Remi, from some of my reading, I'm getting the impression
that one should be careful when using threads inside of a
servlet container. How do you do this, can you elaborate?
On Tue, Jan 26, 2016 at 9:23 AM, <
stripes-users-requ...@lists.sourceforge.net> wrote:
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> Today's Topics:
>
> 1. Re: Flushing a writer before the ActionBean has completed
> (Ron King)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 26 Jan 2016 09:23:06 -0600
> From: Ron King <ronck...@gmail.com>
> Subject: Re: [Stripes-users] Flushing a writer before the ActionBean
> has completed
> To: stripes-users@lists.sourceforge.net
> Message-ID:
> <
> can2l1vr_sxg8xo13fun2-vo82r6r2rqvxw5jf0gxjpdezjj...@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Thanks Remi, I'll give this some thought, this helps a lot.
> Also, I did come up with a way to prompt the user at the beginning of the
> submission.
> I pop up a jquery-ui dialog box, instead of trying to use the response
> writer
> to write a new page.
>
> On Tue, Jan 26, 2016 at 2:15 AM, <
> stripes-users-requ...@lists.sourceforge.net> wrote:
>
> > Send Stripes-users mailing list submissions to
> > stripes-users@lists.sourceforge.net
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
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> > or, via email, send a message with subject or body 'help' to
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> >
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> > than "Re: Contents of Stripes-users digest..."
> >
> >
> > Today's Topics:
> >
> > 1. Re: Stripes-users Digest, Vol 113, Issue 4 (VANKEISBELCK Remi)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 26 Jan 2016 09:15:03 +0100
> > From: VANKEISBELCK Remi <r...@rvkb.com>
> > Subject: Re: [Stripes-users] Stripes-users Digest, Vol 113, Issue 4
> > To: Stripes Users List <stripes-users@lists.sourceforge.net>
> > Message-ID:
> > <CAG-EEs3GhOKEUHRZBMWpZvp7bnBz=
> > kuwkyvpng2sp4kr_qk...@mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hi Ron,
> >
> > Sending an email at the end of the task is even easier : you don't need
> > polling at all !
> >
> > Simply submit a runnable with your webservice call and response handling
> > (send the email) to an ExecutorService from the action. This is "fire and
> > forget" : submission to the executor doesn't block. Then just return a
> > redirect to the action you want.
> >
> > Stuff like :
> >
> > public Resolution submitTaskAndProceed() {
> > executorService.submit(new MyTask(this));
> > return new RedirectResolution(MyActionAfterSubmitTask.class);
> > }
> >
> > As you see the action can be an argument of the task, in case you need
> it.
> > I prefer to pass actual required data as it makes your task testable
> > outside of Stripes.
> >
> > The whole point here is that your action bean is a regular one. It
> submits
> > a job to a thread pool, that's all.
> >
> > HTH
> >
> > R?mi
> >
> > 2016-01-25 17:54 GMT+01:00 Ron King <ronck...@gmail.com>:
> >
> > > The link that Joaquin describes is not quite what I want either. I want
> > to
> > > allow the user to go ahead and
> > > continue to work, not wait one minute before they can go on. This seems
> > to
> > > describe a scenario where a 'wait page' would be updated periodically,
> > and
> > > I don't want the user to have to wait at all. Sending an email from
> > within
> > > the action upon completion would work for me as far as notifying the
> user
> > > about their form submission.
> > >
> > > It appears to me that If I can get the response writer to write out my
> > new
> > > page at the beginning of the submission, it would satisfy my
> requirement.
> > > How can I ensure that the writer is flushed?
> > >
> > >
> > >
> >
> https://stripesframework.atlassian.net/wiki/display/STRIPES/Wait+Page+for+Long+Events
> > >
> > > On Mon, Jan 25, 2016 at 3:00 AM, <
> > > stripes-users-requ...@lists.sourceforge.net> wrote:
> > >
> > >> Send Stripes-users mailing list submissions to
> > >> stripes-users@lists.sourceforge.net
> > >>
> > >> To subscribe or unsubscribe via the World Wide Web, visit
> > >> https://lists.sourceforge.net/lists/listinfo/stripes-users
> > >> or, via email, send a message with subject or body 'help' to
> > >> stripes-users-requ...@lists.sourceforge.net
> > >>
> > >> You can reach the person managing the list at
> > >> stripes-users-ow...@lists.sourceforge.net
> > >>
> > >> When replying, please edit your Subject line so it is more specific
> > >> than "Re: Contents of Stripes-users digest..."
