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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2017/03/31 17:03:41 UTC
[jira] [Commented] (DRILL-5406) Flatten produces a random
ClassCastException
[ https://issues.apache.org/jira/browse/DRILL-5406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15951292#comment-15951292 ]
Rahul Challapalli commented on DRILL-5406:
------------------------------------------
Data set used in the query :
{code}
{"map":{"rm": [ {"rptd": [{ "a": "foo"}]}]}}|10
{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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