we posted at the same time, lol. Thanks, i am looking at it now.
igor.vaynberg wrote:
>
> see AjaxSelfUpdatingTimerBehavior, it also has a stop() method...
>
> -igor
>
>
> On Jan 29, 2008 11:16 AM, cemeterygate <[EMAIL PROTECTED]> wrote:
>>
>> so it's not possible for 1.3 branch. That's fine. I am on java 1.4. I am
>> using back-ported concurrent package to handle mutiple search request.
>> Everything is going well and i can cancel the previous request if there
>> is
>> new search request.
>>
>> Now, I am trying to figure out how to fresh search panel every few
>> seconds
>> after submit button is clicked, then stop if there is result ready to be
>> displayed. Can you give me some pointer on this? much appreciated!!
>>
>>
>>
>>
>>
>> igor.vaynberg wrote:
>> >
>> > it might be possible, but unlikely in the 1.3 branch. it is an
>> > interesting idea however, mind adding it to the wishlist for 1.4 wiki
>> > page?
>> >
>> > the issues is not as simple as it first seems. there is
>> > serialization/versioning issues to consider, etc.
>> >
>> > -igor
>> >
>> >
>> > On Jan 29, 2008 8:26 AM, cemeterygate <[EMAIL PROTECTED]> wrote:
>> >>
>> >> (first, sorry for start a new thread. The original thread was mixed-up
>> >> with
>> >> different top discussion)
>> >>
>> >> that's right, i am screwed anyway if request takes too long, but from
>> the
>> >> browser user decides to give up current search by click the stop
>> button
>> >> and
>> >> fire a new search. Since the pagemap is still locked by previous
>> request,
>> >> the second request will have to wait. sounds like i will end up handle
>> >> this
>> >> senario by pulling. is it possible to have a page that's not single
>> >> thread
>> >> model? Can we have two interfaces, such as SingleThreadPage, and
>> >> ConcurrentThreadPage?
>> >>
>> >> igor.vaynberg wrote:
>> >> yeah, if it takes a while the browser will timeout and you are
>> >> screwed
>> >> anyways...
>> >>
>> >> what do you mean they cant start a new search? you mean they no
>> >> longer
>> >> for the results of the currently running search and just press the
>> >> search button again?
>> >>
>> >> if they would open a new tab with the search page, and you had
>> >> automultiwindowsupport option enabled that new opened page would
>> be
>> >> created in a new pagemap, and so you wouldnt have a locking
>> >> problem...
>> >>
>> >> -igor
>> >>
>> >>
>> >> On Jan 28, 2008 2:51 PM, Johan Compagner <[EMAIL PROTECTED]>
>> >> wrote:
>> >> > shared resources are not synced thats one way of going round it.
>> >> >
>> >> > the other way is as igor describes. do the search in a seperate
>> >> thread.
>> >> > If it really takes that long then you do know that browsers also
>> >> can
>> >> just
>> >> > time out after they don't get anything for a while?
>> >> >
>> >> > If it really takes that long then you should build a page where
>> >> people
>> >> can
>> >> > fire searches to the system
>> >> > and the page is just displayig the searches they did and then if
>> >> the
>> >> search
>> >> > is finished that page can bring them to the result
>> >> >
>> >> > johan
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > On Jan 28, 2008 11:46 PM, cemeterygate <[EMAIL PROTECTED]>
>> >> wrote:
>> >> >
>> >> > >
>> >> > > that's nice to have but is there a way to work around this
>> issue?
>> >> Our
>> >> > > application for customer service and they perform a lot search
>> on
>> >> a
>> >> huge
>> >> > > database, in some cases, customer service would like to start
>> new
>> >> search.
>> >> > > Since wicket is locked by page path, there is no way for CSR
>> to
>> >> start a
>> >> > > new
>> >> > > request until previous one is finished.
>> >> > >
>> >> > >
>> >> > > igor.vaynberg wrote:
>> >> > > >
>> >> > > > the pages are locked on the pagemap. so you cannot have two
>> >> concurrent
>> >> > > > requests from the same user to the same pagemap. this is so
>> >> when
>> >> you
>> >> > > > are coding your pages you can use the much simpler
>> >> single-threaded
>> >> > > > model.
