users@grizzly.java.net

Re: Servlet blocking??

From: César Fernando Henriques <fuzzball_at_alttab.com.ar>
Date: Mon, 25 May 2009 21:14:27 -0300

yeap I found that issue, well I think I will try Grizzly for server
side and netty from client side ;-)

Thanks Jean,

Best Regards

Cesar.-




On Mon, May 25, 2009 at 8:59 PM, Jeanfrancois Arcand
<Jeanfrancois.Arcand_at_sun.com> wrote:
> Salut,
>
> César Fernando Henriques wrote:
>>
>> Jean,
>>
>> Is there any async http client implementend with grizzly?
>
> Not yet, unfortunately. We are working on it:
>
> https://grizzly.dev.java.net/issues/show_bug.cgi?id=265
>
> Thanks!
>
> -- Jeanfrancois
>
>>
>> Thanks
>>
>> 2009/5/25 César Fernando Henriques <fuzzball_at_alttab.com.ar>:
>>>
>>> Thanks, Jean, I'm still doing tests with both Grizzly and Netty. To be
>>> honest I'm inclined to choose netty at this point, just for the API
>>> simplicity, but I really like Grizzly because it solve all my reqs
>>> with the CometEngine
>>>
>>> My problem is that I don't have a global vision of Grizzly, yet,  and
>>> where it's going in terms of versions and features to be supported.
>>>
>>> For example I'm seeing that GrizzlyWebServer in 2.0 doesn't have
>>> access to TCPSelectorHandler, why? Is this beacuse 2.0 doesn't support
>>> comet yet? I don't think it's related to comet (maybe I'm wrong).
>>> Should be nice to have the chance to add ProtocolFilter to GWS in 2.0
>>> release.
>>>
>>>
>>> If you think It will be easy to fix I can take a look at the commet
>>> enabled GWS code.
>>>
>>> Thanks!
>>>
>>> Cesar.-
>>>
>>>
>>>
>>>
>>>
>>> On Mon, May 25, 2009 at 6:14 PM, Jeanfrancois Arcand
>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>
>>>> Salut,
>>>>
>>>> César Fernando Henriques wrote:
>>>>>
>>>>> Thanks Jean,
>>>>>
>>>>> I have tried accesing from different browsers and It works perfectly
>>>>> :-)
>>>>>
>>>>>
>>>>> I will keep doing some test, and trying to work around the issue of
>>>>> adding ProtocolFilter on GrizzlyWebServer, do you remember that issue?
>>>>>
>>>>>   TCPSelectorHandler tcpHandler = server.getSelectorThread()
>>>>>                                  .getSelectorHandler();
>>>>>
>>>>>   getSelectorHandler() return null. If I call getSelectorHandler after
>>>>>   gws.start() it return a valid handler but I get a null at
>>>>> tcpHandler.getProtocolChainInstanceHandler();
>>>>
>>>> Ok this should be easy to fix. Do you want me to take a look or you
>>>> already
>>>> moved to Netty :-) Anyway I will file an issue but if you don't need it
>>>> today, I will work on 2.0 release :-)
>>>>
>>>> Thanks!
>>>>
>>>> -- Jeanfrancois
>>>>
>>>>
>>>>> Thanks!
>>>>>
>>>>> Best Regards,
>>>>>
>>>>> Cesar.-
>>>>>
>>>>>
>>>>>
>>>>> On Mon, May 25, 2009 at 11:58 AM, Jeanfrancois Arcand
>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>
>>>>>> Salut,
>>>>>>
>>>>>> César Fernando Henriques wrote:
>>>>>>>
>>>>>>> Hi all, I have been doing some tests with the EchoServer and it seems
>>>>>>> to be running ok, my problem is just with GrizzleWebServer, I'm
>>>>>>> really
>>>>>>> newbie ... but I'm suspecting that I have some throuble with the
>>>>>>> AsyncWebFilter.
>>>>>>>
>>>>>>> It's just frustrating... :-(
>>>>>>>
>>>>>>> Any body has seen this erro before?
