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https://issues.apache.org/jira/browse/HIVE-19204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16450240#comment-16450240
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Sahil Takiar commented on HIVE-19204:
-------------------------------------
+1 LGTM
> Detailed errors from some tasks are not displayed to the client because the
> tasks don't set exception when they fail
> --------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-19204
> URL: https://issues.apache.org/jira/browse/HIVE-19204
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Affects Versions: 3.0.0
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Priority: Major
> Attachments: HIVE-19204.1.patch, HIVE-19204.2.patch
>
>
> In TaskRunner.java, if the tasks have exception set, then the task result
> will have such exception set and Driver.java will get such details and
> display to the client. But some tasks don't set such exceptions so the client
> won't see such details unless you check the HS2 log.
>
> {noformat}
> public void runSequential() {
> int exitVal = -101;
> try {
> exitVal = tsk.executeTask(ss == null ? null : ss.getHiveHistory());
> } catch (Throwable t) {
> if (tsk.getException() == null) {
> tsk.setException(t);
> }
> LOG.error("Error in executeTask", t);
> }
> result.setExitVal(exitVal);
> if (tsk.getException() != null) {
> result.setTaskError(tsk.getException());
> }
> }
> {noformat}
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