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https://issues.apache.org/jira/browse/DRILL-6013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Volodymyr Vysotskyi resolved DRILL-6013.
----------------------------------------
Resolution: Cannot Reproduce
Fix Version/s: 1.16.0
> requesting INFORMATION_SCHEMA with a postgresql connector generates a null
> pointer exception
> --------------------------------------------------------------------------------------------
>
> Key: DRILL-6013
> URL: https://issues.apache.org/jira/browse/DRILL-6013
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.11.0
> Environment: debian 8, postgresql 8.6
> Reporter: Gaëtan Lehmann
> Priority: Major
> Fix For: 1.16.0
>
>
> This select from
> https://drill.apache.org/docs/querying-the-information-schema/ works great
> with other sources (cp, dfs), but generates an error with postgresql:
> {code:sql}
> SELECT TABLE_SCHEMA, TABLE_NAME, TABLE_TYPE
> FROM INFORMATION_SCHEMA.`TABLES`
> ORDER BY TABLE_NAME DESC;
> {code}
> The error is:
> {code}
> Query Failed: An Error Occurred
> org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR:
> NullPointerException: Error. Type information for table
> pg.information_schema._pg_foreign_data_wrappers provided is null. Fragment
> 0:0 [Error Id: c6f8bac2-f74f-4018-bbea-86ded61a432f on worker1:31010]
> {code}
> I got this error message in drillbit.log:
> {code}
> 2017-12-06 06:56:11,317 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:foreman] INFO
> o.a.drill.exec.work.foreman.Foreman - Query text for query id
> 25d86b73-f65b-af3f-7dc4-895c0dfda68a: SELECT TABLE_SCHEMA, TABLE_NAME,
> TABLE_TYPE
> FROM INFORMATION_SCHEMA.`TABLES`
> ORDER BY TABLE_NAME DESC
> 2017-12-06 06:56:11,335 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:foreman] INFO
> o.a.d.c.s.persistence.ScanResult - loading 7 classes for
> org.apache.drill.exec.store.dfs.FormatPlugin took 0ms
> 2017-12-06 06:56:11,336 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:foreman] INFO
> o.a.d.c.s.persistence.ScanResult - loading 8 classes for
> org.apache.drill.common.logical.FormatPluginConfig took 0ms
> 2017-12-06 06:56:11,336 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:foreman] INFO
> o.a.d.c.s.persistence.ScanResult - loading 8 classes for
> org.apache.drill.common.logical.FormatPluginConfig took 0ms
> 2017-12-06 06:56:11,336 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:foreman] INFO
> o.a.d.c.s.persistence.ScanResult - loading 8 classes for
> org.apache.drill.common.logical.FormatPluginConfig took 0ms
> 2017-12-06 06:56:11,399 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:frag:0:0] INFO
> o.a.d.c.s.persistence.ScanResult - loading 7 classes for
> org.apache.drill.exec.store.dfs.FormatPlugin took 0ms
> 2017-12-06 06:56:11,400 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:frag:0:0] INFO
> o.a.d.c.s.persistence.ScanResult - loading 8 classes for
> org.apache.drill.common.logical.FormatPluginConfig took 0ms
> 2017-12-06 06:56:11,401 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:frag:0:0] INFO
> o.a.d.c.s.persistence.ScanResult - loading 8 classes for
> org.apache.drill.common.logical.FormatPluginConfig took 0ms
> 2017-12-06 06:56:11,401 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:frag:0:0] INFO
> o.a.d.c.s.persistence.ScanResult - loading 8 classes for
> org.apache.drill.common.logical.FormatPluginConfig took 0ms
> 2017-12-06 06:56:11,422 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:frag:0:0] INFO
> o.a.d.e.w.fragment.FragmentExecutor -
> 25d86b73-f65b-af3f-7dc4-895c0dfda68a:0:0: State change requested
> AWAITING_ALLOCATION --> FAILED
> 2017-12-06 06:56:11,422 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:frag:0:0] INFO
> o.a.d.e.w.fragment.FragmentExecutor -
> 25d86b73-f65b-af3f-7dc4-895c0dfda68a:0:0: State change requested FAILED -->
> FINISHED
> 2017-12-06 06:56:11,423 [25d86b73-f65b-af3f-7dc4-895c0dfda68a:frag:0:0] ERROR
> o.a.d.e.w.fragment.FragmentExecutor - SYSTEM ERROR: NullPointerException:
> Error. Type information for table
> pg.information_schema._pg_foreign_data_wrappers provided is null.
