Tomcat 9 and request.newPushBuilder()

["Schönwald, Oliver" <ol...@fernuni-hagen.de>]

Dear Community,

I have begun to change my web application to support http/2.

When preparing the push mechanism my application catches a NullPointerException, oh my.

So I took a look into the Tomcat Sources and, surprise, the current implementation of HttpServletRequest always returns null.

So far I could only find examples using .newPushBuilder() that claim to really work using installations of GlassFish 5.

I wonder if there is there some way to use push with Tomcat 9 currently?

Best regards
Oliver Schoenwald

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Re: Tomcat 9 and request.newPushBuilder()

[Mark Thomas <ma...@apache.org>]

On 10/03/2022 17:09, Schönwald, Oliver wrote:
> Dear Community,
> 
> I have begun to change my web application to support http/2.
> 
> When preparing the push mechanism my application catches a NullPointerException, oh my.
> 
> So I took a look into the Tomcat Sources and, surprise, the current implementation of HttpServletRequest always returns null.

No, it doesn't.

All currently supported Tomcat versions support HTTP/2 server push 
(although you'll need to cast to internal classes in 8.5.x as the 
Servlet 3.1 API doesn't support HTTP/2).

Mark

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