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Posted to dev@lucene.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2016/12/08 17:04:58 UTC
[jira] [Commented] (SOLR-9834) A variety of spots in the code can
create a collection zk node after the collection has been removed.
[ https://issues.apache.org/jira/browse/SOLR-9834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15732751#comment-15732751 ]
ASF subversion and git services commented on SOLR-9834:
-------------------------------------------------------
Commit 1055209940faec71bd8046af3323d5982529525b in lucene-solr's branch refs/heads/master from markrmiller
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=1055209 ]
SOLR-9834: A variety of spots in the code can create a collection zk node after the collection has been removed.
> A variety of spots in the code can create a collection zk node after the collection has been removed.
> -----------------------------------------------------------------------------------------------------
>
> Key: SOLR-9834
> URL: https://issues.apache.org/jira/browse/SOLR-9834
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Mark Miller
> Assignee: Mark Miller
> Attachments: SOLR-9834.patch, SOLR-9834.patch
>
>
> The results of this have annoyed me for some time. We should fail rather than create the collection node and only ensure the rest of the path exists if the collection node did not need to be created.
> Currently, leader elections can trigger on delete and recreate a collection zk node that was just removed. I think there was a bit of defense put in against that, but I still see it and this is more thorough as well as a step towards the ZK=Truth path.
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