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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-7339) Upgrade Jetty from 9.2 to 9.3
Date Thu, 07 Jan 2016 19:02:40 GMT

    [ https://issues.apache.org/jira/browse/SOLR-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15087882#comment-15087882
] 

Mark Miller commented on SOLR-7339:
-----------------------------------

Yonik mentioned to me that this is probably legal behavior, even if undesirable as it prevents
connection reuse for us in these cases. The problem is that HttpClient hits this in a way
that we can not really work around to get to the right error and ?ignore? the connection reset?

> Upgrade Jetty from 9.2 to 9.3
> -----------------------------
>
>                 Key: SOLR-7339
>                 URL: https://issues.apache.org/jira/browse/SOLR-7339
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Gregg Donovan
>            Assignee: Shalin Shekhar Mangar
>             Fix For: Trunk
>
>         Attachments: SOLR-7339-revert.patch, SOLR-7339.patch, SOLR-7339.patch, SolrExampleStreamingBinaryTest.testUpdateField-jetty92.pcapng,
SolrExampleStreamingBinaryTest.testUpdateField-jetty93.pcapng
>
>
> Jetty 9.3 offers support for HTTP/2. Interest in HTTP/2 or its predecessor SPDY was shown
in [SOLR-6699|https://issues.apache.org/jira/browse/SOLR-6699] and [on the mailing list|http://markmail.org/message/jyhcmwexn65gbdsx].
> Among the HTTP/2 benefits over HTTP/1.1 relevant to Solr are:
> * multiplexing requests over a single TCP connection ("streams")
> * canceling a single request without closing the TCP connection
> * removing [head-of-line blocking|https://http2.github.io/faq/#why-is-http2-multiplexed]
> * header compression
> Caveats:
> * Jetty 9.3 is at M2, not released.
> * Full Solr support for HTTP/2 would require more work than just upgrading Jetty. The
server configuration would need to change and a new HTTP client ([Jetty's own client|https://github.com/eclipse/jetty.project/tree/master/jetty-http2],
[Square's OkHttp|http://square.github.io/okhttp/], [etc.|https://github.com/http2/http2-spec/wiki/Implementations])
would need to be selected and wired up. Perhaps this is worthy of a branch?



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