Joakim - I've added everything to a github repo here:
https://github.com/mdeimel/sitemesh3-jetty-async

The README should have everything needed, but if there are any questions on
it let me know. Thanks!

On Thu, Oct 9, 2014 at 1:59 PM, Joakim Erdfelt <[email protected]> wrote:

> Sounds like we are at the point where a demonstration code/project and bug
> filed would be of most use.
> Explain how to run it, and what the expected results are.
>
> If this is a behavioral difference between tomcat and jetty then we should
> at least be able to explain it, and hopefully point to where in the spec
> one of is interpreting things differently.
>
> Would be the first time for an interpretation difference, this happens
> often with new parts of the various specs (no new spec is spot on covering
> all situations on the first try), and usually gets resolved in a mutual
> fashion between us (and eventually becomes better defined in the official
> spec in a later revision)
>
>
> --
> Joakim Erdfelt <[email protected]>
> webtide.com <http://www.webtide.com/> - intalio.com/jetty
> Expert advice, services and support from from the Jetty & CometD experts
> eclipse.org/jetty - cometd.org
>
> On Thu, Oct 9, 2014 at 11:53 AM, Matt Deimel <[email protected]> wrote:
>
>> Joakim, thanks for your response.
>>
>> After looking into this some more, I have noticed a few things:
>>
>> 1) The Jetty Proxy is actually getting an HttpServletResponseWrapper as
>> the response, so any writing isn't actually closing the session. And the
>> content from that call is being sent along to retrieve the Sitemesh
>> decorator. I think that's why a call to forward() is available here after
>> the proxy work - and the forwarded call is not actually being proxied (only
>> the initial call is proxied)
>>
>> 2) The same exception occurs if I create an asynchronous servlet and try
>> to decorate that. So I don't think this is related to the proxy
>> specifically.
>>
>> 3) When retrieving a vanilla html content to decorate, everything works
>> properly (and the HttpChannel.getCurrentHttpChannel() request returns a
>> valid HttpChannelOverHttp object).
>>
>> In reference to #2, when I try to decorate an asynchronous servlet with
>> Sitemesh, it works in Tomcat, but doesn't work in Jetty. I certainly don't
>> understand the differences enough to know why that would be, but I thought
>> I'd add that in case it's a helpful tip. The reason I'd like to use Jetty
>> is because the proxy is so fast.
>>
>> Thanks.
>>
>>   --Matt
>>
>>
>> On Wed, Oct 8, 2014 at 2:01 PM, Joakim Erdfelt <[email protected]>
>> wrote:
>>
>>> Looks like SiteMesh is doing a dispatcher.forward() after the proxy
>>> request.
>>>
>>> I can't imagine that ever working under a valid proxy scenario.
>>> Wouldn't the request + response be either underway / committed or done /
>>> completed by that point?
>>>
>>> --
>>> Joakim Erdfelt <[email protected]>
>>> webtide.com <http://www.webtide.com/> - intalio.com/jetty
>>> Expert advice, services and support from from the Jetty & CometD experts
>>> eclipse.org/jetty - cometd.org
>>>
>>> On Wed, Oct 8, 2014 at 11:54 AM, Matt Deimel <[email protected]> wrote:
>>>
>>>> Apparently responding in Nabble did not carry over all of my content in
>>>> <raw> tags. So here's another attempt:
>>>>
>>>> This is a very late response - among other delays there was some work
>>>> in the SiteMesh community to make SiteMesh3 asynchronous, which will get
>>>> around some of the issues. Unfortunately I'm still finding a similar
>>>> problem now when working through this situation.
>>>>
>>>> I've updated to Jetty 9.2.3.v20140905
>>>>
>>>> The project is a Jetty Proxy with a SiteMesh filter. Trying to decorate
>>>> proxied content.
>>>>
>>>> When I use AsyncProxyServlet$Transparent as the servlet in web.xml I
>>>> receive the following error:
>>>> 2014-10-08 13:43:28.593:WARN:oejh.HttpParser:qtp2070935783-20:
>>>> badMessage: java.lang.IllegalStateException: too much data after closed for
>>>> HttpReceiverOverHTTP@55b31984 on HttpConnectionOverHTTP@61505510(l:/
>>>> 127.0.0.1:60231 <-> r:localhost/127.0.0.1:8060)
>>>>
>>>> When I use ProxyServlet$Transparent as the servlet I receive the
>>>> following stack trace:
>>>> 2014-10-08 13:46:44.033:WARN:oejs.HttpChannelState:qtp1489294793-22:
>>>> java.lang.NullPointerException
>>>> at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:130)
>>>> at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:72)
>>>> at org.sitemesh.webapp.WebAppContext.dispatch(WebAppContext.java:168)
>>>> at org.sitemesh.webapp.WebAppContext.decorate(WebAppContext.java:143)
>>>> at
>>>> org.sitemesh.BaseSiteMeshContext.decorate(BaseSiteMeshContext.java:39)
>>>> at
>>>> org.sitemesh.webapp.SiteMeshFilter.postProcess(SiteMeshFilter.java:83)
>>>> at