>>>>>>
>>>>>> I think you are running inside Eclipse and the browser doesn't not
>>>>>> allow
>>>>>> more than 2 connections to the same host. This is a well know issue
>>>>>> when
>>>>>> using comet, e.g if your browser opens more than two connections to
>>>>>> the
>>>>>> server, all other connections will be blocked by the browser. This is
>>>>>> not
>>>>>> a
>>>>>> Grizzly issue :-) Can you try outside Eclipse with 2 different browser
>>>>>> (like
>>>>>> I'm doing)?
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>> -- Jeanfrancois
>>>>>>
>>>>>>
>>>>>>> Thank you guys!
>>>>>>>
>>>>>>> Saludos
>>>>>>>
>>>>>>> Cesar.-
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> 2009/5/23 César Fernando Henriques <fuzzball_at_alttab.com.ar>:
>>>>>>>>
>>>>>>>> Jean,
>>>>>>>>
>>>>>>>> I have been doing some tests, but I'm still getting the same error
>>>>>>>> (The servlet blocks after the first request). This is the output for
>>>>>>>> the first request. If I close the browser ht servlet can serve
>>>>>>>> another
>>>>>>>> request.
>>>>>>>>
>>>>>>>> 23/05/2009 19:17:12 com.sun.grizzly.http.SelectorThread
>>>>>>>> displayConfiguration
>>>>>>>> INFO:
>>>>>>>>  Grizzly configuration for port 80
>>>>>>>>      Thread Pool: StatsThreadPool[name=http, priority=10,
>>>>>>>> min-threads=5,
>>>>>>>> max-threads=5, max-queue-size=4096, initial-byte-buffer-size=8192,
>>>>>>>> byte-buffer-type=HEAP_VIEW, is-shutdown=false, port=80]
>>>>>>>>      ByteBuffer size: 8192
>>>>>>>>      maxHttpHeaderSize: 8192
>>>>>>>>      maxKeepAliveRequests: 256
>>>>>>>>      keepAliveTimeoutInSeconds: 30
>>>>>>>>      Static File Cache enabled: true
>>>>>>>>      Static resources directory:
>>>>>>>> E:\Users\Cesar\Documentos\Proyectos\WebServer
>>>>>>>>      Adapter : com.sun.grizzly.tcp.http11.GrizzlyAdapterChain
>>>>>>>>      Asynchronous Request Processing enabled: true
>>>>>>>> 23/05/2009 19:17:16 com.sun.grizzly.http.ProcessorTask parseRequest
>>>>>>>> INFO: SocketChannel request
>>>>>>>> linejava.nio.channels.SocketChannel[connected local=/127.0.0.1:80
>>>>>>>> remote=/127.0.0.1:54798] is: R( /index.html)
>>>>>>>> 23/05/2009 19:17:16 com.sun.grizzly.http.ProcessorTask parseRequest
>>>>>>>> INFO: SocketChannel headersjava.nio.channels.SocketChannel[connected
>>>>>>>> local=/127.0.0.1:80 remote=/127.0.0.1:54798] are: === MimeHeaders
>>>>>>>> ===
>>>>>>>> host = localhost:80
>>>>>>>> user-agent = Mozilla/5.0 (Windows; U; Windows NT 6.1; es-ES;
>>>>>>>> rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10
>>>>>>>> accept =
>>>>>>>> text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
>>>>>>>> accept-language = es-es,es;q=0.8,en-us;q=0.5,en;q=0.3
>>>>>>>> accept-encoding = gzip,deflate
>>>>>>>> accept-charset = ISO-8859-1,utf-8;q=0.7,*;q=0.7
>>>>>>>> keep-alive = 300
>>>>>>>> connection = keep-alive
>>>>>>>> cache-control = max-age=0
>>>>>>>>
>>>>>>>> I'm running on Windows 7 64bits and JDK 1.6 U12
>>>>>>>>
>>>>>>>> any help?
