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HTTP/2 support with Jetty [message #1779498]

Mon, 08 January 2018 13:27

Eclipse User

Hello,

I was wondering if a support for HTTP/2 with Jetty is planned for http://download.eclipse.org/eclipse/updates/4.7-M-builds/?

By checking : http://download.eclipse.org/eclipse/updates/4.7-M-builds/M-4.7.2RC4-201711300510/

I noticed that it includes HTTP/1.1 package of Jetty 9.4.7. but not HTTP/2. If it is not planned, who should I contact to ask to add it?

Thank you

Re: HTTP/2 support with Jetty [message #1779546 is a reply to message #1779498]

Tue, 09 January 2018 08:32

Eclipse User

HTTP/2 support requires a -XBootclasspath entry to add the required ALPN support layer to the TLS implementation found in the OpenJDK JVM.
This alpn-boot.jar is highly OpenJDK/JVM specific and you must use a specific version of alpn-boot.jar for each specific version of the OpenJDK/JVM you are using.

This -XBootclasspath requirement for ALPN also only works with OpenJDK, it is not supported on any other JVM (eg: IBM).
This -XBootclasspath requirement goes away with JDK9+.

It's unlikely to see Eclipse supporting JVM neutral HTTP/2 at this point in time, unless Eclipse 4.7 wants to go with JDK9+ as a minimum requirement.

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