[
https://issues.apache.org/jira/browse/DRILL-7934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17353352#comment-17353352
]
ASF GitHub Bot commented on DRILL-7934:
---------------------------------------
cdmikechen edited a comment on pull request #2238:
URL: https://github.com/apache/drill/pull/2238#issuecomment-850416329
@cgivre
Yes, I've build whole project.
I choose a contrib hive-storage and run test case in drill but it looks like
run failed again.
```
mvn test -pl contrib/storage-hive/core
```
log
```
Hive Session ID = efd0bb19-db4a-4143-8dd8-f59f79de6e10
[INFO] Running org.apache.drill.exec.fn.hive.TestHiveUDFs
[ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.09
s <<< FAILURE! - in org.apache.drill.exec.fn.hive.TestHiveUDFs
[ERROR] org.apache.drill.exec.fn.hive.TestHiveUDFs Time elapsed: 0.014 s
<<< ERROR!
org.apache.drill.exec.rpc.RpcException: CONNECTION :
io.netty.channel.ConnectTimeoutException: connection timed out:
xxx.local/ip:31010
Caused by: java.util.concurrent.ExecutionException:
io.netty.channel.ConnectTimeoutException: connection timed out:
xxx.local/ip:31010
Caused by: io.netty.channel.ConnectTimeoutException: connection timed out:
xxx.local/ip:31010
```
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> 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
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