On Aug 7, 2013, at 1:36 PM, Mark Thomas <ma...@apache.org> wrote:
> On 07/08/2013 17:14, Daniel Mikusa wrote:
>> I have a questions regarding the Non Blocking API introduced in Tomcat 8.
>>
>> I'm looking at the TestNonBlockingAPI test as an example, specifically the
>> NBReadServlet class.
>>
>> @WebServlet(asyncSupported = true)
>> public class NBReadServlet extends TesterServlet {
>> private static final long serialVersionUID = 1L;
>> public volatile TestReadListener listener;
>> @Override
>> protected void service(HttpServletRequest req, HttpServletResponse resp)
>> throws ServletException, IOException {
>> // step 1 - start async
>> AsyncContext actx = req.startAsync();
>> actx.setTimeout(Long.MAX_VALUE);
>> actx.addListener(new AsyncListener() {
>> // removed for brevity
>> });
>> // step 2 - notify on read
>> ServletInputStream in = req.getInputStream();
>> listener = new TestReadListener(actx);
>> in.setReadListener(listener);
>>
>> listener.onDataAvailable();
>> }
>> }
>>
>> My question is why does the test call "listener.onDataAvailable()" at the
>> end?
>>
>> In regards to the "onDataAvailable()" method, Section 3.7 of the spec says…
>>
>> "The onDataAvailable method is invoked on the ReadListener when data is
>> available to read from the incoming request stream. The container will
>> invoke the method the first time when data is available to read. The
>> container will subsequently invoke the onDataAvailable method if and only if
>> isReady method on ServletInputStream, described below, returns false."
>>
>> ...which leads me to believe that the container should be calling
>> onDataAvailable and not the servlet.
>>
>> As a side note, my test works if I call "onDataAvailable()" from my test
>> servlet. Otherwise it fails and times out.
>
> I think you may have a bug there. Please could you create a Bugzilla
> entry for it.
Done.
https://issues.apache.org/bugzilla/show_bug.cgi?id=55381
Thanks
Dan
>
> Cheers,
>
> Mark
>
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