[Chameleon] Extract WFS Data

[we wei]

Hi all,

I have a question about using Extract WFS Data in
Chameleon 1.1 alpha 6 sample application.  I tried to
see the actiion of this widget.  But when I click
extract button on the pop-up window of Extract WFS
Data, I got the following error:

"Invalid layer or none selected.  Please ensure that
the selected layer is WMS or WFS layer"

Then I look in sample.map file and it doesn't not seem
to have any WFS layer.  So, I changed to use
sample_wms_wfs_server.map and
sample_wms_wfs_client.map; however, I still got the
above error.

I guess I may setup something wrongly.

Could anyone give some hints to me so that I could
make this functionality work ?

Any help would be greatly appreciated.

Thanks in advance.
   

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