>>>>>>>>
>>>>>>>>
>>>>>>>> On Fri, May 22, 2009 at 2:04 PM, Jeanfrancois Arcand
>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>
>>>>>>>>> Salut,
>>>>>>>>>
>>>>>>>>> César Fernando Henriques wrote:
>>>>>>>>>>
>>>>>>>>>> Thanks you Jean, will be good if you have a little of free time to
>>>>>>>>>> check my code but don't worry, I'm not hurry
>>>>>>>>>
>>>>>>>>> (saw your post on Netty ;-))
>>>>>>>>>
>>>>>>>>> For me your code works perfectly (I'm using 1.9.16-SNAPSHOT)
>>>>>>>>>
>>>>>>>>> I did:
>>>>>>>>>>
>>>>>>>>>> jfarcand_at_jfarcand-desktop:/appserv80/grizzly/gws_comet$ jdebug
>>>>>>>>>> -Dcom.sun.grizzly.enableSnoop=true
>>>>>>>>>> -Dcom.sun.grizzly.displayConfiguration=true -cp
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>  /appserv80/grizzly/trunk/modules/bundles/comet/target/grizzly-comet-webserver-1.9.16-SNAPSHOT.jar:.
>>>>>>>>>> ar.com.alttab.webserver.Test
>>>>>>>>>> Listening for transport dt_socket at address: 9009
>>>>>>>>>> 22-May-2009 12:56:24 PM com.sun.grizzly.http.SelectorThread
>>>>>>>>>> displayConfiguration
>>>>>>>>>> INFO:  Grizzly configuration for port 8080
>>>>>>>>>>      Thread Pool: StatsThreadPool[name=http, priority=10,
>>>>>>>>>> min-threads=5, max-threads=5, max-queue-size=4096,
>>>>>>>>>> initial-byte-buffer-size=8192, byte-buffer-type=HEAP_VIEW,
>>>>>>>>>> is-shutdown=false, port=8080]
>>>>>>>>>>      ByteBuffer size: 8192
>>>>>>>>>>      maxHttpHeaderSize: 8192
>>>>>>>>>>      maxKeepAliveRequests: 256
>>>>>>>>>>      keepAliveTimeoutInSeconds: 30
>>>>>>>>>>      Static File Cache enabled: true
>>>>>>>>>>      Static resources directory:
>>>>>>>>>> /home/jfarcand/workspace/grizzly/gws_comet
>>>>>>>>>>      Adapter : com.sun.grizzly.tcp.http11.GrizzlyAdapterChain
>>>>>>>>>>      Asynchronous Request Processing enabled: true
>>>>>>>>>> 22-May-2009 12:56:33 PM com.sun.grizzly.http.ProcessorTask
>>>>>>>>>> parseRequest
>>>>>>>>>> INFO: SocketChannel request
>>>>>>>>>> linejava.nio.channels.SocketChannel[connected
>>>>>>>>>> local=/127.0.0.1:8080 remote=/127.0.0.1:39679] is: R( /)
>>>>>>>>>> 22-May-2009 12:56:33 PM com.sun.grizzly.http.ProcessorTask
>>>>>>>>>> parseRequest
>>>>>>>>>> INFO: SocketChannel
>>>>>>>>>> headersjava.nio.channels.SocketChannel[connected
>>>>>>>>>> local=/127.0.0.1:8080 remote=/127.0.0.1:39679] are: ===
>>>>>>>>>> MimeHeaders
>>>>>>>>>> ===
>>>>>>>>>> user-agent = Wget/1.11.4
>>>>>>>>>> accept = */*
>>>>>>>>>> host = 127.0.0.1:8080
>>>>>>>>>> connection = Keep-Alive
>>>>>>>>>>
>>>>>>>>>> Suspending :
>>>>>>>>>> com.sun.grizzly.http.servlet.HttpServletRequestImpl_at_1712651
>>>>>>>>>> 22-May-2009 12:56:53 PM com.sun.grizzly.http.ProcessorTask
