[jira] [Updated] (SOLR-5644) SplitShard does not handle not finding a shard leader well.

["Anshum Gupta (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-5644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anshum Gupta updated SOLR-5644:
-------------------------------

    Attachment: SOLR-5644.patch

A basic fix that retries for 10 seconds and throws an exception if it still doesn't have a leader.

> SplitShard does not handle not finding a shard leader well.
> -----------------------------------------------------------
>
>                 Key: SOLR-5644
>                 URL: https://issues.apache.org/jira/browse/SOLR-5644
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>            Reporter: Mark Miller
>            Assignee: Anshum Gupta
>            Priority: Minor
>             Fix For: 5.0, 4.7
>
>         Attachments: SOLR-5644.patch
>
>
> In OverseerCollectionProcessor:
>     // find the leader for the shard
>     Replica parentShardLeader = clusterState.getLeader(collectionName, slice);
> This returns null if there is no current leader and the following code does not deal with that case and instead NPE's.



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