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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 Wed, 17 Feb 2016 15:01:18 GMT

    [ https://issues.apache.org/jira/browse/SOLR-7339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15150606#comment-15150606
] 

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

Well, at least they are repeatable fails.

Not sure what it is yet, but fails seem to have the following that I don't see in passes:

{noformat}
23813 DEBUG (qtp1185380035-63) [    ] o.e.j.i.ManagedSelector 
java.lang.NoClassDefFoundError: Could not initialize class org.eclipse.jetty.http.HttpParser
	at org.eclipse.jetty.server.HttpConnection.newHttpParser(HttpConnection.java:124)
	at org.eclipse.jetty.server.HttpConnection.<init>(HttpConnection.java:102)
	at org.eclipse.jetty.server.HttpConnectionFactory.newConnection(HttpConnectionFactory.java:58)
	at org.eclipse.jetty.server.ServerConnector$ServerConnectorManager.newConnection(ServerConnector.java:510)
	at org.eclipse.jetty.io.ManagedSelector.createEndPoint(ManagedSelector.java:411)
	at org.eclipse.jetty.io.ManagedSelector.access$1600(ManagedSelector.java:56)
	at org.eclipse.jetty.io.ManagedSelector$CreateEndPoint.run(ManagedSelector.java:587)
	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213)
	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:101)
	at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:136)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
	at java.lang.Thread.run(Thread.java:745)
{noformat}

> 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: Mark Miller
>             Fix For: master
>
>         Attachments: SOLR-7339-revert.patch, SOLR-7339.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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