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https://issues.apache.org/jira/browse/SOLR-9512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15504167#comment-15504167
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Noble Paul edited comment on SOLR-9512 at 9/19/16 6:02 PM:
-----------------------------------------------------------

[~romseygeek] The patch contains way more changes than you mentioned. You 
committed it without any review from the people who are collaborating with you. 

If there are other people collaborating on a ticket, the general protocol is 
that you submit a patch with the changes explained and give some review time 
before committing stuff.

You submitted a patch and 3 hours later you committed it


was (Author: noble.paul):
[~romseygeek] The patch contains way more changes than you mentioned. You 
committed it without any review from the people who are collaborating with you. 

If there are other people collaborating on a ticket, the general protocol is 
that you submit a patch with the changes explained and give some review time 
before committing stuff.

> CloudSolrClient's cluster state cache can break direct updates to leaders
> -------------------------------------------------------------------------
>
>                 Key: SOLR-9512
>                 URL: https://issues.apache.org/jira/browse/SOLR-9512
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Alan Woodward
>         Attachments: SOLR-9512.patch
>
>
> This is the root cause of SOLR-9305 and (at least some of) SOLR-9390.  The 
> process goes something like this:
> Documents are added to the cluster via a CloudSolrClient, with 
> directUpdatesToLeadersOnly set to true.  CSC caches its view of the 
> DocCollection.  The leader then goes down, and is reassigned.  Next time 
> documents are added, CSC checks its cache again, and gets the old view of the 
> DocCollection.  It then tries to send the update directly to the old, now 
> down, leader, and we get ConnectionRefused.



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