> > >>
> > >>
> > >> Today's Topics:
> > >>
> > >> 1. Re: Writing to response.writer is not working (Joaquin Valdez)
> > >> 2. Re: Infinite loop issue on stripes layout components inside
> > >> jsp tag (Zlatka Mihaylova)
> > >>
> > >>
> > >> ----------------------------------------------------------------------
> > >>
> > >> Message: 1
> > >> Date: Sat, 23 Jan 2016 11:41:57 -0700
> > >> From: Joaquin Valdez <joaquinfval...@gmail.com>
> > >> Subject: Re: [Stripes-users] Writing to response.writer is not working
> > >> To: r...@rvkb.com, Stripes Users List
> > >> <stripes-users@lists.sourceforge.net>
> > >> Message-ID: <c434177a-267a-42a6-be86-4bf7d6b64...@gmail.com>
> > >> Content-Type: text/plain; charset="utf-8"
> > >>
> > >> Hi!
> > >>
> > >> Is this the same idea as this:
> > >>
> > >>
> > >>
> >
> https://stripesframework.atlassian.net/wiki/display/STRIPES/Wait+Page+for+Long+Events
> > >> ?
> > >>
> > >> Joaquin
> > >>
> > >> > On Jan 23, 2016, at 10:52 AM, VANKEISBELCK Remi <r...@rvkb.com>
> > wrote:
> > >> >
> > >> > Hi again,
> > >> >
> > >> > Seems like a regular "long running job / polling" scenario. It can
> be
> > >> done with current Stripes version, even if it will be less performant
> if
> > >> your http client is really non blocking, but that's another story.
> > >> >
> > >> > So here's how I'd do this.
> > >> >
> > >> > 1/ Server side
> > >> >
> > >> > In the ActionBean, I'd submit a task to an executor service (a
> thread
> > >> pool) with that long running job that calls the webservice. This task
> > >> should update the back-end state in some way, so that you can do
> polling
> > >> and know when it's done.
> > >> > The same ActionBean can handle Ajax polling via another event
> method.
> > >> This one will be called from some JS code in your page.
> > >> >
> > >> > public class MyAction implements ActionBean {
> > >> >
> > >> > public Resolution triggerLongRunningJob() {
> > >> > // retrieve Executor Service, from servlet context or custom
> > >> ActionBeanContext
> > >> > ExecutorService executorService = ... ;
> > >> > // submit task
> > >> > executorService.submit(new MyLongRunningTask(...);
> > >> > // return a redirect resolution to the "wait" screen
> > >> > return new RedirectResolution(getClass(), "displayWaitScreen")
> > >> > }
> > >> >
> > >> > public Resolution displayWaitScreen() {
> > >> > return new ForwardResolution("/WEB-INF/jsp/wait-screen.jsp");
> > >> > }
> > >> >
> > >> > public Resolution poll() {
> > >> > // find task completion status and return to the client
> > >> > String jsonTaskCompletion = ... ;
> > >> > return new StreamingResolution("application/json",
> > >> jsonTaskCompletion);
> > >> > }
> > >> >
> > >> >
> > >> > // the long running task code is in a Runnable
> > >> > private class MyLongRunningTask implements Runnable {
> > >> > public void run() {
> > >> > // call the webservice and update internal state
> > >> >
> > >> > }
> > >> > }
> > >> > }
> > >> >
> > >> >
> > >> > 2/ Client side
> > >> >
> > >> > First you'll submit the form to the 'triggerLongRunningJob' event.
> > This
> > >> will launch the background task and return directly.
> > >> > Then, you'll send xhr requests to the 'poll' event, that will tell
> you
> > >> what to do next. If task has completed, then you'll probably change
> the
> > >> location of the browser in some way in order to display a "result"
> page
> > of
> > >> some sort (ie use your data from the completed task and do whatever
> you
> > >> need with it).
> > >> >
> > >> > HTH
> > >> >
> > >> > R?mi
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >> > 2016-01-23 17:05 GMT+01:00 Ron King <ronck...@gmail.com>:
> > >> >> Hi everyone,
> > >> >>
> > >> >> I want to write an html page back to the user at the very beginning
> > of
> > >> an ActionBean submit method.