>>>>>>>>>> parseRequest
>>>>>>>>>> INFO: SocketChannel request
>>>>>>>>>> linejava.nio.channels.SocketChannel[connected
>>>>>>>>>> local=/127.0.0.1:8080 remote=/127.0.0.1:39680] is: R( /)
>>>>>>>>>> 22-May-2009 12:56:53 PM com.sun.grizzly.http.ProcessorTask
>>>>>>>>>> parseRequest
>>>>>>>>>> INFO: SocketChannel
>>>>>>>>>> headersjava.nio.channels.SocketChannel[connected
>>>>>>>>>> local=/127.0.0.1:8080 remote=/127.0.0.1:39680] are: ===
>>>>>>>>>> MimeHeaders
>>>>>>>>>> ===
>>>>>>>>>> user-agent = Wget/1.11.4
>>>>>>>>>> accept = */*
>>>>>>>>>> host = 127.0.0.1:8080
>>>>>>>>>> connection = Keep-Alive
>>>>>>>>>>
>>>>>>>>>> Suspending :
>>>>>>>>>> com.sun.grizzly.http.servlet.HttpServletRequestImpl_at_6397eb
>>>>>>>>>> 22-May-2009 12:57:04 PM
>>>>>>>>>> com.sun.grizzly.http.SocketChannelOutputBuffer
>>>>>>>>>> flushChannel
>>>>>>>>>> INFO: HTTP/1.1 200 OK
>>>>>>>>>> server: grizzly/1.9.16
>>>>>>>>>> Content-Length: 0
>>>>>>>>>> Date: Fri, 22 May 2009 16:57:04 GMT
>>>>>>>>>> Connection: Keep-Alive
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> 22-May-2009 12:57:23 PM
>>>>>>>>>> com.sun.grizzly.http.SocketChannelOutputBuffer
>>>>>>>>>> flushChannel
>>>>>>>>>> INFO: HTTP/1.1 200 OK
>>>>>>>>>> server: grizzly/1.9.16
>>>>>>>>>> Content-Length: 0
>>>>>>>>>> Date: Fri, 22 May 2009 16:57:23 GMT
>>>>>>>>>> Connection: Keep-Alive
>>>>>>>>>
>>>>>>>>> And added the following line in
>>>>>>>>>
>>>>>>>>>>     CometResponseHandler handler = new CometResponseHandler();
>>>>>>>>>>     handler.attach(arg1);
>>>>>>>>>>     context.addCometHandler(handler);
>>>>>>>>>>     System.out.println("Suspending : " + arg0);
>>>>>>>>>
>>>>>>>>> I do see the Suspended called all the time, and also the
>>>>>>>>> push/notify.
>>>>>>>>> Ho
>>>>>>>>> can
>>>>>>>>> I reproduce your use case?
>>>>>>>>>
>>>>>>>>>> Do you know if there are any plan to release Grizzly Comet Web
>>>>>>>>>> Server
>>>>>>>>>> for nio framework 2.0?
>>>>>>>>>
>>>>>>>>> We are targetting June 2009. I will soon work on the Comet
>>>>>>>>> implementation
>>>>>>>>> (after J1).
>>>>>>>>>
>>>>>>>>>> Last question, (already asked on the other thread), is there any
>>>>>>>>>> way
>>>>>>>>>> to add a ProtocolFilter to GrizzlyWebServer, I have been playing
>>>>>>>>>> with
>>>>>>>>>> netty and have the chance to add Custom Handlers to the channel,
>>>>>>>>>> so I
>>>>>>>>>> was thinking to add ProtocolHandler, CompressionHandler and
>>>>>>>>>> CryptoHandler.
>>>>>>>>>
>>>>>>>>> Yes, and I've answered:
>>>>>>>>>
>>>>>>>>>> In Grizzly you will do something like:
>>>>>>>>>>
>>>>>>>>>> GrizzlyWebServer.getSelectorThread().getSelectorHandler().
