Hi Sergey,
On 11/26/2012 02:57 PM, Richard Opalka wrote:
> Hi Sergey,
>
> On 11/26/2012 01:31 PM, Sergey Beryozkin wrote:
>> Hi Richard
>> On 26/11/12 12:29, Richard Opalka wrote:
>>> Hi Sergey,
>>>
>>>
>>> On 11/26/2012 01:21 PM, Sergey Beryozkin wrote:
>>>> Hi Richard
>>>> On 26/11/12 12:15, Richard Opalka wrote:
>>>>> Dear CXF developers,
>>>>>
>>>>> I'm analyzing our recent CXF continuation related failures in CI
>>>>> and I identified the following problem:
>>>>>
>>>>> SVN commit id: 1409193
>>>>>
>>>>> introduced
>>>>>
>>>>> ---
>>>>> @@ -57,32 +57,30 @@ public class Servlet3ContinuationProvider
>>>>> implements
>>>>> ContinuationProvider {
>>>>>
>>>>> if (continuation == null) {
>>>>> continuation = new Servlet3Continuation();
>>>>> + } else {
>>>>> + continuation.startAsyncAgain();
>>>>> }
>>>>> return continuation;
>>>>> }
>>>>> ---
>>>>>
>>>>> method call that causes our JBossWeb to throw IllegalStateException.
>>>>> According to startAsync() javadoc for Throws:
>>>>>
>>>>> http://docs.oracle.com/javaee/6/api/javax/servlet/ServletRequest.html#startAsync%28%29
>>>>>
>>>>>
>>>>>
>>>>> ---
>>>>> Throws:
>>>>> IllegalStateException - if this request is within the scope of a
>>>>> filter or servlet that does not support asynchronous operations (that
>>>>> is, isAsyncSupported() returns false), or if this method is called
>>>>> again
>>>>> without any asynchronous dispatch (resulting from one of the
>>>>> AsyncContext#dispatch methods), is called outside the scope of any such
>>>>> dispatch, or is called again within the scope of the same dispatch, or
>>>>> if the response has already been closed
>>>>> ---
>>>>>
>>>>> JBossWeb is strictly following these ISE guidelines (is not lenient
>>>>> like e.g. Jakarta Tomcat).
>>>>
>>>> What would you say about
>>>> "Subsequent invocations of this method, or its overloaded variant, will
>>>> return the same AsyncContext instance, reinitialized as appropriate. " ?
>>>>
>>>> Without this call I can not have the test doing multiple timeouts on the
>>>> same continuation working...
>>>
>>> Makes sense to me. I had a look to our JBoss Web code again and I
>>> noticed one suspicious line there - I'm going to discuss it with our
>>> folks.
>>>
>>
>> Oh, thanks for that, I've just sent one more follow-up, sorry about the
>> noise, should've waited :-)
>
> Let's see what our Servlet experts will say -
> https://issues.jboss.org/browse/JBWEB-256
Our JBoss Web guru is saying JBoss Web impl. is correct.
>
>>
>> Cheers, Sergey
>>
>>>>
>>>>>
>>>>> The last issue that I identified with Servlet3ContinuationProvider is
>>>>> the isNew flag has incorrect initial value - it should be *true*.
>>>> Sure - needs to be fixed
>>>
>>> Thanks
>>>
>>>>
>>>> Thanks, Sergey
>>>>
>>>>>
>>>>> Cheers,
>>>>>
>>>>> Rio
>>>>>
>>>>
>>>
>>>
>>
>>
>
>
--
Richard Opalka
Principal Software Engineer
JBoss, by Red Hat
Cell: +420 731 186 942