Denys Ordynskiy created DRILL-7079:
--------------------------------------

             Summary: Drill can't query views from the S3 storage when plain 
authentication is enabled
                 Key: DRILL-7079
                 URL: https://issues.apache.org/jira/browse/DRILL-7079
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Denys Ordynskiy


Enable plain authentication in Drill.
Create the view on the S3 storage:
create view s3.tmp.`testview` as select * from cp.`employee.json` limit 20;
Try to select data from the created view:
select * from s3.tmp.`testview`;

*Actual result*:
{noformat}
2019-02-27 17:01:09,202 [Client-1] INFO  o.a.d.j.i.DrillCursor$ResultsListener 
- [#4] Query failed: 
org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: 
IllegalArgumentException: A valid userName is expected


Please, refer to logs for more information.

[Error Id: 2271c3aa-6d09-4b51-a585-0e0e954b46eb on maprhost:31010]
        at 
org.apache.drill.exec.rpc.user.QueryResultHandler.resultArrived(QueryResultHandler.java:123)
 [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.rpc.user.UserClient.handle(UserClient.java:422) 
[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at org.apache.drill.exec.rpc.user.UserClient.handle(UserClient.java:96) 
[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:273) 
[drill-rpc-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:243) 
[drill-rpc-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88)
 [netty-codec-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287)
 [netty-handler-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
 [netty-codec-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:312)
 [netty-codec-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:286)
 [netty-codec-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1294)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:911)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:645) 
[netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497) 
[netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459) 
[netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131)
 [netty-common-4.0.48.Final.jar:4.0.48.Final]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_191]
org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception 
during fragment initialization: A valid userName is expected
        at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:300) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at .......(:0) ~[na:na]
Caused by: java.lang.IllegalArgumentException: A valid userName is expected
        at 
org.apache.drill.shaded.guava.com.google.common.base.Preconditions.checkArgument(Preconditions.java:135)
 ~[drill-shaded-guava-23.0.jar:23.0]
        at 
org.apache.drill.exec.store.SchemaConfig.newBuilder(SchemaConfig.java:48) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.store.SchemaTreeProvider.createRootSchema(SchemaTreeProvider.java:98)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.ops.QueryContext.getRootSchema(QueryContext.java:162) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.ops.ViewExpansionContext$ViewExpansionToken.getSchemaTree(ViewExpansionContext.java:169)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.logical.DrillViewTable.toRel(DrillViewTable.java:73)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.calcite.prepare.RelOptTableImpl.toRel(RelOptTableImpl.java:268) 
~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.sql2rel.RelStructuredTypeFlattener.rewriteRel(RelStructuredTypeFlattener.java:693)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at .......(:0) ~[na:na]
        at 
org.apache.calcite.util.ReflectUtil.invokeVisitorInternal(ReflectUtil.java:257) 
~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.util.ReflectUtil.invokeVisitor(ReflectUtil.java:214) 
~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.util.ReflectUtil$1.invokeVisitor(ReflectUtil.java:464) 
~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.sql2rel.RelStructuredTypeFlattener$RewriteRelVisitor.visit(RelStructuredTypeFlattener.java:759)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        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.calcite.sql2rel.RelStructuredTypeFlattener$RewriteRelVisitor.visit(RelStructuredTypeFlattener.java:754)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.sql2rel.RelStructuredTypeFlattener.rewrite(RelStructuredTypeFlattener.java:194)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.flattenTypes(SqlToRelConverter.java:466)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.drill.exec.planner.sql.SqlConverter.toRel(SqlConverter.java:386) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRel(DefaultSqlHandler.java:692)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.validateAndConvert(DefaultSqlHandler.java:203)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:173)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan(DrillSqlWorker.java:184)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.DrillSqlWorker.convertPlan(DrillSqlWorker.java:110)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:76)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:584) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:272) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        ... 1 common frames omitted
2019-02-27 17:09:14,709 [Client-1] INFO  o.a.d.j.i.DrillCursor$ResultsListener 
- [#5] Query failed: 
org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: 
IllegalArgumentException: A valid userName is expected


Please, refer to logs for more information.