> > >> >> The method calls a web service that takes around a minute to
> respond,
> > >> and I want to put up a message
> > >> >> before the web service finishes.
> > >> >>
> > >> >> I'm on Tomcat 8. I tried flushing the writer, but the page still
> > >> doesn't display until after I return the
> > >> >> Resolution from the submit method.
> > >> >>
> > >> >> Is there a way to make it write immediately?
> > >> >>
> > >> >> Regards,
> > >> >>
> > >> >> Ron
> > >> >>
> > >> >>
> > >>
> >
> ------------------------------------------------------------------------------
> > >> >> Site24x7 APM Insight: Get Deep Visibility into Application
> > Performance
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> > >> >> _______________________________________________
> > >> >> Stripes-users mailing list
> > >> >> Stripes-users@lists.sourceforge.net
> > >> >> https://lists.sourceforge.net/lists/listinfo/stripes-users
> > >> >
> > >> >
> > >>
> >
> ------------------------------------------------------------------------------
> > >> > Site24x7 APM Insight: Get Deep Visibility into Application
> Performance
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> > >> > _______________________________________________
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> > >> ------------------------------
> > >>
> > >> Message: 2
> > >> Date: Mon, 25 Jan 2016 08:45:32 +0000
> > >> From: Zlatka Mihaylova <zla...@chrono24.com>
> > >> Subject: Re: [Stripes-users] Infinite loop issue on stripes layout
> > >> components inside jsp tag
> > >> To: Stripes Users List <stripes-users@lists.sourceforge.net>
> > >> Message-ID: <ca5a61b5677b427c9dfc34af0c2ba...@dox13be02.hex2013.com>
> > >> Content-Type: text/plain; charset="utf-8"
> > >>
> > >> Thank you for the solution. It works.
> > >> Btw, is there a Stripes change log somewhere? I?m interested in the
> > >> changes from the last 7-8 years.
> > >>
> > >> Von: Ben Gunter [mailto:bgun...@cpons.com]
> > >> Gesendet: Mittwoch, 20. Januar 2016 13:12
> > >> An: Stripes Users List <stripes-users@lists.sourceforge.net>
> > >> Betreff: Re: [Stripes-users] Infinite loop issue on stripes layout
> > >> components inside jsp tag
> > >>
> > >> There's no telling when or if this will get fixed. For now, you should
> > be
> > >> able to work around the issue by using the alternative layout tag
> > >> implementation with the following URL in the taglib directive:
> > >>
> > >> <%@ taglib prefix="layout" uri="
> > >> http://stripes.sourceforge.net/stripes-buffered-layout.tld"; %>
> > >>
> > >> On Wed, Jan 20, 2016 at 5:53 AM, Zlatka Mihaylova <
> zla...@chrono24.com
> > >> <mailto:zla...@chrono24.com>> wrote:
> > >> Hi,
> > >>
> > >> I am stuck on the following problem: with the current stripes version
> > >> 1.6.0 an infinite recursion occurs whenever a
> > <stripes:layout-component> is
> > >> rendered inside a JSP custom tag. It?s pretty much the same issue
> > reported
> > >> here: https://stripesframework.atlassian.net/browse/STS-924 . The
> > >> solution to rewrite all custom tags into JSP includes is working, but
> > >> unclean, since we lose the convenient component encapsulation. This
> bug
> > >> makes it impossible to use stripes layouts inside custom JSP tags.
> > >>
> > >> One of the stripes framework strengths is in the layout reusability.
> > >> Therefore it would be very helpful if the issue is reopened and fixed.
> > Let
> > >> me know if you need more information or sample program to reproduce
> the
> > >> problem.
> > >> Kind regards
> > >>
> > >> Zlatka Mihaylova
> > >> Backend-/ Java Developer
> > >>
> > >>
> > >>
> >
> ------------------------------------------------------------------------------
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> > >> Monitor end-to-end web transactions and take corrective actions now
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> > >> Stripes-users@lists.sourceforge.net<mailto:
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> > >> Monitor end-to-end web transactions and take corrective actions now
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> > >> https://lists.sourceforge.net/lists/listinfo/stripes-users
> > >>
> > >>
> > >> End of Stripes-users Digest, Vol 113, Issue 4
> > >> *********************************************
> > >>
> > >
> > >
> > >
> > >
> >
> ------------------------------------------------------------------------------
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> > End of Stripes-users Digest, Vol 113, Issue 8
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