[jira] [Commented] (LENS-576) Cannot retrieve query results on lens server restart

["Rajat Khandelwal (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LENS-576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14642669#comment-14642669 ] 

Rajat Khandelwal commented on LENS-576:
---------------------------------------

Can we include it in 2.3? 

> Cannot retrieve query results on lens server restart
> ----------------------------------------------------
>
>                 Key: LENS-576
>                 URL: https://issues.apache.org/jira/browse/LENS-576
>             Project: Apache Lens
>          Issue Type: Bug
>            Reporter: Deepak Barr
>            Assignee: Deepak Barr
>            Priority: Critical
>             Fix For: 2.3
>
>
> In the event of lens server restart, We can not obtain the query result by calling "/queryuiapi/queries/{queryHandle}/httpresultset" API  as LensPersistentResult does not get created. This is because QueryOutputFormatter variable in QueryContext object is always null.This QueryOutputFormatter is important to create LensPersistedResultSet (see getResultset() method in QueryExecutionServiceImpl class) .
> Reason : One can see that QueryOutputFormatter variable in QueryContext class is not serialized. Therefore, on server restart, this variable is always null in QueryContext for all queries.



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