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https://issues.apache.org/jira/browse/SOLR-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15065807#comment-15065807
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Shalin Shekhar Mangar commented on SOLR-7339:
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Comparing the debug output from Jetty 9.2.13.v20150730, I see that Solr's
behavior has remained the same but Jetty now closes the connection on
unconsumed input. I also found that HttpClient by default will retry 3 times
when such a thing happens which is clearly not right. Adding
params.set(HttpClientUtil.PROP_USE_RETRY, false); to the HttpSolrClient
constructor disables those retries. I think we should add that anyway even
though it doesn't help fix these failures.
> 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.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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