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https://issues.apache.org/jira/browse/SOLR-8561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15137886#comment-15137886
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ASF subversion and git services commented on SOLR-8561:
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Commit a128bd36b26457c7686be8209d985d2753969766 in lucene-solr's branch
refs/heads/branch_5_4 from [~shaie]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=a128bd3 ]
SOLR-8561: Add fallback to ZkController.getLeaderProps for a mixed 5.4-pre-5.4
deployments
git-svn-id:
https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_5_4@1725212
13f79535-47bb-0310-9956-ffa450edef68
> Add fallback to ZkController.getLeaderProps for a mixed 5.4-pre-5.4
> deployments
> -------------------------------------------------------------------------------
>
> Key: SOLR-8561
> URL: https://issues.apache.org/jira/browse/SOLR-8561
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Reporter: Shai Erera
> Assignee: Shai Erera
> Fix For: 5.5, 5.4.1
>
> Attachments: SOLR-8561.patch, SOLR-8561.patch
>
>
> See last comments in SOLR-7844. The latter changed the structure of the
> leader path in ZK such that upgrading from pre-5.4 to 5.4 is impossible,
> unless all nodes are taken down. This issue adds a fallback logic to look for
> the leader properties on the old ZK node, as discussed.
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