[
https://issues.apache.org/jira/browse/DRILL-7934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17353367#comment-17353367
]
ASF GitHub Bot commented on DRILL-7934:
---------------------------------------
vvysotskyi commented on pull request #2238:
URL: https://github.com/apache/drill/pull/2238#issuecomment-850432662
@cdmikechen, please check your env and `/etc/hosts/` particularly.
Yes, Drill server will be started for every test, nothing more to set up
before running tests (except for starting docker for Splunk, Cassandra, Mongo,
and some other tests).
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
> NullPointerException error when reading parquet files
> -----------------------------------------------------
>
> Key: DRILL-7934
> URL: https://issues.apache.org/jira/browse/DRILL-7934
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Parquet
> Affects Versions: 1.18.0
> Environment: Drill 1.18
> Ambari 2.7.4
> Spark 3.0.2
> Reporter: cdmikechen
> Priority: Critical
> Fix For: 1.19.0
>
>
> I create a dataset using spark ml, when I use drill 1.18 to query this
> dataset folder, it report error this:
> {code:java}
> [Error Id: 92d3f331-ffca-46b5-a64c-87453b88a108 on xxx.xxx.xxx:31010]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:657)
> at
> org.apache.drill.exec.work.foreman.Foreman$ForemanResult.close(Foreman.java:788)
> at
> org.apache.drill.exec.work.foreman.QueryStateProcessor.checkCommonStates(QueryStateProcessor.java:322)
> at
> org.apache.drill.exec.work.foreman.QueryStateProcessor.planning(QueryStateProcessor.java:216)
> at
> org.apache.drill.exec.work.foreman.QueryStateProcessor.moveToState(QueryStateProcessor.java:76)
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:300)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.drill.exec.work.foreman.ForemanException: Unexpected
> exception during fragment initialization: Error while applying rule
> DrillPushProjectIntoScanRule:enumerable, args
> [rel#478:LogicalProject.NONE.ANY([]).[](input=RelSubset#477,label=$1),
> rel#452:EnumerableTableScan.ENUMERABLE.ANY([]).[](table=[hdfs_dataset.default,
> /home/spark/dataset/default/test2/*.parquet])]
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:301)
> ... 3 common frames omitted
> Caused by: java.lang.RuntimeException: Error while applying rule
> DrillPushProjectIntoScanRule:enumerable, args
> [rel#478:LogicalProject.NONE.ANY([]).[](input=RelSubset#477,label=$1),
> rel#452:EnumerableTableScan.ENUMERABLE.ANY([]).[](table=[hdfs_dataset.default,
> /home/spark/dataset/default/test2/*.parquet])]
> at
> org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:235)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp(VolcanoPlanner.java:633)
> at
> org.apache.calcite.tools.Programs$RuleSetProgram.run(Programs.java:327)
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:405)
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:351)
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRawDrel(DefaultSqlHandler.java:245)
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:308)
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:173)
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan(DrillSqlWorker.java:283)
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getPhysicalPlan(DrillSqlWorker.java:163)
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.convertPlan(DrillSqlWorker.java:140)
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:93)
> at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:593)
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:274)
> ... 3 common frames omitted
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.drill.exec.store.parquet.ParquetGroupScanStatistics.checkForPartitionColumn(ParquetGroupScanStatistics.java:186)
> at
> org.apache.drill.exec.store.parquet.ParquetGroupScanStatistics.collect(ParquetGroupScanStatistics.java:119)
