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Greetings! It looks like the issue is that the url is not pointing directly to a WMS server, but rather is going through an ASP.NET web application that then makes the appropriate calls to a WMS server. You will need to get the address of the actual WMS server in order to use the IDV. Cheers! Sean > Full Name: du dongsheng > Email Address: address@hidden > Organization: hunan climater center > Package Version: 4.0u1 build date:2013-03-29 18:10 UTC > Operating System: Windows 7 > Hardware: Java: home: D:\Program Files\IDV_4.0u1\jre version: 1.6.0_43 > j3d:1.5.2 fcs (build4) > Description of problem: > > There was an error accessing the image with the url: > > http://msrmaps.com/ogcmap.ashx?version=1.1.1&request=GetMap&service=WMS&Styles=&format=image%2Fjpeg&SRS=EPSG:4326&CRS=EPSG:4326&Layers=UrbanArea&BBOX=-168.0,17.0,-65.0,71.0&width=584&height=600&reaspect=false&transparent=TRUE > Could not load > resource:http://msrmaps.com/ogcmap.ashx?version=1.1.1&request=GetMap&service=WMS&Styles=&format=image%2Fjpeg&SRS=EPSG:4326&CRS=EPSG:4326&Layers=UrbanArea&BBOX=-168.0,17.0,-65.0,71.0&width=584&height=600&reaspect=false&transparent=TRUE > error:java.net.ConnectException: Connection timed out: connect > > ****************** > Stack trace: > java.io.IOException: Could not load > resource:http://msrmaps.com/ogcmap.ashx?version=1.1.1&request=GetMap&service=WMS&Styles=&format=image%2Fjpeg&SRS=EPSG:4326&CRS=EPSG:4326&Layers=UrbanArea&BBOX=-168.0,17.0,-65.0,71.0&width=584&height=600&reaspect=false&transparent=TRUE > error:java.net.ConnectException: Connection timed out: connect > at ucar.unidata.util.IOUtil.getInputStream(IOUtil.java:1292) > at ucar.unidata.util.IOUtil.getInputStream(IOUtil.java:1230) > at ucar.unidata.data.gis.WmsDataSource.getDataInner(WmsDataSource.java:389) > at ucar.unidata.data.DataSourceImpl.getData(DataSourceImpl.java:2379) > at ucar.unidata.data.DirectDataChoice.getData(DirectDataChoice.java:332) > at ucar.unidata.data.DataChoice.getData(DataChoice.java:637) > at ucar.unidata.idv.control.WMSControl.readImageData(WMSControl.java:965) > at ucar.unidata.idv.control.WMSControl.loadImage(WMSControl.java:886) > at ucar.unidata.idv.control.WMSControl.access$200(WMSControl.java:110) > at ucar.unidata.idv.control.WMSControl$2.run(WMSControl.java:863) > at ucar.unidata.util.Misc$3.run(Misc.java:1249) > > > Ticket Details =================== Ticket ID: IFA-617760 Department: Support IDV Priority: Normal Status: Open