[OpenLayers-Users] RE WMSGetFeatureInfo hangs when getfeatureinfo returns no results

[Steve.Toutant at inspq.qc.ca]

I would do something like this. Hope this help.
theControl.events.register("getfeatureinfo", this, showInfo);

function showInfo(evt) 
{
      if( evt.text != "\n" && evt.text != "")
        map.addPopup(......);
}




"Manuel Aymerich" <maymerich at argongra.es>@openlayers.org 
Envoyé par : users-bounces at openlayers.org
15/06/2010 06:05 AM

A
<users at openlayers.org>
cc

Objet
[OpenLayers-Users] WMSGetFeatureInfo hangs when getfeatureinfo  returns no 
results








Hi,
 
I am using openlayers 2.9 together with mapsever 5.6. I am retrieving 
queries with OL control WMSGetFeatureInfo() and getfeatureinfo event. Up 
to this point everything works fine, being able to show query results when 
the user clicks on a queryable map feature. However if the user clicks the 
map on a zone where no features are available, the mouse cursor moves to 
the loading state (hourglass icon), and waits for a response that doesn?t 
seem to arrive. The mapserver logs show that no result was returned (? 
GetFeatureInfo Results: Search returned no results). However, it seems 
that OL is not able to handle this response and remains waiting in this 
state until the user performs another operation. 
 
Any suggestions about how behaviour could be fixed? Shouldn?t OL handle 
the no result exception case?
 
 Thanks in advance,
 
Manuel
 
 
 
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