> at
> org.apache.drill.exec.store.parquet.ParquetGroupScanStatistics.<init>(ParquetGroupScanStatistics.java:59)
> at
> org.apache.drill.exec.store.parquet.BaseParquetMetadataProvider.getParquetGroupScanStatistics(BaseParquetMetadataProvider.java:293)
> at
> org.apache.drill.exec.store.parquet.BaseParquetMetadataProvider.getTableMetadata(BaseParquetMetadataProvider.java:249)
> at
> org.apache.drill.exec.store.parquet.BaseParquetMetadataProvider.initializeMetadata(BaseParquetMetadataProvider.java:203)
> at
> org.apache.drill.exec.store.parquet.BaseParquetMetadataProvider.init(BaseParquetMetadataProvider.java:170)
> at
> org.apache.drill.exec.metastore.store.parquet.ParquetTableMetadataProviderImpl.<init>(ParquetTableMetadataProviderImpl.java:95)
> at
> org.apache.drill.exec.metastore.store.parquet.ParquetTableMetadataProviderImpl.<init>(ParquetTableMetadataProviderImpl.java:48)
> at
> org.apache.drill.exec.metastore.store.parquet.ParquetTableMetadataProviderImpl$Builder.build(ParquetTableMetadataProviderImpl.java:415)
> at
> org.apache.drill.exec.store.parquet.ParquetGroupScan.<init>(ParquetGroupScan.java:150)
> at
> org.apache.drill.exec.store.parquet.ParquetGroupScan.<init>(ParquetGroupScan.java:120)
> at
> org.apache.drill.exec.store.parquet.ParquetFormatPlugin.getGroupScan(ParquetFormatPlugin.java:202)
> at
> org.apache.drill.exec.store.parquet.ParquetFormatPlugin.getGroupScan(ParquetFormatPlugin.java:79)
> at
> org.apache.drill.exec.store.dfs.FileSystemPlugin.getPhysicalScan(FileSystemPlugin.java:226)
> at
> org.apache.drill.exec.store.dfs.FileSystemPlugin.getPhysicalScan(FileSystemPlugin.java:209)
> at
> org.apache.drill.exec.planner.logical.DrillTable.getGroupScan(DrillTable.java:119)
> at
> org.apache.drill.exec.planner.logical.DrillPushProjectIntoScanRule.canPushProjectIntoScan(DrillPushProjectIntoScanRule.java:190)
> at
> org.apache.drill.exec.planner.logical.DrillPushProjectIntoScanRule.onMatch(DrillPushProjectIntoScanRule.java:107)
> at
> org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:208)
> ... 16 common frames omitted
> {code}
> It is same like issue https://issues.apache.org/jira/browse/DRILL-7769.
> I add some log information and found this:
> {code:java}
> TRACE o.a.d.e.s.p.ParquetGroupScanStatistics - check schema path
> `features`.`values`.`list`.`element` with major type null
> current partitionColTypeMap = {`features`.`indices`.`list`.`element`=null,
> `features`.`type`=minor_type: TINYINT
> mode: REQUIRED
> , `features`.`size`=minor_type: INT
> mode: OPTIONAL
> }
> 2021-05-25 15:39:21,066 [1f535658-f840-9f0e-1a7b-21080514bb7b:foreman] TRACE
> o.a.d.e.s.p.ParquetGroupScanStatistics - check schema path `label` with major
> type minor_type: FLOAT8
> mode: REQUIRED
> current partitionColTypeMap = {`features`.`indices`.`list`.`element`=null,
> `features`.`type`=minor_type: TINYINT
> mode: REQUIRED
> , `features`.`size`=minor_type: INT
> mode: OPTIONAL
> }
> 2021-05-25 15:39:21,066 [1f535658-f840-9f0e-1a7b-21080514bb7b:foreman] TRACE
> o.a.d.e.s.p.ParquetGroupScanStatistics - check schema path `features`.`size`
> with major type minor_type: INT
> mode: OPTIONAL
> current partitionColTypeMap = {`features`.`indices`.`list`.`element`=null,
> `features`.`type`=minor_type: TINYINT
> mode: REQUIRED
> , `features`.`size`=minor_type: INT
> mode: OPTIONAL
> }
> {code}
> So that there is some condition major type is null, if drill use this code,
> it will catch NullPointerException error:
> {code:java}
> TypeProtos.MajorType majorType = columnMetadata != null ?
> columnMetadata.majorType() : null; # 121
> !partitionColTypeMap.get(schemaPath).equals(type) # 189
> {code}
> we need to change null to *org.apache.drill.common.types.Types.NULL* to avoid
> NullPointerException error
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