[Error Id: 4a9ca7ea-a7e2-4214-a21e-dfd99733b923 on maprhost:31010]
        at 
org.apache.drill.exec.rpc.user.QueryResultHandler.resultArrived(QueryResultHandler.java:123)
 [drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.rpc.user.UserClient.handle(UserClient.java:422) 
[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at org.apache.drill.exec.rpc.user.UserClient.handle(UserClient.java:96) 
[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:273) 
[drill-rpc-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:243) 
[drill-rpc-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88)
 [netty-codec-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287)
 [netty-handler-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
 [netty-codec-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:312)
 [netty-codec-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:286)
 [netty-codec-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1294)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:911)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:645) 
[netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580)
 [netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497) 
[netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459) 
[netty-transport-4.0.48.Final.jar:4.0.48.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131)
 [netty-common-4.0.48.Final.jar:4.0.48.Final]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_191]
org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception 
during fragment initialization: A valid userName is expected
        at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:300) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at .......(:0) ~[na:na]
Caused by: java.lang.IllegalArgumentException: A valid userName is expected
        at 
org.apache.drill.shaded.guava.com.google.common.base.Preconditions.checkArgument(Preconditions.java:135)
 ~[drill-shaded-guava-23.0.jar:23.0]
        at 
org.apache.drill.exec.store.SchemaConfig.newBuilder(SchemaConfig.java:48) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.store.SchemaTreeProvider.createRootSchema(SchemaTreeProvider.java:98)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.ops.QueryContext.getRootSchema(QueryContext.java:162) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.ops.ViewExpansionContext$ViewExpansionToken.getSchemaTree(ViewExpansionContext.java:169)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.logical.DrillViewTable.toRel(DrillViewTable.java:73)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.calcite.prepare.RelOptTableImpl.toRel(RelOptTableImpl.java:268) 
~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.sql2rel.RelStructuredTypeFlattener.rewriteRel(RelStructuredTypeFlattener.java:693)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at .......(:0) ~[na:na]
        at 
org.apache.calcite.util.ReflectUtil.invokeVisitorInternal(ReflectUtil.java:257) 
~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.util.ReflectUtil.invokeVisitor(ReflectUtil.java:214) 
~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.util.ReflectUtil$1.invokeVisitor(ReflectUtil.java:464) 
~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.sql2rel.RelStructuredTypeFlattener$RewriteRelVisitor.visit(RelStructuredTypeFlattener.java:759)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        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.calcite.sql2rel.RelStructuredTypeFlattener$RewriteRelVisitor.visit(RelStructuredTypeFlattener.java:754)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.sql2rel.RelStructuredTypeFlattener.rewrite(RelStructuredTypeFlattener.java:194)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.calcite.sql2rel.SqlToRelConverter.flattenTypes(SqlToRelConverter.java:466)
 ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at 
org.apache.drill.exec.planner.sql.SqlConverter.toRel(SqlConverter.java:386) 
~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRel(DefaultSqlHandler.java:692)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.validateAndConvert(DefaultSqlHandler.java:203)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:173)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan(DrillSqlWorker.java:184)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.DrillSqlWorker.convertPlan(DrillSqlWorker.java:110)
 ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
        at 
org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:76)
 ~[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]
        ... 1 common frames omitted
2019-02-28 12:59:32,415 [main] INFO  o.a.drill.common.config.DrillConfig - 
Configuration and plugin file(s) identified in 50ms.
Base Configuration:
        - 
jar:file:/opt/mapr/drill/drill-1.16.0-SNAPSHOT/jars/drill-common-1.16.0-SNAPSHOT.jar!/drill-default.conf
{noformat}
*Expected result*:
Drill successfully returns the query result.



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