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https://issues.apache.org/jira/browse/LENS-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15887439#comment-15887439
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Puneet Gupta commented on LENS-1372:
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Not sure how ctx can be null on restart.
org.apache.lens.server.query.QueryExecutionServiceImpl#writeExternal is
persisting all query contexts (QueryExecutionServiceImpl#allQueries) before
restart and restoring them after restart
QueryExecutionServiceImpl#readExternal).
Do we see any persistence failures in log
(org.apache.lens.server.LensServices#stop,
aorg.apache.lens.server.LensServices#persistLensServiceState) ?
> QueryRetryTest is flaky
> -----------------------
>
> Key: LENS-1372
> URL: https://issues.apache.org/jira/browse/LENS-1372
> Project: Apache Lens
> Issue Type: Test
> Components: server, test
> Affects Versions: 2.7
> Reporter: Ted Yu
> Assignee: Rajat Khandelwal
> Priority: Minor
> Fix For: 2.7
>
>
> From
> https://builds.apache.org/job/PreCommit-Lens-Build/1145/testReport/junit/org.apache.lens.server.query.retry/QueryRetryTest/testRestartWhileRetry/
> :
> {code}
> java.lang.NullPointerException: null
> at
> org.apache.lens.server.query.retry.QueryRetryTest.testRestartWhileRetry(QueryRetryTest.java:201)
> {code}
> Here is related code:
> {code}
> ctx = getQueryService().getQueryContext(handle);
> while (!ctx.getStatus().finished()) {
> {code}
> The test should handle the case where status is null.
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