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Posted to dev@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2014/05/12 23:38:18 UTC
[jira] [Updated] (DRILL-653) Group By Query hangs
[ https://issues.apache.org/jira/browse/DRILL-653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jacques Nadeau updated DRILL-653:
---------------------------------
Component/s: Execution - Flow
Assignee: Jacques Nadeau
> Group By Query hangs
> ---------------------
>
> Key: DRILL-653
> URL: https://issues.apache.org/jira/browse/DRILL-653
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 1.0.0-milestone-1
> Reporter: Bhallamudi Venkata Siva Kamesh
> Assignee: Jacques Nadeau
>
> The following query (using hive schema)
> {noformat}
> select c5, max(c3) from drill.table group by c5;
> {noformat}
> hangs and the at the drill bit side, getting the following exception
> {noformat}
> 10:54:47.740 [BitServer-1] ERROR o.a.d.e.w.f.AbstractStatusReporter - Error d03a795f-a881-4c90-9d76-ec6a0abb33e6: Failure while parsing fragment execution plan.
> com.fasterxml.jackson.databind.JsonMappingException: Can not find a (Map) Key deserializer for type [collection type; class java.util.List, contains [simple type, class java.lang.String]]
> at com.fasterxml.jackson.databind.ObjectReader.readValue(ObjectReader.java:830) ~[jackson-databind-2.2.0.jar:2.2.0]
> at org.apache.drill.exec.planner.PhysicalPlanReader.readFragmentOperator(PhysicalPlanReader.java:96) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at org.apache.drill.exec.work.batch.ControlHandlerImpl.startNewRemoteFragment(ControlHandlerImpl.java:107) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at org.apache.drill.exec.work.batch.ControlHandlerImpl.handle(ControlHandlerImpl.java:80) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at org.apache.drill.exec.rpc.control.ControlServer.handle(ControlServer.java:56) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at org.apache.drill.exec.rpc.control.ControlServer.handle(ControlServer.java:34) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:154) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> at org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:139) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> {noformat}
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