Thank you both, I'll work on this per your suggestions.
On 04/06/15 03:10, Martin Grigorov wrote:
On Thu, Jun 4, 2015 at 11:04 AM, Ernesto Reinaldo Barreiro <
[email protected]> wrote:
@Martin,
Yes.... I mean exactly that... And if you are clever enough you can do some
optimizations like caching generated thumbnails :-)
I am not so clever so I'd let the browser and the CDN (if there is such) do
that do for me ;-)
I'll just make sure the path to the image is stable and the respective
response headers are set.
On Thu, Jun 4, 2015 at 10:00 AM, Martin Grigorov <[email protected]>
wrote:
I think Ernesto suggests to use something like the mounted resources
explained at
http://wicketinaction.com/2011/07/wicket-1-5-mounting-resources/
This way the browser will be able to make several requests to the server
because there is no locking at the server side as with Page instances.
Martin Grigorov
Wicket Training and Consulting
https://twitter.com/mtgrigorov
On Thu, Jun 4, 2015 at 10:43 AM, Edgar Merino <[email protected]>
wrote:
Hello, thanks for the response, what do you mean exactly by delegate to
the mounted resource? I'm thinking I can mount the images resource, and
simply reference them using their URI (is this what you mean by
delating
the call to the mounted resource?), so even if users replace the panel,
image loading won't be cancelled, since it will still be waiting for an
existing resource (instead of the problem I'm having now, where the
resource vanishes before being transfered to the user).
I believe this should avoid 3. in your response, what do you think?
On 04/06/15 02:26, Ernesto Reinaldo Barreiro wrote:
Hi,
I see two options....
1- Block the screen while images are being loaded so user has to wait.
or
1- Mount a resource serving images thumbnails.
2- Panel showing those thumbnails just delegates into mounted
resource.
So,
image generation will be faster and panel replacement will be more
fluid
3- Also block UI while replacing panel: if your users are too fast you
might encounter the same problem again.
On Thu, Jun 4, 2015 at 9:16 AM, Edgar Merino <[email protected]>
wrote:
Hello:
I'm having a problem with dynamic resources and ajax calls, I
have a
panel that includes some image thumbnails, these thumbnails may take
between 5 and 30 seconds, if a user attemps to cancel loading of this
images and loading another panel (e.g. replacing the panel), an
exception
will be thrown and cause a 500 response for each of the resources
that
failed to load. The logged error message is as follows:
ERROR - DefaultExceptionMapper - Unexpected error occurred
org.apache.wicket.WicketRuntimeException: Component
'mainContainer:mainPanel:wrappedContent:tabbedPanel:panel:materias'
has
been removed from page.
I understand the error, but I don't know what to do to avoid it,
has
anyone got a similar problem and found a solution?
Thanks in advance.
Edgar Merino.
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