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From "Varun Thacker (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-11011) Assign.buildCoreName can lead to error in creating a new core when legacyCloud=false
Date Wed, 05 Jul 2017 16:23:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-11011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16075033#comment-16075033
] 

Varun Thacker commented on SOLR-11011:
--------------------------------------

Nice catch!

> Assign.buildCoreName can lead to error in creating a new core when legacyCloud=false
> ------------------------------------------------------------------------------------
>
>                 Key: SOLR-11011
>                 URL: https://issues.apache.org/jira/browse/SOLR-11011
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Cao Manh Dat
>            Assignee: Cao Manh Dat
>
> Here are the case
> {code}
> shard1 : {
>     node1 : shard1_replica1,
>     node2 : shard1_replica2
> }
> {code}
> node2 go down, autoAddReplicasPlanAction is executed
> {code}
> shard1 : {
>     node1 : shard1_replica1,
>     node3 : shard1_replica3
> }
> {code}
> node2 back alive, because shard1_replica2 is removed from {{states.json}} so that core
won't be loaded ( but it won't be removed neither ). Then node1 go down, Assign.buildCoreName
will create a core with name=shard1_replica2 which lead to a failure.



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