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Re: [jetty-users] Cannot get org.eclipse.jetty.server.Request instance
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Hi,
On Tue, Sep 10, 2019 at 1:41 PM John Jiang <john.sha.jiang@xxxxxxxxx> wrote:
>
> I wanted to test the HTTP/2 feature server push with Jetty 9.4.20, and made a simple servlet like the below,
>
> public class ServerPushServlet extends HttpServlet {
>
> protected void doGet(HttpServletRequest request,
> HttpServletResponse response) throws ServletException, IOException {
> Request req = Request.getBaseRequest(request);
> System.out.println("req: " + req);
> PushBuilder pushBuilder = req.getPushBuilder();
> pushBuilder.path("/res").push();
> }
> }
>
> When tried to access http://localhost:port/push with FireFox, the following error raised,
> req: null
> 2019-09-10 16:21:58.906:WARN:oejs.HttpChannel:qtp1793329556-11: /push
> java.lang.NullPointerException
> at httptest.ServerPushServlet.push(Unknown Source)
The problem is that
request.getPushBuilder()
return null if push is not supported.
This happens because you are making the request using HTTP/1.1 as
browsers don't support HTTP/2 if it's not encrypted.
You should try https instead of http.
--
Simone Bordet
----
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