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https://issues.apache.org/jira/browse/SOLR-16891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17743289#comment-17743289
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Houston Putman commented on SOLR-16891:
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This will fix the CloudScreen without changing how the cloud screen works. We
should definitely remove the ZookeeperInformationHandler hack in the future and
add filters & pagination to the ClusterStatus API. We could get rid of this
code and the pagination itself would be less buggy.
> Solr Cloud Graph screen blank
> -----------------------------
>
> Key: SOLR-16891
> URL: https://issues.apache.org/jira/browse/SOLR-16891
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Admin UI
> Affects Versions: 9.3
> Reporter: Houston Putman
> Priority: Blocker
> Fix For: 9.3
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The Solr Admin UI - Cloud - Graph screen is blank. This was not an issue in
> Solr 9.2.1, so an API must have changed to make this no longer work.
> After some investigation, the screen uses the Zookeeper API to look at
> {{{}clusterstate.json{}}}, so there must have been some back-compat logic in
> the Zookeeper API to make that work given that {{clusterstate.json}} no
> longer exists. This may no longer work.
> As an easy fix, we can just move to using the Collections ClusterStatus API
> which returns the same data that used to exist in the
> {{{}clusterstate.json{}}}, so we don't even need to map fields or anything.
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