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https://issues.apache.org/jira/browse/SOLR-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14702549#comment-14702549
 ] 

Bill Bell commented on SOLR-7339:
---------------------------------

Java 7 is EOL

Java SE 7 End of Public Updates Notice
After April 2015, Oracle will no longer post updates of Java SE 7 to its public 
download sites. Existing Java SE 7 downloads already posted as of April 2015 
will remain accessible in the Java Archive on the Oracle Technology Network. 
Developers and end-users are encouraged to update to more recent Java SE 
versions that remain available for public download in order to continue 
receiving public updates and security enhancements. 

https://www.java.com/en/download/faq/java_7.xml

> 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
>         Attachments: SOLR-7339.patch
>
>
> 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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