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From Seth Lenzi <le...@jimmy.harvard.edu>
Subject Re: Asynchronous servlets + Tomcat + mod_jk
Date Mon, 06 Jun 2011 21:55:58 GMT


OK, thanks. I'll keep plugging away at it.

-S


On 6/6/2011 5:21 PM, markt@apache.org wrote:
> Seth Lenzi<lenzi@jimmy.harvard.edu>  wrote:
>
>>
>> I'm using Tomcat v7.0.14, Apache v2.2.17, and mod_jk v1.2.30.
>>
>> The Servlet I have does not implement CometProcessor. It's just a
>> regular HttpServlet which creates an AsyncContext from the
>> HttpServletRequest object. Like the example Servlet at this page,
>> http://developerlife.com/tutorials/?p=1437
>>
>> It does work nicely when accessed directly from Tomcat on port 8080...
>> Only throws the IllegalStateExeception when going through Apache +
>> mod_jk. I'm using the default HTTP connector, no NIO API... Since it
>> was
>> working through Tomcat I figured I didn't need the NIO HTTP connector.
>>
>> Thanks for your reply.
>>
>> -S
>>
>>
>> On 6/6/2011 4:49 PM, André Warnier wrote:
>>> Seth Lenzi wrote:
>>>> Anyone here have any experience with asynchronous servlets under a
>>>> Tomcat that's linked to Apache via mod_jk? I have an asynchronous
>>>> servlet that's working nicely when accessed directly from Tomcat,
>> but,
>>>> when I access it by going through Apache and mod_jk the
>>>> ServletRequest.startAsync() function call throws an
>>>> IllegalStateException saying the feature is not supported.
>>>>
>>> You do not give a clue about which version of Tomcat you are using,
>> but
>>> this may provide an explanation :
>>> http://tomcat.apache.org/tomcat-7.0-doc/aio.html
> Tomcat 7 has passed the Servlet TCK with all possible combinations of protocol (HTTP,
AJP), connector implementation (BIO, NIO, APR) and httpd module (mod_jk, mod_proxy_http, mod_proxy_ajp).
>
> Asynchronous servlets work in all combinations.
>
> The best thing to do is create the simplest possible test case (ie a single Servlet)
that demonstrates this issue and attach it to a bugzilla issue.
>
> Mark
>
>
>
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