>>>>>>>>>>
>>>>>>>>>>  getProtocolChain().poll().addFilter(2,yourCustomProtocolParser());
>>>>>>>>>> Another good use of Filters in my case could be to transform
>>>>>>>>>> documents, I'm going to access different content from moble phones
>>>>>>>>>> so
>>>>>>>>>> maybe a good service to add in the Daemon could be a
>>>>>>>>>> DocumentTransformationFilter, that extract text/html from pdf,
>>>>>>>>>> doc,
>>>>>>>>>> docx (I already have this implemented in a DTS Service running
>>>>>>>>>> standalone).
>>>>>>>>>>
>>>>>>>>>> What do you think?
>>>>>>>>>
>>>>>>>>> I think that could be pretty simple to do that inside a
>>>>>>>>> GrizzlyAdapter
>>>>>>>>> instead of a ProtocolFilter. Inside the grizzlyAdapter all the
>>>>>>>>> headers
>>>>>>>>> will
>>>>>>>>> be parsed for you, and you just have to manipulate the body of the
>>>>>>>>> request.
>>>>>>>>>
>>>>>>>>> Thanks!
>>>>>>>>>
>>>>>>>>> -- Jeanfrancois
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> Thanks
>>>>>>>>>>
>>>>>>>>>> Cesar.-
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Thu, May 21, 2009 at 10:18 PM, Jeanfrancois Arcand
>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>> Salut,
>>>>>>>>>>>
>>>>>>>>>>> I'm back (was releasing this little monster -> http://is.gd/Cb5Y)
>>>>>>>>>>>
>>>>>>>>>>> César Fernando Henriques wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> Maybe I'm getting wrong... but is supposed that the request get
>>>>>>>>>>>> suspened for different client's. In my case the servlet serve
>>>>>>>>>>>> one
>>>>>>>>>>>> client and suspend... that's ok, if I dispacth a comet event the
>>>>>>>>>>>> response is updated with the notify, but I I create another
>>>>>>>>>>>> request
>>>>>>>>>>>> to
>>>>>>>>>>>> the servlet from another client the servlet doesn't respond
>>>>>>>>>>>> until I
>>>>>>>>>>>> close the previuos request (Close the browser).
>>>>>>>>>>>>
>>>>>>>>>>>> I don't think that should be happening... but maybe I'm totally
>>>>>>>>>>>> confused.
>>>>>>>>>>>
>>>>>>>>>>> No you are correct. I suspect there is not enough threads...but
>>>>>>>>>>> that
>>>>>>>>>>> strange. I will play with the sample (THANKS) to see what's
>>>>>>>>>>> happening.
>>>>>>>>>>>
>>>>>>>>>>> Apology for the delay.
>>>>>>>>>>>
>>>>>>>>>>> -- Jeanfrancois
>>>>>>>>>>>
>>>>>>>>>>>> Thanks!
>>>>>>>>>>>>
>>>>>>>>>>>> On Thu, May 21, 2009 at 6:01 PM, Jeanfrancois Arcand
>>>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> Salut,
>>>>>>>>>>>>>
>>>>>>>>>>>>> César Fernando Henriques wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Jean, Yes, the service method is invoked, and the event is
>>>>>>>>>>>>>> dispatched
>>>>>>>>>>>>>> on CometResponseHandler. My problem is that the Servlet
>>>>>>>>>>>>>> running
>>>>>>>>>>>>>> on
>>>>>>>>>>>>>> GrizzlyWebServer is blocking and I just can serve one client
>>>>>>>>>>>>>> at
>>>>>>>>>>>>>> time.
>>>>>>>>>>>>>
>>>>>>>>>>>>> OK but all request gets suspended and that's normal you don't
>>>>>>>>>>>>> get
>>>>>>>>>>>>> any
>>>>>>>>>>>>> response. What are you expecting?
>>>>>>>>>>>>>
>>>>>>>>>>>>> Thanks!
>>>>>>>>>>>>>
>>>>>>>>>>>>> -- jeanfrancois
>>>>>>>>>>>>>
>>>>>>>>>>>>>> I have attached the code.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thanks you!!!
