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https://issues.apache.org/jira/browse/SLING-8407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16836445#comment-16836445
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Carsten Ziegeler commented on SLING-8407:
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The query is not provided by the caller of the API, it is constructed in the
impl, therefore there is no point in throwing an exception if the query is not
correct back to he caller. It's not the fault of the caller. Therefore it is
ignored. A comment in the code sounds like a good idea
> JobManagerImpl.findJobs should prevent traversal
> ------------------------------------------------
>
> Key: SLING-8407
> URL: https://issues.apache.org/jira/browse/SLING-8407
> Project: Sling
> Issue Type: Improvement
> Components: Event
> Reporter: Thomas Mueller
> Priority: Major
>
> The method
> [JobManagerImpl.findJobs|https://github.com/apache/sling-org-apache-sling-event/blob/master/src/main/java/org/apache/sling/event/impl/jobs/JobManagerImpl.java#L373]
> runs a JCR query to find all jobs for a topic.
> It is possible that such a query is running while the repository isn't
> initialized yet, meaning while the index isn't available yet. What is
> happening in this case is that the query is traversing all nodes below that
> path, triggering a warning that the query doesn't use an index. It is
> sometimes happening when a health check is running before the repository is
> initialized (ReplicationQueueHealthCheck and DistributionQueueHealthCheck).
> It doesn't make sense that the query traverses the nodes. It should use an
> index. If the index isn't available yet, it should fail. Therefore, the query
> should use "option(traversal fail)". That would result in an exception that
> can be caught. I will log a related issue to change the health checks to
> process this exception and return HEALTH_CHECK_ERROR for this case.
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