Hi Christian.
This may not be relevant - but just in case - there was an
issue with Tapestry 3 to do with double clicking submits.
I'm not using T4 yet and things may have changed, but read this:
http://article.gmane.org/gmane.comp.java.tapestry.user/19128/match=locked+filter
Cheers,
Nick.
Christian Mittendorf wrote:
Thanks for the hint. I will give your approach a try tomorrow!
Christian
Am 13.03.2006 um 18:20 schrieb Inge Solvoll:
See the token-discussion in another recent thread, which discusses this
issue. (double submit)
On 3/13/06, Bryan Lewis <[EMAIL PROTECTED]> wrote:
Look in your page spec or template for a binding like map.areaCode. It
sounds like you have a hashmap with an areaCode key, and the map isn't
declared persistent. Or pehaps it's being nullified in the first
submit. When the second submit comes along, the page is trying to
store
the areaCode in a null map.
Christian Mittendorf wrote:
Hello!
Using a double-click for selecting buttons is - as far as I can tell
from my observations - a common "mistake" of computer beginners. I
know a number of new computer users, that apply this pattern - which
they know from the desktop for opening files - to navigating web
pages and submitting web forms.
We are tracking the exceptions from our live applications and there
is one exception, that we really couldn't either recreate with our
test environment nor could we explain it. Probably we have found a
hint now...
The error is always (better very often) a null pointer exception with
an error message like this:
target is null for setProperty(null, "areaCode", 040)
While developing a new application I accidentally did a fast double
click on a button and I got the error message shown above. I was also
able to reproduce this exception, although it wasn't always the same
property that did cause the exception.
Has anybody else experienced something similar? What is the cause for
this exception? I assume that it must have something to do with the
rewind cycle. Any ideas for my next steps to hunt down this "bug" are
appreciated ;-)
Christian
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