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Posted to dev@lucene.apache.org by "Mark Miller (JIRA)" <ji...@apache.org> on 2015/11/11 15:53:11 UTC

[jira] [Commented] (SOLR-8069) Ensure that only the valid ZooKeeper registered leader can put a replica into Leader Initiated Recovery.

    [ https://issues.apache.org/jira/browse/SOLR-8069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15000453#comment-15000453 ] 

Mark Miller commented on SOLR-8069:
-----------------------------------

The problem is unrelated to this issue. That assert is correct and it's catching a bug with SOLR-8075 or something. It's passing null when it should pass the core descriptor.

> Ensure that only the valid ZooKeeper registered leader can put a replica into Leader Initiated Recovery.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-8069
>                 URL: https://issues.apache.org/jira/browse/SOLR-8069
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>            Priority: Critical
>             Fix For: 5.4, Trunk
>
>         Attachments: SOLR-8069.patch, SOLR-8069.patch
>
>
> I've seen this twice now. Need to work on a test.
> When some issues hit all the replicas at once, you can end up in a situation where the rightful leader was put or put itself into LIR. Even on restart, this rightful leader won't take leadership and you have to manually clear the LIR nodes.
> It seems that if all the replicas participate in election on startup, LIR should just be cleared.



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