2016-09-07 16:39 GMT+08:00 Simone Bordet <sbor...@webtide.com>: > Hi, > > On Wed, Sep 7, 2016 at 7:56 AM, John Jiang <john.sha.ji...@gmail.com> > wrote: > > But I still found something interesting. > > In my webapp, /body is a pretty simple Servlet, which just print > something. > > Your servlet does one important thing: it calls > request.getInputStream(), which triggers the send of the 100 Continue > response. > > > If using a static file, like https://localhost:9021/index, namely, > > curl -k --http2 -H "Expect: 100-continue" -d "body" > > https://localhost:9021/index > > it looks no error. > > But if add -v option for curl, namley > > curl -vk --http2 -H "Expect: 100-continue" -d "body" > > https://localhost:9021/index > > I met: curl: (92) HTTP/2 stream 1 was not closed cleanly: CANCEL (err 8) > > > > I tried several times. > > 1. If accessing a Servlet, there is no error. > > 2. If accessing a static page, the following error raised: curl: (92) > HTTP/2 > > stream 1 was not closed cleanly: CANCEL (err 8) > > > > Is it a problem? > > What happens is that Jetty's DefaultServlet, which serves static > content, does not read the request body (because it does not expect > one). > Because it does not read the request body, it does not send the 100 > Continue response to the client. > DefaultServlet generates a 200 OK response with the static file > content as the response body. > Jetty then sees that the request is not finished, but nobody will ever > read the request body, so it generates a reset with code CANCEL to > tell the client to not send the content. > In HTTP/1.1 the server would have closed the connection. > > What you see is the right behavior. > Tested the same cases with Apache 2.4.17, but no such message found. It looks Apache uses NO_ERROR. And for HTTP/1.1, Apache doesn't send "Connection: close"
I didn't try other server implementations. > -- > Simone Bordet > ---- > http://cometd.org > http://webtide.com > Developer advice, training, services and support > from the Jetty & CometD experts. > _______________________________________________ > jetty-users mailing list > jetty-users@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/jetty-users >
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