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Posted to dev@lucene.apache.org by "Shai Erera (JIRA)" <ji...@apache.org> on 2016/01/18 05:22:39 UTC

[jira] [Updated] (SOLR-8561) Add fallback to ZkController.getLeaderProps for a mixed 5.4-pre-5.4 deployments

     [ https://issues.apache.org/jira/browse/SOLR-8561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shai Erera updated SOLR-8561:
-----------------------------
    Attachment: SOLR-8561.patch

[~markrmiller@gmail.com], same patch as I added on SOLR-7844. I will add the CHANGES entry after I know to which section it belongs (i.e. if we make it to 5.4.1).

> 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
>         Attachments: 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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