[jira] [Commented] (TOREE-508) Reply errors to iopub.error instead of iopub.exec_result

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TOREE-508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16995558#comment-16995558 ] 

ASF GitHub Bot commented on TOREE-508:
--------------------------------------

gmcoringa commented on pull request #180: [TOREE-508] Reply errors to iopub.error instead of iopub.exec_result
URL: https://github.com/apache/incubator-toree/pull/180
 
 
   Fix string values within Metadata, the values needs to be json string.
   Reply errors to iopub.error instead of iopub.exec_result
   
 
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> Reply errors to iopub.error instead of iopub.exec_result
> --------------------------------------------------------
>
>                 Key: TOREE-508
>                 URL: https://issues.apache.org/jira/browse/TOREE-508
>             Project: TOREE
>          Issue Type: Bug
>            Reporter: Fabiano V. Santos
>            Priority: Major
>
> Errors of any kind (compilation, exceptions, etc) returns as normal results instead of using iopub.error, so jupyter interpret the cell execution as success which lead to problems if you use tools like papermill to schedule notebooks, as you never know if the notebook execution was successfully or not.



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