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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2085) Failed to propagate error
Date Thu, 02 Apr 2015 19:59:55 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14393265#comment-14393265
] 

Deneche A. Hakim commented on DRILL-2085:
-----------------------------------------

I reverted back my branch to {{git.commit.id.abbrev=3e33880}} and was able to reproduce the
error. It seems that the server returns a first batch with NULL data which throws a NullPointerException
in {{DrillCursor}}, this caused the query to be cancelled from the client side. For this specific
case, it's not an error propagation problem because there was no failure on the server side
"yet" 

> Failed to propagate error
> -------------------------
>
>                 Key: DRILL-2085
>                 URL: https://issues.apache.org/jira/browse/DRILL-2085
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators
>            Reporter: Rahul Challapalli
>            Assignee: Deneche A. Hakim
>            Priority: Minor
>             Fix For: 1.0.0
>
>
> git.commit.id.abbrev=3e33880
> The below issue is only happening with order by operator
> Data Set :
> {code}
> {
>   "id" : 1,
>   "list" : [{"a":1}, {"a":2}]
> }
> {code}
> Query : 
> {code}
> select t.list, flatten(t.list) from `temp1.json` t order by t.id;
> Error: exception while executing query: null (state=,code=0)
> {code}
> Even the below log file does not indicate the appropriate error
> Log Contents :
> {code}
> 2015-01-27 21:19:27,835 [2b37ff20-7a96-5645-2038-02506c75874e:foreman] INFO  o.a.drill.exec.work.foreman.Foreman
- State change requested.  PENDING --> RUNNING
> 2015-01-27 21:19:27,896 [UserServer-1] INFO  o.a.drill.exec.work.foreman.Foreman - State
change requested.  RUNNING --> CANCELED
> 2015-01-27 21:19:27,910 [UserServer-1] INFO  o.a.drill.exec.work.foreman.Foreman - State
change requested.  CANCELED --> COMPLETED
> 2015-01-27 21:19:27,910 [UserServer-1] WARN  o.a.drill.exec.work.foreman.Foreman - Dropping
request to move to COMPLETED state as query is already at CANCELED state (which is terminal).
> {code}
> The actual issue seems to have been fixed by mehan't new fixes. So I am raising this
JIRA to track the issue with logging
> Let me know if you have any questions



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