[
https://issues.apache.org/jira/browse/DRILL-5406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15951316#comment-15951316
]
Rahul Challapalli commented on DRILL-5406:
------------------------------------------
Another instance of the below query failing. This time the stacktrace shows the
issue happened in the JDBC code
{code}
java.sql.SQLException: SYSTEM ERROR: ClassCastException
Fragment 0:0
[Error Id: 3ef91b70-debf-4e32-a3a0-39010fb42460 on qa-node183.qa.lab:31010]
(java.lang.ClassCastException) null
at
org.apache.drill.jdbc.impl.DrillCursor.nextRowInternally(DrillCursor.java:232)
at
org.apache.drill.jdbc.impl.DrillCursor.loadInitialSchema(DrillCursor.java:275)
at
org.apache.drill.jdbc.impl.DrillResultSetImpl.execute(DrillResultSetImpl.java:1943)
at
org.apache.drill.jdbc.impl.DrillResultSetImpl.execute(DrillResultSetImpl.java:76)
at
oadd.org.apache.calcite.avatica.AvaticaConnection$1.execute(AvaticaConnection.java:473)
at
org.apache.drill.jdbc.impl.DrillMetaImpl.prepareAndExecute(DrillMetaImpl.java:465)
at
oadd.org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:477)
at
org.apache.drill.jdbc.impl.DrillConnectionImpl.prepareAndExecuteInternal(DrillConnectionImpl.java:169)
at
oadd.org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:109)
at
oadd.org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:130)
at
org.apache.drill.jdbc.impl.DrillStatementImpl.executeQuery(DrillStatementImpl.java:112)
at
org.apache.drill.test.framework.DrillTestJdbc.executeQuery(DrillTestJdbc.java:177)
at
org.apache.drill.test.framework.DrillTestJdbc.run(DrillTestJdbc.java:101)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: oadd.org.apache.drill.common.exceptions.UserRemoteException: SYSTEM
ERROR: ClassCastException
Fragment 0:0
[Error Id: 3ef91b70-debf-4e32-a3a0-39010fb42460 on qa-node183.qa.lab:31010]
(java.lang.ClassCastException) null
at
oadd.org.apache.drill.exec.rpc.user.QueryResultHandler.resultArrived(QueryResultHandler.java:123)
at
oadd.org.apache.drill.exec.rpc.user.UserClient.handleReponse(UserClient.java:144)
at
oadd.org.apache.drill.exec.rpc.BasicClientWithConnection.handle(BasicClientWithConnection.java:46)
at
oadd.org.apache.drill.exec.rpc.BasicClientWithConnection.handle(BasicClientWithConnection.java:31)
at oadd.org.apache.drill.exec.rpc.RpcBus.handle(RpcBus.java:65)
at
oadd.org.apache.drill.exec.rpc.RpcBus$RequestEvent.run(RpcBus.java:363)
at
oadd.org.apache.drill.common.SerializedExecutor$RunnableProcessor.run(SerializedExecutor.java:89)
at
oadd.org.apache.drill.exec.rpc.RpcBus$SameExecutor.execute(RpcBus.java:240)
at
oadd.org.apache.drill.common.SerializedExecutor.execute(SerializedExecutor.java:123)
at
oadd.org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:274)
at
oadd.org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:245)
at
oadd.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
at
oadd.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:254)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
at
oadd.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
at
oadd.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:242)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
at
oadd.io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
at
oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
at
oadd.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:847)
at
oadd.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
at
oadd.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
at
oadd.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
at
oadd.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
at oadd.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
at
oadd.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
... 1 more
{code}
> Flatten produces a random ClassCastException
> --------------------------------------------
>
> Key: DRILL-5406
> URL: https://issues.apache.org/jira/browse/DRILL-5406
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - JSON
> Affects Versions: 1.9.0
> Reporter: Rahul Challapalli
>
> I hit a random error on drill 1.9.0. I will try to reproduce the issue on the
> latest master.
> The below query did not fail when I ran it in isolation. However when I ran
> the test suite at [1], which also contains the below query, by using 50
> threads submitting queries concurrently, I hit the below error.
> {code}
> select flatten(convert_from(columns[0], 'JSON')) from
> `json_kvgenflatten/convert4783_2.tbl` where 1=2
> [Error Id: 1b5f4aef-ae34-4af4-9f2f-8349f8dd97c2 on qa-node183.qa.lab:31010]
> (java.lang.ClassCastException)
> org.apache.drill.common.expression.TypedNullConstant cannot be cast to
> org.apache.drill.exec.expr.ValueVectorReadExpression
>
> org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.setupNewSchema():307
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():78
>
> org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch.innerNext():120
> org.apache.drill.exec.record.AbstractRecordBatch.next():162
>
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():215
> org.apache.drill.exec.physical.impl.BaseRootExec.next():104
>
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext():81
> org.apache.drill.exec.physical.impl.BaseRootExec.next():94
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():232
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():226
> java.security.AccessController.doPrivileged():-2
> javax.security.auth.Subject.doAs():422
> org.apache.hadoop.security.UserGroupInformation.doAs():1595
> org.apache.drill.exec.work.fragment.FragmentExecutor.run():226
> org.apache.drill.common.SelfCleaningRunnable.run():38
> java.util.concurrent.ThreadPoolExecutor.runWorker():1142
> java.util.concurrent.ThreadPoolExecutor$Worker.run():617
> java.lang.Thread.run():745
> at
> oadd.org.apache.drill.exec.rpc.user.QueryResultHandler.resultArrived(QueryResultHandler.java:123)
> at
> oadd.org.apache.drill.exec.rpc.user.UserClient.handleReponse(UserClient.java:144)
> at
> oadd.org.apache.drill.exec.rpc.BasicClientWithConnection.handle(BasicClientWithConnection.java:46)
> at
> oadd.org.apache.drill.exec.rpc.BasicClientWithConnection.handle(BasicClientWithConnection.java:31)
> at oadd.org.apache.drill.exec.rpc.RpcBus.handle(RpcBus.java:65)
> at
> oadd.org.apache.drill.exec.rpc.RpcBus$RequestEvent.run(RpcBus.java:363)
> at
> oadd.org.apache.drill.common.SerializedExecutor$RunnableProcessor.run(SerializedExecutor.java:89)
> at
> oadd.org.apache.drill.exec.rpc.RpcBus$SameExecutor.execute(RpcBus.java:240)
> at
> oadd.org.apache.drill.common.SerializedExecutor.execute(SerializedExecutor.java:123)
> at
> oadd.org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:274)
> at
> oadd.org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:245)
> at
> oadd.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at
> oadd.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:254)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at
> oadd.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at
> oadd.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:242)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at
> oadd.io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at
> oadd.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at
> oadd.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:847)
> at
> oadd.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
> at
> oadd.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
> at
> oadd.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
> at
> oadd.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
> at oadd.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
> at
> oadd.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
> ... 1 more
> {code}
> [1]
> https://github.com/mapr/drill-test-framework/tree/master/framework/resources/Functional/json/json_kvgenflatten
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