[ 
https://issues.apache.org/jira/browse/SOLR-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15066756#comment-15066756
 ] 

Ishan Chattopadhyaya commented on SOLR-7339:
--------------------------------------------

Right, same as without the patch. Here's the relevant part of the log from a 
run without the patch.

{code}
   [junit4]   2> 6916 INFO  
(TEST-SolrExampleStreamingBinaryTest.testUpdateField-seed#[DD2B3DCB4B87359]) [  
  ] o.a.s.SolrTestCaseJ4 ###Ending testUpdateField
   [junit4]   2> NOTE: reproduce with: ant test  
-Dtestcase=SolrExampleStreamingBinaryTest -Dtests.method=testUpdateField 
-Dtests.seed=DD2B3DCB4B87359 -Dtests.slow=true -Dtests.locale=it_IT 
-Dtests.timezone=Europe/Skopje -Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] FAILURE 2.03s | SolrExampleStreamingBinaryTest.testUpdateField <<<
   [junit4]    > Throwable #1: java.lang.AssertionError: 
ConcurrentUpdateSolrClient did not report an error
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([DD2B3DCB4B87359:58A119887490639F]:0)
   [junit4]    >        at 
org.apache.solr.client.solrj.SolrExampleTests.testUpdateField(SolrExampleTests.java:1633)
   [junit4]    >        at java.lang.Thread.run(Thread.java:745)
{code}

> 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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