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https://issues.apache.org/jira/browse/SOLR-7203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14352022#comment-14352022
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Alan Woodward commented on SOLR-7203:
-------------------------------------
OK, I've had a closer look at the partition tests that are failing, and they
already try and handle these errors with custom retry logic. Which suggests
that the HttpClient persists in using dead connections even for retries.
What I think we need to do is to call
ClientConnectionManager.closeExpiredConnections() when we hit a
NoHttpResponseException. That way the retry should be guaranteed not to use a
dead connection.
> NoHttpResponseException handling in HttpSolrClient is wrong
> -----------------------------------------------------------
>
> Key: SOLR-7203
> URL: https://issues.apache.org/jira/browse/SOLR-7203
> Project: Solr
> Issue Type: Bug
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Attachments: SOLR-7203.patch, SOLR-7203.patch
>
>
> We've got logic in HttpSolrClient to catch NoHttpResponseException and retry.
> However, this logic appears to be in the wrong place - it's in the
> createMethod function, which doesn't actually execute any http requests at
> all. It ought to be in executeMethod.
> Fixing this might help sort out the persistent Jenkins failures as well.
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