> Fragment 0:0
> [Error Id: c6f8bac2-f74f-4018-bbea-86ded61a432f on worker1:31010]
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR:
> NullPointerException: Error. Type information for table
> pg.information_schema._pg_foreign_data_wrappers provided is null.
> Fragment 0:0
> [Error Id: c6f8bac2-f74f-4018-bbea-86ded61a432f on worker1:31010]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:550)
> ~[drill-common-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:295)
> [drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160)
> [drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:264)
> [drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-1.11.0.jar:1.11.0]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_131]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_131]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131]
> Caused by: java.lang.NullPointerException: Error. Type information for table
> pg.information_schema._pg_foreign_data_wrappers provided is null.
> at
> com.google.common.base.Preconditions.checkNotNull(Preconditions.java:250)
> ~[guava-18.0.jar:na]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator$Tables.visitTableWithType(InfoSchemaRecordGenerator.java:314)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator$Tables.visitTables(InfoSchemaRecordGenerator.java:308)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:215)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:208)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:208)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:195)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaTableType.getRecordReader(InfoSchemaTableType.java:58)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaBatchCreator.getBatch(InfoSchemaBatchCreator.java:36)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.store.ischema.InfoSchemaBatchCreator.getBatch(InfoSchemaBatchCreator.java:30)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:156)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:179)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:136)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:179)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:136)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:179)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:136)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:179)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:136)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:179)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getRootExec(ImplCreator.java:109)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.physical.impl.ImplCreator.getExec(ImplCreator.java:87)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:207)
> [drill-java-exec-1.11.0.jar:1.11.0]
> ... 4 common frames omitted
> 2017-12-06 06:56:11,429 [qtp966446307-165] ERROR
> o.a.d.e.server.rest.QueryResources - Query from Web UI Failed
> org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR:
> NullPointerException: Error. Type information for table
> pg.information_schema._pg_foreign_data_wrappers provided is null.
> Fragment 0:0
> [Error Id: c6f8bac2-f74f-4018-bbea-86ded61a432f on worker1:31010]
> at
> org.apache.drill.exec.rpc.AbstractDisposableUserClientConnection.sendResult(AbstractDisposableUserClientConnection.java:85)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.foreman.Foreman$ForemanResult.close(Foreman.java:868)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.foreman.Foreman.moveToState(Foreman.java:977)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.foreman.Foreman.access$2600(Foreman.java:115)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.foreman.Foreman$StateSwitch.processEvent(Foreman.java:1027)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.foreman.Foreman$StateSwitch.processEvent(Foreman.java:1020)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.common.EventProcessor.processEvents(EventProcessor.java:107)
> ~[drill-common-1.11.0.jar:1.11.0]
> at
> org.apache.drill.common.EventProcessor.sendEvent(EventProcessor.java:65)
> ~[drill-common-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.foreman.Foreman$StateSwitch.addEvent(Foreman.java:1022)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.foreman.Foreman.addToEventQueue(Foreman.java:1040)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.foreman.QueryManager$1.statusUpdate(QueryManager.java:521)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.rpc.control.WorkEventBus.statusUpdate(WorkEventBus.java:71)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.batch.ControlMessageHandler.handle(ControlMessageHandler.java:94)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.work.batch.ControlMessageHandler.handle(ControlMessageHandler.java:55)
> ~[drill-java-exec-1.11.0.jar:1.11.0]
> at org.apache.drill.exec.rpc.BasicServer.handle(BasicServer.java:157)
> ~[drill-rpc-1.11.0.jar:1.11.0]
> at org.apache.drill.exec.rpc.BasicServer.handle(BasicServer.java:53)
> ~[drill-rpc-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:274)
> ~[drill-rpc-1.11.0.jar:1.11.0]
> at
> org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:244)
> ~[drill-rpc-1.11.0.jar:1.11.0]
> at
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
> ~[netty-codec-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:150)
> ~[netty-handler-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
> ~[netty-codec-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:242)
> ~[netty-codec-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:847)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
> ~[netty-transport-4.0.27.Final.jar:4.0.27.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
> ~[netty-common-4.0.27.Final.jar:4.0.27.Final]
> at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_131]
> 2017-12-06 06:56:11,437 [BitServer-4] WARN
> o.a.drill.exec.work.foreman.Foreman - Dropping request to move to COMPLETED
> state as query is already at FAILED state (which is terminal).
> 2017-12-06 06:56:11,440 [BitServer-4] WARN o.a.d.e.w.b.ControlMessageHandler
> - Dropping request to cancel fragment.
> 25d86b73-f65b-af3f-7dc4-895c0dfda68a:0:0 does not exist.
> {code}
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