>>>> org.sitemesh.webapp.contentfilter.ContentBufferingFilter.processInternally(ContentBufferingFilter.java:217)
>>>> at
>>>> org.sitemesh.webapp.contentfilter.ContentBufferingFilter$2.onComplete(ContentBufferingFilter.java:175)
>>>> at
>>>> org.eclipse.jetty.server.HttpChannelState.completed(HttpChannelState.java:506)
>>>> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:421)
>>>> at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:262)
>>>> at
>>>> org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:1173)
>>>> at
>>>> org.eclipse.jetty.server.HttpChannelState.complete(HttpChannelState.java:452)
>>>> at
>>>> org.eclipse.jetty.server.AsyncContextState.complete(AsyncContextState.java:92)
>>>> at
>>>> org.eclipse.jetty.proxy.ProxyServlet.onResponseSuccess(ProxyServlet.java:560)
>>>> at
>>>> org.eclipse.jetty.proxy.ProxyServlet$ProxyResponseListener.onComplete(ProxyServlet.java:815)
>>>> at
>>>> org.eclipse.jetty.client.ResponseNotifier.notifyComplete(ResponseNotifier.java:193)
>>>> at
>>>> org.eclipse.jetty.client.ResponseNotifier.notifyComplete(ResponseNotifier.java:185)
>>>> at
>>>> org.eclipse.jetty.client.HttpReceiver.terminateResponse(HttpReceiver.java:484)
>>>> at
>>>> org.eclipse.jetty.client.HttpReceiver.responseSuccess(HttpReceiver.java:393)
>>>> at
>>>> org.eclipse.jetty.client.http.HttpReceiverOverHTTP.messageComplete(HttpReceiverOverHTTP.java:255)
>>>> at org.eclipse.jetty.http.HttpParser.parseContent(HttpParser.java:1465)
>>>> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:1275)
>>>> at
>>>> org.eclipse.jetty.client.http.HttpReceiverOverHTTP.parse(HttpReceiverOverHTTP.java:142)
>>>> at
>>>> org.eclipse.jetty.client.http.HttpReceiverOverHTTP.readAndParse(HttpReceiverOverHTTP.java:107)
>>>> at
>>>> org.eclipse.jetty.client.http.HttpReceiverOverHTTP.process(HttpReceiverOverHTTP.java:70)
>>>> at
>>>> org.eclipse.jetty.client.http.HttpReceiverOverHTTP.receive(HttpReceiverOverHTTP.java:65)
>>>> at
>>>> org.eclipse.jetty.client.http.HttpChannelOverHTTP.receive(HttpChannelOverHTTP.java:75)
>>>> at
>>>> org.eclipse.jetty.client.http.HttpConnectionOverHTTP.onFillable(HttpConnectionOverHTTP.java:100)
>>>> at
>>>> org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
>>>> at
>>>> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:610)
>>>> at
>>>> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:539)
>>>> at java.lang.Thread.run(Thread.java:722)
>>>>
>>>> The NullPointerException now appears to be the same root problem that
>>>> started this thread, that HttpChannel.getCurrentHttpChannel() returns null
>>>> in Dispatcher.forward().
>>>> protected void forward(ServletRequest request, ServletResponse
>>>> response, DispatcherType dispatch) throws ServletException, IOException
>>>>     {
>>>>         Request baseRequest=(request instanceof
>>>> Request)?((Request)request):HttpChannel.getCurrentHttpChannel().getRequest();
>>>>
>>>> In both cases I can verify that the proxy request is being made, since
>>>> it's another application I control, and it's receiving a proper request.
>>>>
>>>> Any suggestions on how to get around either of these problems? Thanks.
>>>>
>>>> On Wed, Oct 8, 2014 at 1:52 PM, mdeimel <[email protected]> wrote:
>>>>
>>>>> This is a very late response - among other delays there was some work
>>>>> in the
>>>>> SiteMesh community to make SiteMesh3 asynchronous, which will get
>>>>> around
>>>>> some of the issues. Unfortunately I'm still finding a similar problem
>>>>> now
>>>>> when working through this situation.
>>>>>
>>>>> I've updated to Jetty 9.2.3.v20140905
>>>>>
>>>>> The project is a Jetty Proxy with a SiteMesh filter. Trying to decorate
>>>>> proxied content.
>>>>>
>>>>> When I use AsyncProxyServlet$Transparent as the servlet in web.xml I
>>>>> receive
>>>>> the following error:
>>>>>
>>>>>
>>>>> When I use ProxyServlet$Transparent as the servlet I receive the
>>>>> following
>>>>> stack trace:
>>>>>
>>>>>
>>>>> The NullPointerException now appears to be the same root problem that
>>>>> started this thread, that HttpChannel.getCurrentHttpChannel() returns
>>>>> null
>>>>> in Dispatcher.forward().
>>>>>
>>>>>
>>>>> In both cases I can verify that the proxy request is being made, since
>>>>> it's
>>>>> another application I control, and it's receiving a proper request.
>>>>>
>>>>> Any suggestions on how to get around either of these problems? Thanks.
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> View this message in context:
>>>>> http://jetty.4.x6.nabble.com/jetty-users-Null-HttpChannel-getCurrentHttpChannel-in-ServletHandler-doFilter-tp4962799p4963207.html
>>>>> Sent from the Jetty User mailing list archive at Nabble.com.
>>>>> _______________________________________________
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>>>>
>>>>
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