Hi,
You are right, I have confused those two in my code :(. This are my
very first steps in grizzly/comet/cometd so I think I must have mixed
some of tutorials and was looking for a problem in a wrong place:
processReques method instead of init. Thank you for help.
Regards
Michal
Shing Wai Chan pisze:
> I am a bit confused here.
> Are you using comet or cometd?
> If it is cometd, then in DataServlet below, I see the following:
>
> String contextPath = "/CometApp/cometd";
> CometEngine cometEngine = CometEngine.getEngine();
> context = cometEngine.register(contextPath);
> context.setExpirationDelay(60 * 1000);
>
> Why do we need to do register it manually?
> Note that the /cometd url pattern should associate to the CometdServlet.
> Regards,
> Shing Wai Chan
>
>
>
> Michał Orzechowski wrote:
>> Hi,
>>
>> Thanks for reply. I managed to run my app using
>> grizzly-comet-webserver-1.9.0, and my basic problem stands: I can't
>> notify javascript subscribesrs with servlet publisher :/. Even after
>> I add line Jeanfrancois suggested, it doesn't work. Any help would be
>> appreciated.
>>
>> Thanks
>> Michal
>>
>> Oleksiy Stashok pisze:
>>>
>>>>
>>>> Could you list the jar's that are needed to update
>>>> grizzly-module? I have updated grizzly-module with:
>>>> grizzly-framework, grizzly-http and grizzly-http-utils (1.9.0),
>>>> however then Glassfish do not start.
>>> I see...
>>> Seems like it will not work :( Glassfish core classes rely on old
>>> Grizzly thread pool API.
>>> The only solution I see, is to release next Grizzly 1.8.6.x, where
>>> we can integrate latest Comet related modules. Jeanfrancois is
>>> traveling to Europe now, may be Shing Wai, do you know if it's
>>> possible to integrate latest Comet changes to Grizzly 1.8.6.x branch?
>>>
>>> Thanks.
>>>
>>> WBR,
>>> Alexey.
>>>
>>>>
>>>>
>>>> Thanks
>>>> Michal
>>>>
>>>> Oleksiy Stashok pisze:
>>>>> Hi Michal,
>>>>>
>>>>> you said you updated grizzly-optionals.jar, but unfortunately it's
>>>>> not enough. You've to update also grizzly-module.jar, where
>>>>> Grizzly core is located.
>>>>>
>>>>> Thanks.
>>>>>
>>>>> WBR,
>>>>> Alexey.
>>>>>
>>>>> On Dec 4, 2008, at 14:50 , Michał Orzechowski wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> Thanks, for advice. I'm using Grizzly 1.8.6.2 (default in
>>>>>> Glassfish v3-predule), where this attribute isn't avaible. I
>>>>>> have tried to update Glassfish glassfish-optionals.jar with new
>>>>>> version 1.9.0 of comet, cometd and messages jars using hints from
>>>>>> your blog. However now I get an exception when application starts:
>>>>>>
>>>>>> SEVERE:
>>>>>> com.sun.grizzly.arp.AsyncProcessorTask.getThreadPool()Ljava/util/concurrent/ExecutorService;
>>>>>>
>>>>>> java.lang.NoSuchMethodError:
>>>>>> com.sun.grizzly.arp.AsyncProcessorTask.getThreadPool()Ljava/util/concurrent/ExecutorService;
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.comet.CometEngine.handle(CometEngine.java:307)
>>>>>> at
>>>>>> com.sun.grizzly.comet.CometAsyncFilter.doFilter(CometAsyncFilter.java:84)
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.arp.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:130)
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.arp.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:109)
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:88)
>>>>>>
>>>>>> at com.sun.grizzly.http.TaskBase.call(TaskBase.java:359)
>>>>>> at
>>>>>> com.sun.grizzly.util.WorkerThreadImpl.processTask(WorkerThreadImpl.java:325)
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:184)
>>>>>> SEVERE: WorkerThreadImpl unexpected exception:
>>>>>> java.lang.RuntimeException: java.lang.NoSuchMethodError:
>>>>>> com.sun.grizzly.arp.AsyncProcessorTask.getThreadPool()Ljava/util/concurrent/ExecutorService;
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:106)
>>>>>>
>>>>>> at com.sun.grizzly.http.TaskBase.call(TaskBase.java:359)
>>>>>> at
>>>>>> com.sun.grizzly.util.WorkerThreadImpl.processTask(WorkerThreadImpl.java:325)
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:184)
>>>>>> Caused by: java.lang.NoSuchMethodError:
>>>>>> com.sun.grizzly.arp.AsyncProcessorTask.getThreadPool()Ljava/util/concurrent/ExecutorService;
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.comet.CometEngine.handle(CometEngine.java:307)
>>>>>> at
>>>>>> com.sun.grizzly.comet.CometAsyncFilter.doFilter(CometAsyncFilter.java:84)
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.arp.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:130)
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.arp.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:109)
>>>>>>
>>>>>> at
>>>>>> com.sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:88)
>>>>>>
>>>>>> ... 3 more
>>>>>>
>>>>>> I'm stuck. Is there any way to update girizzly to verson 1.9.0 in
>>>>>> Glassfish? If you could help me, I would be very gratefull.
