[mapguide-trac] #492: Unclassified exception previewing a map to a WMS server

[MapGuide Open Source]

#492: Unclassified exception previewing a map to a WMS server
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   Reporter:  brucedechant   |       Owner:       
       Type:  defect         |      Status:  new  
   Priority:  high           |   Milestone:  2.1  
  Component:  WMS Interface  |     Version:  2.0.0
   Severity:  critical       |    Keywords:       
External_id:  1056810        |  
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 The FDO reader IsNull() check done inside the GetRaster() API is returning
 a value of "true" for valid WMS data when it should be returning "false".
 This causes the MgNullPropertyValueException to be thrown which is not
 caught properly and becomes an unclassifed exception.

 Here are the steps to recreate:
 1) Create a WMS feature source to the following URL:

 http://www2.dmsolutions.ca/cgi-
 bin/mswms_gmap?Service=WMS&VERSION=1.1.0&REQUEST=GetCapabilities

 2) Create a layer using the prov_bound feature class, save it and add it
 to a map and preview it.
 3) Check the server error log for an unclassified exception

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Ticket URL: <http://trac.osgeo.org/mapguide/ticket/492>
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