>> >> > > >
>> >> > > > every have fields in your servlet implementation? those have
>> to
>> >> be
>> >> > > > synchronized or you will run into threading issues. this is
>> the
>> >> stuff
>> >> > > > we make sure you dont have to worry about.
>> >> > > >
>> >> > > > the trade off is that if you have long running requests you
>> >> should
>> >> > > > probably process them in a different thread and let the UI
>> poll
>> >> for
>> >> > > > status.
>> >> > > >
>> >> > > > -igor
>> >> > > >
>> >> > > >
>> >> > > > On Jan 28, 2008 2:08 PM, cemeterygate
>> <[EMAIL PROTECTED]>
>> >> wrote:
>> >> > > >>
>> >> > > >> So I developed my first wicket application and I kept
>> getting
>> >> exception
>> >> > > >> below
>> >> > > >> as soon as i point my application to production database.
>> >> > > >>
>> >> > > >> Can someone tell me why wicket can't handle concurrent
>> >> request?
>> >> > > >>
>> >> > > >> to replicate this issue, i have a page with a form
>> component
>> >> and
>> >> > > regular
>> >> > > >> submit button.
>> >> > > >> on the onSubmit method,
>> >> > > >> protected void onSubmit() {
>> >> > > >> try {
>> >> > > >> Thread.sleep(3 * 60 * 1000);
>> >> > > >> } catch (InterruptedException e) {
>> >> > > >> }
>> >> > > >> }
>> >> > > >>
>> >> > > >> i put the thread into sleep for 3 minutes. I hit submit,
>> then
>> >> stop the
>> >> > > >> request on browser and submit another request. then result
>> to
>> >> a
>> >> > > internal
>> >> > > >> error page. Why can't wicket handle mutiple submit? i dont'
>> >> get
>> >> it,
>> >> > > >> shouldn't wicket process the new require like how servlet
>> >> works?
>> >> > > Someone
>> >> > > >> please tell me how to work around this issue. Thanks in
>> >> advance.
>> >> > > >>
>> >> > > >>
>> >> > > >> 2008-01-25 14:45:05,443 ERROR
>> [org.apache.wicket.RequestCycle]
>> >> -
>> >> <After
>> >> > > 1
>> >> > > >> minute the Pagemap null is still locked by:
>> >> > > >> Thread[resin-tcp-connection-*:8080-45,5,main], giving up
>> >> trying
>> >> to get
>> >> > > >> the
>> >> > > >> page for path: 5>
>> >> > > >> org.apache.wicket.WicketRuntimeException: After 1 minute
>> the
>> >> Pagemap
>> >> > > null
>> >> > > >> is
>> >> > > >> still locked by:
>> >> Thread[resin-tcp-connection-*:8080-45,5,main],
>> >> giving
>> >> > > up
>> >> > > >> trying to get the page for path: 5
>> >> > > >> at
>> org.apache.wicket.Session.getPage(Session.java:734)
>> >> > > >> at
>> >> > > >>
>> >> > >
>> >>
>> org.apache.wicket.request.AbstractRequestCycleProcessor.resolveRenderedPage
>> >> > > (AbstractRequestCycleProcessor.java:443)
>> >> > > >> at
>> >> > > >>
>> >> org.apache.wicket.protocol.http.WebRequestCycleProcessor.resolve(
>> >> > > WebRequestCycleProcessor.java:139)
>> >> > > >> at
>> >> org.apache.wicket.RequestCycle.step(RequestCycle.java:1152)
>> >> > > >> at
>> >> org.apache.wicket.RequestCycle.steps(RequestCycle.java:1245)
>> >> > > >> at
>> >> org.apache.wicket.RequestCycle.request(RequestCycle.java
>> >> > > :489)
>> >> > > >> at
>> >> > > >>
>> >> org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java
>> >> > > :354)
>> >> > > >> at
>> >> > > >>
>> >> org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java
>> >> > > :121)
>> >> > > >> at
>> >> javax.servlet.http.HttpServlet.service(HttpServlet.java:115)
>> >> > > >> at
>> >> javax.servlet.http.HttpServlet.service(HttpServlet.java:92)
>> >> > > >> at
>> >> > > >> com.caucho.server.dispatch.ServletFilterChain.doFilter(
>> >> > > ServletFilterChain.java:106)
>> >> > > >> --
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>> >> > > >>
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