[
https://issues.apache.org/jira/browse/DRILL-7076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16810454#comment-16810454
]
ASF GitHub Bot commented on DRILL-7076:
---------------------------------------
gparai commented on pull request #1722: DRILL-7076: Fix NPE in
StatsMaterializationVisitor
URL: https://github.com/apache/drill/pull/1722
----------------------------------------------------------------
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]
> NPE is logged when querying postgres tables
> -------------------------------------------
>
> Key: DRILL-7076
> URL: https://issues.apache.org/jira/browse/DRILL-7076
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.16.0
> Reporter: Volodymyr Vysotskyi
> Assignee: Gautam Parai
> Priority: Blocker
> Fix For: 1.16.0
>
>
> NPE is seen in logs when querying Postgres table:
> {code:sql}
> select 1 from postgres.public.tdt
> {code}
> Stack trace from {{sqlline.log}}:
> {noformat}
> 2019-03-05 13:49:19,395 [23819dc0-abf8-24f3-ea81-6ced1b6e11af:foreman] WARN
> o.a.d.e.p.common.DrillStatsTable - Failed to materialize the stats.
> Continuing without stats.
> java.lang.NullPointerException: null
> at
> org.apache.drill.exec.planner.common.DrillStatsTable$StatsMaterializationVisitor.visit(DrillStatsTable.java:189)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at org.apache.calcite.rel.SingleRel.childrenAccept(SingleRel.java:72)
> [calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
> at org.apache.calcite.rel.RelVisitor.visit(RelVisitor.java:44)
> [calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
> at
> org.apache.drill.exec.planner.common.DrillStatsTable$StatsMaterializationVisitor.visit(DrillStatsTable.java:202)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at org.apache.calcite.rel.RelVisitor.go(RelVisitor.java:61)
> [calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
> at
> org.apache.drill.exec.planner.common.DrillStatsTable$StatsMaterializationVisitor.materialize(DrillStatsTable.java:177)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRawDrel(DefaultSqlHandler.java:235)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:331)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:178)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan(DrillSqlWorker.java:204)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.convertPlan(DrillSqlWorker.java:114)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:80)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:584)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:272)
> [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> [na:1.8.0_191]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [na:1.8.0_191]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_191]
> {noformat}
> But query runs and returns the correct result.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
