[DRILL-4863] JDBC Storage Plugin SYSTEM ERROR: NullPointerException Error

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.7.0
• Component/s: Storage - JDBC

Environment

• Ubuntu 14.04.1 LTS (GNU/Linux 3.13.0-40-generic x86_64)
• Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
• Data Source: mysql Ver 14.14 Distrib 5.7.10

• Assignee: Unassigned
• Reporter: Christopher Altman
• Created: 25/Aug/16 17:46
• Updated: 01/Sep/16 17:41

Description

When running the query:

SELECT * FROM (SELECT count(*) from mysql.test.acme_sales ) T LIMIT 0

I receive the error:

 SYSTEM ERROR: NullPointerException

Here are the logs

SYSTEM ERROR: NullPointerException



  (org.apache.drill.exec.work.foreman.ForemanException) Unexpected exception during fragment initialization: null
    org.apache.drill.exec.work.foreman.Foreman.run():271
    java.util.concurrent.ThreadPoolExecutor.runWorker():1145
    java.util.concurrent.ThreadPoolExecutor$Worker.run():615
    java.lang.Thread.run():745
  Caused By (java.lang.NullPointerException) null
    org.apache.drill.exec.planner.sql.handlers.FindLimit0Visitor$FindHardDistributionScans.visit():262
    org.apache.calcite.rel.core.TableScan.accept():166
    org.apache.calcite.rel.RelShuttleImpl.visitChild():53
    org.apache.calcite.rel.RelShuttleImpl.visitChildren():68
    org.apache.calcite.rel.RelShuttleImpl.visit():126
    org.apache.calcite.rel.AbstractRelNode.accept():256
    org.apache.calcite.rel.RelShuttleImpl.visitChild():53
    org.apache.calcite.rel.RelShuttleImpl.visitChildren():68
    org.apache.calcite.rel.RelShuttleImpl.visit():126
    org.apache.calcite.rel.AbstractRelNode.accept():256
    org.apache.calcite.rel.RelShuttleImpl.visitChild():53
    org.apache.calcite.rel.RelShuttleImpl.visitChildren():68
    org.apache.calcite.rel.RelShuttleImpl.visit():126
    org.apache.calcite.rel.AbstractRelNode.accept():256
    org.apache.calcite.rel.RelShuttleImpl.visitChild():53
    org.apache.calcite.rel.RelShuttleImpl.visitChildren():68
    org.apache.calcite.rel.RelShuttleImpl.visit():126
    org.apache.calcite.rel.AbstractRelNode.accept():256
    org.apache.drill.exec.planner.sql.handlers.FindLimit0Visitor.containsLimit0():129
    org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel():259
    org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel():286
    org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan():168
    org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan():94
    org.apache.drill.exec.work.foreman.Foreman.runSQL():978
    org.apache.drill.exec.work.foreman.Foreman.run():257
    java.util.concurrent.ThreadPoolExecutor.runWorker():1145
    java.util.concurrent.ThreadPoolExecutor$Worker.run():615
    java.lang.Thread.run():745
          
Error Id: c9a4bc51-a18c-408a-9958-23124b9aac47 on 10.0.1.241:31010]
org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: NullPointerException


[Error Id: c9a4bc51-a18c-408a-9958-23124b9aac47 on 10.0.1.241:31010]
	at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:543) ~[drill-common-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.work.foreman.Foreman$ForemanResult.close(Foreman.java:791) [drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.work.foreman.Foreman.moveToState(Foreman.java:901) [drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:271) [drill-java-exec-1.7.0.jar:1.7.0]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_80]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_80]
	at java.lang.Thread.run(Thread.java:745) [na:1.7.0_80]
Caused by: org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception during fragment initialization: null
	... 4 common frames omitted
Caused by: java.lang.NullPointerException: null
	at org.apache.drill.exec.planner.sql.handlers.FindLimit0Visitor$FindHardDistributionScans.visit(FindLimit0Visitor.java:262) ~[drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.calcite.rel.core.TableScan.accept(TableScan.java:166) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:53) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:68) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:126) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.AbstractRelNode.accept(AbstractRelNode.java:256) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:53) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:68) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:126) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.AbstractRelNode.accept(AbstractRelNode.java:256) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:53) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:68) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:126) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.AbstractRelNode.accept(AbstractRelNode.java:256) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:53) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:68) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:126) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.calcite.rel.AbstractRelNode.accept(AbstractRelNode.java:256) ~[calcite-core-1.4.0-drill-r11.jar:1.4.0-drill-r11]
	at org.apache.drill.exec.planner.sql.handlers.FindLimit0Visitor.containsLimit0(FindLimit0Visitor.java:129) ~[drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:259) ~[drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:286) ~[drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:168) ~[drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:94) ~[drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:978) [drill-java-exec-1.7.0.jar:1.7.0]
	at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:257) [drill-java-exec-1.7.0.jar:1.7.0]
	... 3 common frames omitted

I am using Apache Drill 1.7 on a Ubuntu 14.04 Server Connecting to MySql 5.7.