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From "Sean Hsuan-Yi Chu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2104) Web interface hangs after query-submission error
Date Thu, 29 Jan 2015 01:20:35 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14296207#comment-14296207
] 

Sean Hsuan-Yi Chu commented on DRILL-2104:
------------------------------------------

Daniel, just to confirm. Are you based on latest master? 

I did not observe the hanging issue in my environment.

> Web interface hangs after query-submission error
> ------------------------------------------------
>
>                 Key: DRILL-2104
>                 URL: https://issues.apache.org/jira/browse/DRILL-2104
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Client - HTTP
>            Reporter: Daniel Barclay (Drill/MapR)
>            Assignee: Jason Altekruse
>
> On the query page, getting an error seems to jam up the web application.
> Example 1:
> 1. Go to query page.
> 2. Click on Submit button (with empty query, type defaulted to "SQL").
> 3. (Get "HTTP ERROR 500 \n Problem accessing /query. Reason: \n    Request failed." error.)
> 4. Click on browser Back button.
> 5. (Get query page.)
> 6. Click on Submit button.
> 7. Web application hangs--browser indicates it's waiting.  (In current case, Mozilla
SeaMonkey says "Waiting for localhost..." and "Stop" icon is enabled.)
> Example 2:
> 1.  Go to query page.
> 2.  Copy sample query ("SELECT * FROM cp.`employee.json` LIMIT 20") and paste into query
box.
> 3.  Click Submit button.
> 4.  (Get tabular results page.)
> 5.  Click on browser Back button.
> 6.  (Get query page, with query still there.)
> 7.  Edit query, adding apparent syntax error (e.g., append ";" to end).
> 8.  Click Submit button.
> 9.  (Get "HTTP ERROR 500" page (rather than good "syntax error" message).)
> 10.  Click on browser Back button.
> 11.  (Get query page, with (bad) query still there.)
> 12.  Fix query (e.g., remove bad appended ";" from end).
> 13.  Click Submit button.
> 14.  Web application hangs--browser indicates it's waiting.



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