Maybe you are hitting the same bug as in
http://www.openlaszlo.org/jira/browse/LPP-1652?
Note that there is a workaround in the comments at the bottom of the
page.
kathryn aaker wrote:
I'm
about to submit a bug on this and I can't find any open relevant ones
in JIRA, but was wondering if anyone else had come across it.
-----------------
Summary:
I have views that replicate according to their bound data- they have a
subview with a datapath bound to an image source attribute and call
setSource() from the applyData method. I change that bound data based
on user action- in my test case, a button click. If that data changes
too quickly(If you double/triple click), setSource() is called, but it
doesn't actually go and request the image. Not only that, but from
that point forward, *ALL* outbound requests fail silently.
-----------------
Test files:
test-loadingbug.lzx - embededed data and laszlo gui
images/ - directory of images to load
-----------------
To reproduce: (after unzipping to a working laszlo directory)
1. Run test-loadingbug.lzx
2. Single click "apply a new dataset" to see views replicate and load
images
3. Single click "apply a new dataset" to see views replicate again
with different data
4. Click "try sending data" to see a request send (and fail: expected
behavior) in the debugger our output field
5. Click "apply a new dataset" several times quickly, until the
replicated views show as gray boxes with no images
6. Click "try sending data" to see a request send, but not show
response (fail) from server.
----------------
You can verify with an external debugger like liveHttpHeaders, Charles,
or Fiddler that the calls are or are not being sent.
---------------
Notes:
* Reproduces with both proxied and unproxied applications
* Reproduces with FP7 in IE, FP8 in Firefox, and the standalone SWF
player with compiled lzx.swf
* Reproduces with setSource() called from ondata event instead of
applyData method
* Reproduces with OpenLaszlo 3.2 and 3.3
* Reproduces with images located in local filesystem or loaded remotely
------------------
My guess is that there's something going on when a replicated view is
removed while an image is still loading into it. I'm not sure where to
look from here.
Any thoughts or ideas?
Thanks much,
Kathryn
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