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Thu, May 21, 2009 at 5:43 PM, Jeanfrancois Arcand
>>>>>>>>>>>>>> <Jeanfrancois.Arcand_at_sun.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Salut,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Survivant 00 wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I never did comet stuff yet, but here a snippet that will
>>>>>>>>>>>>>>>> enable
>>>>>>>>>>>>>>>> comet.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> // comet
>>>>>>>>>>>>>>>>      if(cometEnabled){
>>>>>>>>>>>>>>>>          SelectorThread st = ws.getSelectorThread();
>>>>>>>>>>>>>>>>                        AsyncHandler asyncHandler = new
>>>>>>>>>>>>>>>> DefaultAsyncHandler();
>>>>>>>>>>>>>>>>          asyncHandler.addAsyncFilter(new
>>>>>>>>>>>>>>>> CometAsyncFilter());
>>>>>>>>>>>>>>>>          st.setAsyncHandler(asyncHandler);
>>>>>>>>>>>>>>>>                        st.setEnableAsyncExecution(true);
>>>>>>>>>>>>>>>>      }
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> No this not not needed.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Cesar, is the service method of your GrizzlyAdapter invoked?
>>>>>>>>>>>>>>> Can
>>>>>>>>>>>>>>> you
>>>>>>>>>>>>>>> send
>>>>>>>>>>>>>>> me
>>>>>>>>>>>>>>> the entire class so I can try?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thanks
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> -- Jeanfrancois
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> 2009/5/21 César Fernando Henriques <cesar_at_alttab.com.ar
>>>>>>>>>>>>>>>> <mailto:cesar_at_alttab.com.ar>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  Hi guys, I'm runnign the following code and something is
>>>>>>>>>>>>>>>> wrong,
>>>>>>>>>>>>>>>> the
>>>>>>>>>>>>>>>>  servlet is blocking so I just can serve one client at time.
>>>>>>>>>>>>>>>> Is
>>>>>>>>>>>>>>>> that
>>>>>>>>>>>>>>>>  supposed to work in that way?
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  Sorry if this is a silly question.. I'm new to Grizzly.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>      GrizzlyWebServer server = new GrizzlyWebServer(80);
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>      server.addAsyncFilter(new CometAsyncFilter());
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>      server.addGrizzlyAdapter(new ServletAdapter(new
>>>>>>>>>>>>>>>> MyServlet()),
>>>>>>>>>>>>>>>>  new String[]{"/"});
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>      server.addGrizzlyAdapter(new GrizzlyAdapter() {
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>          @Override
>>>>>>>>>>>>>>>>          public void service(GrizzlyRequest arg0,
>>>>>>>>>>>>>>>> GrizzlyResponse
>>>>>>>>>>>>>>>>  arg1) {
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>              CometEngine cometEngine =
>>>>>>>>>>>>>>>> CometEngine.getEngine();
>>>>>>>>>>>>>>>>              CometContext cometContext =
>>>>>>>>>>>>>>>>  cometEngine.getCometContext("caca");
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>              try {
>>>>>>>>>>>>>>>>                  cometContext.notify("Chatter test has
>>>>>>>>>>>>>>>> joined.");
>>>>>>>>>>>>>>>>              } catch (IOException e) {
>>>>>>>>>>>>>>>>                  // TODO Auto-generated catch block
>>>>>>>>>>>>>>>>                  e.printStackTrace();
>>>>>>>>>>>>>>>>              }
>>>>>>>>>>>>>>>>          }
>>>>>>>>>>>>>>>>      }, new String[] { "/test" });
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>      try {
>>>>>>>>>>>>>>>>          server.start();
>>>>>>>>>>>>>>>>      } catch (IOException e) {
>>>>>>>>>>>>>>>>          // TODO Auto-generated catch block
>>>>>>>>>>>>>>>>          e.printStackTrace();
>>>>>>>>>>>>>>>>      }
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  Regards.-
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
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