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https://issues.apache.org/jira/browse/CONNECTORS-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16756153#comment-16756153
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Erlend Garåsen commented on CONNECTORS-1564:
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I tried to set the protocol version explicitly everywhere we were creating an
instance of the HttpPost class:
{noformat}
postOrPut.setProtocolVersion(HttpVersion.HTTP_1_1);{noformat}
But with no luck. I also tried to change the order of the builder method
invocations. Maybe the source of the problem is located in the SolrJ library. I
can try to refactor my own Solr connector, enable ExpectContinue and inspect
the traffic. Since this connector does not override HttpSolrClient, I will be
able to check whether SolrJ is the problem.
[~michael-o], unfortunately I haven't got time to try your sample code yet.
> Support preemptive authentication to Solr connector
> ---------------------------------------------------
>
> Key: CONNECTORS-1564
> URL: https://issues.apache.org/jira/browse/CONNECTORS-1564
> Project: ManifoldCF
> Issue Type: Improvement
> Components: Lucene/SOLR connector
> Reporter: Erlend Garåsen
> Assignee: Karl Wright
> Priority: Major
> Attachments: CONNECTORS-1564.patch
>
>
> We should post preemptively in case the Solr server requires basic
> authentication. This will make the communication between ManifoldCF and Solr
> much more effective instead of the following:
> * Send a HTTP POST request to Solr
> * Solr sends a 401 response
> * Send the same request, but with a "{{Authorization: Basic}}" header
> With preemptive authentication, we can send the header in the first request.
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