in test

{noformat}
[root@ba102-495 ~]# cat nestedDataJson.json
{"id":19,"nested_array":[[1,2,3,4],[5,6,7,8],[9,10,12]]}
{"id":14121,"nested_array":[[1,3,4],[5,6,8],[9,11,12]]}
{"id":18894,"nested_array":[[1,3,4],[5,6,7,8],[9,10,11,12]]}
{"id":12499,"nested_array":[[1,4],[5,7,8],[9,11,12]]}
{"id":120,"nested_array":[[1,4],[5,7,8],[9,10,11,12]]}
{"id":12,"nested_array":[[1,2,3,4],[5,6,7,8],[11,12]]}
{"id":13,"nested_array":[[1,2,3,4],[5,8],[9,10,11,12]]}
{"id":14,"nested_array":[[1,2,3,4],[5,68],[9,10,11,12]]}
{"id":123,"nested_array":[[1,2,3,4],[5,8],[9,10,11,12]]}
{"id":124,"nested_array":[[1,2,4],[5,6,7,8],[9,10,11,12]]}
{"id":134,"nested_array":[[1,4],[5,8],[9,12]]}
{noformat}

From drillbit.log

{noformat}
Query Failed: An Error Occurred
org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: IllegalStateException: The current reader doesn't support getting next information. Fragment 0:0 [Error Id: c16c70dd-6565-463f-83a7-118ccd8442e2 on ba102-495.qa.lab:31010]
...
...
2019-01-21 23:08:11,268 [23b9af24-10b9-ad11-5583-ecc3e0c562e6:frag:0:0] ERROR o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: IllegalStateException: The current reader doesn't support getting next information.

Fragment 0:0

[Error Id: c16c70dd-6565-463f-83a7-118ccd8442e2 on ba102-495.qa.lab:31010]
org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: IllegalStateException: The current reader doesn't support getting next information.

Fragment 0:0

[Error Id: c16c70dd-6565-463f-83a7-118ccd8442e2 on ba102-495.qa.lab:31010]
 at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:633) ~[drill-common-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:361) [drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:216) [drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:327) [drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-1.14.0-mapr.jar:1.14.0-mapr]
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_181]
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_181]
 at java.lang.Thread.run(Thread.java:748) [na:1.8.0_181]
Caused by: java.lang.IllegalStateException: The current reader doesn't support getting next information.
 at org.apache.drill.exec.vector.complex.impl.AbstractBaseReader.next(AbstractBaseReader.java:64) ~[vector-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.vector.complex.impl.SingleMapReaderImpl.next(SingleMapReaderImpl.java:31) ~[vector-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.test.generated.ProjectorGen971.doEval(ProjectorTemplate.java:35) ~[na:na]
 at org.apache.drill.exec.test.generated.ProjectorGen971.projectRecords(ProjectorTemplate.java:67) ~[na:na]
 at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.doWork(ProjectRecordBatch.java:231) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.record.AbstractUnaryRecordBatch.innerNext(AbstractUnaryRecordBatch.java:117) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:142) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:172) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:103) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:83) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:93) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:294) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:281) ~[drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_181]
 at javax.security.auth.Subject.doAs(Subject.java:422) ~[na:1.8.0_181]
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669) ~[hadoop-common-2.7.0-mapr-1808.jar:na]
 at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:281) [drill-java-exec-1.14.0-mapr.jar:1.14.0-mapr]
 ... 4 common frames omitted
{noformat}


Doing a project of nested_array column from the parquet file returns incorrect data, the representation of the nested array is wrong.
{noformat}
apache drill 1.14.0-mapr
"start your sql engine"
0: jdbc:drill:schema=dfs.tmp> select nested_array from dfs.`/apps/parqt_nestedArray.parquet`;
+--------------+
| nested_array |
+--------------+
| \{"list":[{"element":{"list":[{"element":1},\{"element":2},\{"element":3},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":6},\{"element":7},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":10},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":3},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":6},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":3},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":6},\{"element":7},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":10},\{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":7},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":7},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":10},\{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":2},\{"element":3},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":6},\{"element":7},\{"element":8}]}},\{"element":{"list":[{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":2},\{"element":3},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":10},\{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":2},\{"element":3},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":68}]}},\{"element":{"list":[{"element":9},\{"element":10},\{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":2},\{"element":3},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":10},\{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":2},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":6},\{"element":7},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":10},\{"element":11},\{"element":12}]}}]} |
| \{"list":[{"element":{"list":[{"element":1},\{"element":4}]}},\{"element":{"list":[{"element":5},\{"element":8}]}},\{"element":{"list":[{"element":9},\{"element":12}]}}]} |
+--------------+
11 rows selected (0.293 seconds)
{noformat}



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