[ https://issues.apache.org/jira/browse/DRILL-7076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16806882#comment-16806882 ]
Volodymyr Vysotskyi commented on DRILL-7076: -------------------------------------------- [~gparai], this issue is also reproduced for the case when a query uses {{sys}} tables, for example for the next query: {code:sql} select * from sys.version {code} logs from {{drillbit.log}} {noformat} 2019-04-01 08:00:34,886 [235dd86c-8d7d-f5bf-2682-4d6698d5d3d2:foreman] INFO o.a.drill.exec.work.foreman.Foreman - Query text for query with id 235dd86c-8d7d-f5bf-2682-4d6698d5d3d2 issued by anonymous: select * from sys.version 2019-04-01 08:00:36,008 [235dd86c-8d7d-f5bf-2682-4d6698d5d3d2:foreman] WARN o.a.d.e.p.common.DrillStatsTable - Failed to materialize the stats. Continuing without stats. org.apache.drill.common.exceptions.DrillRuntimeException: Failed to find the stats for table [[sys, version]] in schema [org.apache.drill.exec.planner.sql.SqlConverter$DrillCalciteCatalogReader@3003126c] at org.apache.drill.exec.planner.common.DrillStatsTable$StatsMaterializationVisitor.visit(DrillStatsTable.java:223) [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$StatsMaterializationVisitor.visit(DrillStatsTable.java:231) [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT] at org.apache.calcite.rel.RelVisitor.go(RelVisitor.java:61) [calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0] at org.apache.drill.exec.planner.common.DrillStatsTable$StatsMaterializationVisitor.materialize(DrillStatsTable.java:206) [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:211) [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT] at org.apache.drill.exec.planner.sql.DrillSqlWorker.convertPlan(DrillSqlWorker.java:116) [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT] at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:82) [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT] at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:587) [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT] at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:271) [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_161] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_161] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_161] {noformat} > NPE is logged when querying postgres tables > ------------------------------------------- > > Key: DRILL-7076 > URL: https://issues.apache.org/jira/browse/DRILL-7076 > Project: Apache Drill > Issue Type: Bug > Affects Versions: 1.16.0 > Reporter: Volodymyr Vysotskyi > Assignee: Gautam Parai > Priority: Blocker > Fix For: 1.16.0 > > > NPE is seen in logs when querying PostgresĀ table: > {code:sql} > select 1 from postgres.public.tdt > {code} > Stack trace from {{sqlline.log}}: > {noformat} > 2019-03-05 13:49:19,395 [23819dc0-abf8-24f3-ea81-6ced1b6e11af:foreman] WARN > o.a.d.e.p.common.DrillStatsTable - Failed to materialize the stats. > Continuing without stats. > java.lang.NullPointerException: null > at > org.apache.drill.exec.planner.common.DrillStatsTable$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)