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From Erick Erickson <>
Subject Re: SolrJ with Async Http Client
Date Sat, 06 Jan 2018 00:06:33 GMT
re: upgrade Jetty:

See SOLR-11810

On Fri, Jan 5, 2018 at 2:08 PM, Shawn Heisey <> wrote:

> On 1/5/2018 11:35 AM, Gus Heck wrote:
> > IIRC http2 allows for multiple (non blocking) requests over a single
> > connection, so this Jira might be relevant:
> >
> HTTPClient will have http/2 support in version 5.0 -- but only in the
> async client, not the client that SolrJ currently uses.
> Parts of the 5.0 version are in alpha at the moment, one part is in
> beta.  I do not have any information about when it will be fully
> released as a stable version.  We can't fully implement a new SolrJ that
> uses the new HC version until they officially release it.
> I have been looking into upgrading to HC 5.0 so that Solr will be
> prepared once that version gets released, but the job is turning out a
> lot more difficult than I had imagined it to be, so it's not really
> going anywhere because I don't have very much time to devote to the
> work.  And I haven't done anything yet for switching to the async
> client.  Issue here:
> To fully support http/2, there will also need to be some work in Jetty,
> and probably an upgrade to the latest release of Jetty so we can be sure
> we have all their bugfixes.
> My efforts will not bring async operation to SolrJ, even if I manage to
> figure out how to use the async HttpClient.  I have no idea how to
> implement that.  There is a very old issue in Jira for it.
> Thanks,
> Shawn

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