>>>>>>
>>>>>> Thanks
>>>>>> Michal
>>>>>>
>>>>>>
>>>>>>
>>>>>> Jeanfrancois Arcand pisze:
>>>>>>> Salut,
>>>>>>>
>>>>>>> Michał Orzechowski wrote:
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> I'm trying to develop simple app that:
>>>>>>>> 1. Allows clients to subscribe to a channel. The index.html
>>>>>>>> page is a client's page where new data should be published.
>>>>>>>> Client logic is implemented using Dojo Toolkit v 1.1.1
>>>>>>>> (standard subscribe method)
>>>>>>>>
>>>>>>>> 2. Publish new data using the servlet. The post.html is a
>>>>>>>> admin page from witch I send data to the servlet.
>>>>>>>> Servlet's logic is implemented with Grizzly Comet/Bayeux
>>>>>>>> (default GlassFish V3 components ...)
>>>>>>>>
>>>>>>>> Here is what i do:
>>>>>>>>
>>>>>>>> 1. Open client page in browser A
>>>>>>>> 2. Open client page in browser B (tab 1)
>>>>>>>> 3. Open admin page in browser B (tab 2)
>>>>>>>> 4. Send data from admin page to servlet ...
>>>>>>>> .. and nothing happens .. clients aren't notified until i
>>>>>>>> open new client page in browser B in tab 3 (or browser A in tab
>>>>>>>> 2 - no matter)!
>>>>>>>>
>>>>>>>> It looks like server is holding the data and i really don't
>>>>>>>> know why. Its really strange and i hope maybe some would be
>>>>>>>> able to help me?
>>>>>>>>
>>>>>>>> Servlet code :
>>>>>>>>
>>>>>>>> public class DataServlet extends HttpServlet {
>>>>>>>>
>>>>>>>> CometContext context;
>>>>>>>>
>>>>>>>> @Override
>>>>>>>> public void init(ServletConfig config) throws ServletException {
>>>>>>>> super.init(config);
>>>>>>>> String contextPath = "/CometApp/cometd";
>>>>>>>> CometEngine cometEngine = CometEngine.getEngine();
>>>>>>>> context = cometEngine.register(contextPath);
>>>>>>>> context.setExpirationDelay(60 * 1000);
>>>>>>>> }
>>>>>>>>
>>>>>>>> protected void processRequest(HttpServletRequest request,
>>>>>>>> HttpServletResponse response)
>>>>>>>> throws ServletException, IOException {
>>>>>>>> String channel = "/my/demo";
>>>>>>>> String messageDataName = "text";
>>>>>>>> String messageDataValue = request.getParameter("newinfo");
>>>>>>>>
>>>>>>>> if (messageDataValue != null) {
>>>>>>>> Map<String, Object> map = new HashMap<String, Object>();
>>>>>>>> map.put(messageDataName,
>>>>>>>> dummyBussinesLogic(messageDataValue));
>>>>>>>> Data data = new Data();
>>>>>>>> data.setMapData(map);
>>>>>>>>
>>>>>>>> DeliverResponse deliverResponse = new DeliverResponse();
>>>>>>>> deliverResponse.setChannel(channel);
>>>>>>>> deliverResponse.setData(data);
>>>>>>>> deliverResponse.setLast(true);
>>>>>>>> deliverResponse.setFollow(true);
>>>>>>>
>>>>>>> Just add:
>>>>>>>
>>>>>>> deliverResponse.setFinished(true);
>>>>>>>
>>>>>>> and I suspect it will works.
>>>>>>>
>>>>>>> Thanks
>>>>>>>
>>>>>>> -- Jeanfrancois
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> context.notify(deliverResponse);
>>>>>>>>
>>>>>>>> out.println("Data is sent.");
>>>>>>>> } else {
>>>>>>>> out.println("No data is sent.");
>>>>>>>> }
>>>>>>>>
>>>>>>>> response.sendRedirect("post.html");
>>>>>>>> }
>>>>>>>>
>>>>>>>> @Override
>>>>>>>> protected void doGet(HttpServletRequest request,
>>>>>>>> HttpServletResponse response)
>>>>>>>> throws ServletException, IOException {
>>>>>>>> processRequest(request, response);
>>>>>>>> }
>>>>>>>>
>>>>>>>> @Override
>>>>>>>> protected void doPost(HttpServletRequest request,
>>>>>>>> HttpServletResponse response)
>>>>>>>> throws ServletException, IOException {
>>>>>>>> processRequest(request, response);
>>>>>>>> }
>>>>>>>>
>>>>>>>> private String dummyBussinesLogic(String s) {
>>>>>>>> return s.toUpperCase();
>>>>>>>> }
>>>>>>>> }
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>> Michal Orzechowski
>>>>>>>>
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