[fusion-users] Maptip Error before first map image is loaded

Wed Apr 8 10:53:00 EDT 2009

Hi all!

I'm dabbling with a couple of applications running on MGOS 2.0.2 and Fusion 1.1.1 and have come across a problem with the maptip. Or, at least maptip is what I suspect. Here's what happens:   

If (and only if) I keep the mouse pointer in the map while the application is loading, I get a fusion error message like this:

Fusion Error: 
FATAL: xml2json: invalid XML document: MgInvalidArgumentException : http://oskar49/mapguide/mapagent/mapagent.fcgi?version=1.0.0&locale=sv&clientagent=Fusion%20Viewer&operation=QUERYMAPFEATURES&session=8b7cf644-ffff-ffff-8000-005056b13353_en_7F0000010AFC0AFB0AFA&mapname=Samh%C3%A4llsservice49dcaaa454ed3&geometry=POLYGON((132819.306122449%206365591.102040816%2C%20132819.306122449%206365317.022809124%2C%20133093.38535414165%206365317.022809124%2C%20133093.38535414165%206365591.102040816%2C%20132819.306122449%206365591.102040816))&maxFeatures=1&persist=0&selectionVariant=INTERSECTS&layerNames=&layerAttributeFilter=5

In Firebug I can see this response:
<html>
<head>
<title>MgInvalidArgumentException</title>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
</head>
<body>
<h2>Invalid argument(s):
The value cannot be less than or equal to zero.</h2>
Invalid argument(s):
The value cannot be less than or equal to zero.
Exception occurred in method MgServerRenderingService.RenderForSelection at line 1041 in file d:\build\mapguide_open_source_v2.0\build_30.11\mgdev\server\src\services\rendering\ServerRenderingService.cpp
</body>
</html>

This only seems to happen in the time gap between when all the fusion stuff has been loaded and when the first map image is recieved and shown in the map. I get this maybe once every two or three times, and it seems to be irrespective of browser (tried it in IE6, IE7, FF3, Opera 9), and of what application I use, template-based or my own applications. 

I've tried using different map definitions too with different layer settings (selectible, visible, maptip etc) but can't really see any patterns.

Has anyone else come across this, or have any clues what to look for? Maybe it's wrong of me to think that this has to do with the maptip at all?

Regards,

Anders Selberg,
Oskarshamn, Sweden
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