id summary reporter owner description type status priority milestone component version severity resolution keywords cc external_id 2205 """Value cannot be null"" on references tab in Resource Properties Dialog" jng jng "Bring up the resource references tab on the properties for an Application Definition. Maestro errors out with the following: {{{ System.ArgumentNullException: Value cannot be null. Parameter name: identifier at OSGeo.MapGuide.MaestroAPI.Resource.ResourceIdentifier.GetExtension(String identifier) in c:\Program Files (x86)\Jenkins\jobs\Maestro trunk\workspace\OSGeo.MapGuide.MaestroAPI\Resource\ResourceIdentifier.cs:line 401 at OSGeo.MapGuide.MaestroAPI.Resource.ResourceIdentifier.GetResourceType(String identifier) in c:\Program Files (x86)\Jenkins\jobs\Maestro trunk\workspace\OSGeo.MapGuide.MaestroAPI\Resource\ResourceIdentifier.cs:line 390 at Maestro.Base.UI.ResourceIconCache.GetImageIndexFromResourceID(String resourceId) in c:\Program Files (x86)\Jenkins\jobs\Maestro trunk\workspace\Maestro.Base\UI\ResourceIconCache.cs:line 142 at Maestro.Base.UI.ResourcePropertiesDialog.ReferenceWorker_RunWorkerCompleted(Object sender, RunWorkerCompletedEventArgs e) in c:\Program Files (x86)\Jenkins\jobs\Maestro trunk\workspace\Maestro.Base\UI\ResourcePropertiesDialog.cs:line 945 at System.ComponentModel.BackgroundWorker.OnRunWorkerCompleted(RunWorkerCompletedEventArgs e) at System.ComponentModel.BackgroundWorker.AsyncOperationCompleted(Object arg) }}}" defect closed low Maestro-5.0 Maestro trivial fixed