> > HttpServletRequest is implemented by org.eclipse.jetty.server.Request > HttpServletRequest is instanceof Request = false
What jetty jars do you have in your WEB-INF/lib ? Joakim Erdfelt / joa...@webtide.com On Wed, Sep 11, 2019 at 8:24 AM John Jiang <john.sha.ji...@gmail.com> wrote: > On Wed, Sep 11, 2019 at 6:57 PM Joakim Erdfelt <joa...@webtide.com> wrote: > >> Can you change your implementation a bit so that we can understand what's >> going on? >> >> (the below code can be found at >> https://gist.github.com/joakime/ca3bf453cd946e47a8a09181ef3a0dd7 as >> well, and might be slightly more up to date) >> >> package jetty.http2; >> >> import java.io.IOException; >> import javax.servlet.ServletException; >> import javax.servlet.ServletRequest; >> import javax.servlet.ServletRequestWrapper; >> import javax.servlet.http.HttpServlet; >> import javax.servlet.http.HttpServletRequest; >> import javax.servlet.http.HttpServletResponse; >> >> import org.eclipse.jetty.server.PushBuilder; >> import org.eclipse.jetty.server.Request; >> >> public class Http2PushBuilderServlet extends HttpServlet >> { >> @Override >> protected void doGet(HttpServletRequest request, HttpServletResponse >> response) throws ServletException, IOException >> { >> dumpRequestDetail(request); >> Request req = Request.getBaseRequest(request); >> if (req != null) >> { >> System.out.printf("req: (%s) %s%n", req.getClass().getName(), >> req); >> System.out.printf("req.isPushSupported() = %b%n", >> req.isPushSupported()); >> PushBuilder pushBuilder = req.getPushBuilder(); >> pushBuilder.path("/res").push(); >> } >> } >> >> private void dumpRequestDetail(HttpServletRequest request) >> { >> System.out.printf("HttpServletRequest is implemented by %s%n", >> request.getClass().getName()); >> System.out.printf("HttpServletRequest is instanceof Request = >> %b%n", request instanceof Request); >> >> // some relevant virtual attributes >> dumpAttribute(request, "org.eclipse.jetty.server.Server"); >> dumpAttribute(request, "org.eclipse.jetty.server.HttpChannel"); >> dumpAttribute(request, "org.eclipse.jetty.server.HttpConnection"); >> >> // the state of the wrapping of the request >> if (request instanceof ServletRequestWrapper) >> { >> System.out.printf(" + is a HttpServletRequestWrapper%n"); >> >> ServletRequest servletRequest = request; >> >> while (servletRequest instanceof ServletRequestWrapper) >> { >> servletRequest = >> ((ServletRequestWrapper)servletRequest).getRequest(); >> System.out.printf(" + Wrapped by %s%n", >> servletRequest.getClass().getName()); >> } >> System.out.printf("Unwrapped ServletRequest is instanceof >> Request = %b%n", servletRequest instanceof Request); >> } >> } >> >> private void dumpAttribute(HttpServletRequest request, String >> attrName) >> { >> System.out.printf(".getAttribute(%s) = ", attrName); >> Object value = request.getAttribute(attrName); >> if (value == null) >> { >> System.out.println("<null>"); >> } >> else >> { >> System.out.printf("(%s) %s%n", value.getClass().getName(), >> value); >> } >> } >> } >> > The req is null, and the server output is the below, > HttpServletRequest is implemented by org.eclipse.jetty.server.Request > HttpServletRequest is instanceof Request = false > .getAttribute(org.eclipse.jetty.server.Server) = > (org.eclipse.jetty.server.Server) Server@16eb3ea3 > {STARTED}[9.4.20.v20190813] > .getAttribute(org.eclipse.jetty.server.HttpChannel) = > (org.eclipse.jetty.server.HttpChannelOverHttp) HttpChannelOverHttp@40ed3e95 > {r=1,c=false,c=false/false,a=DISPATCHED,uri=//localhost:9020/test,age=22} > .getAttribute(org.eclipse.jetty.server.HttpConnection) = > (org.eclipse.jetty.server.HttpConnection) HttpConnection@48b3d482 > ::SocketChannelEndPoint@6e894f22 > {/0:0:0:0:0:0:0:1:63409<->/0:0:0:0:0:0:0:1:9020,OPEN,fill=-,flush=-,to=31/30000}{io=0/0,kio=0,kro=1}->HttpConnection@48b3d482[p=HttpParser{s=END,0 > of -1},g=HttpGenerator@4f7a01ad{s=START}]=>HttpChannelOverHttp@40ed3e95 > {r=1,c=false,c=false/false,a=DISPATCHED,uri=//localhost:9020/test,age=25} > _______________________________________________ > jetty-users mailing list > jetty-users@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://www.eclipse.org/mailman/listinfo/jetty-users
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