[Geoserver-users] GeoExt PDF printing: “Error message: Origin http://localhost:55608 is not allowed by Access-Control-Allow-Origin”

[michael6779]

Hi,

I'm trying to generate a pdf file to print a map using GeoExt but have run
into a problem. On Chrome I get the error message:

XMLHttpRequest cannot load http://Howard:8080/geoserver/pdf/create.json.
Origin http://localhost:55608 is not allowed by Access-Control-Allow-Origin.

I think the error message tells me that its to do with the proxy so I have
tried adding the following to the Config.yaml but not luck:

- !localMatch
  dummy: true
- !ipMatch
  host: 0.0.0.0
  mask: 0.0.0.0

This should have allowed all local ip addresses and all hosts to access the
create.json in Howard:8080 but for some reason I still get the error
message.

However, on Firefox I get a slighly different behaviour. I dont get any
error message but I end up triggering a printexception with an error message
"Communication failure.

I'm stuck and out of ideas, can anyone help?

Here is the code:

var printProvider =  new GeoExt.data.PrintProvider({
              //method: "GET", // "POST" recommended for production use
              method: "POST", // "POST" recommended for production use

              //capabilities: g_printCapabilities,  // provide url instead
for lazy loading

              url: OpenLayers.ProxyHost +
"http://Howard:8080/geoserver/pdf/";,
              //url: "http://Howard:8080/geoserver/pdf/";,
              autoLoad: true,

              customParams: {
                mapTitle: "GeoExt Printing Demo",
                comment: "This demo shows how to use GeoExt.PrintMapPanel
with OSM"
              }
          });


var printPage = new GeoExt.data.PrintPage({
    printProvider: printProvider
});

var mapPanel = new GeoExt.MapPanel({
    title: "Map",
    region: "center",
    height: 400,
    width: 600,
    map: map,

    bbar: ["->", {
        text: "Print",
        handler: function() {
            // convenient way to fit the print page to the visible map area
            printPage.fit(mapPanel, true);

            printProvider.print(mapPanel, printPage);
        }
    }]
});

// create a panel and add the map panel and grid panel
// inside it
var mainPanel = new Ext.Panel({
    renderTo: "mainpanel",
    layout: "border",
    height: 800,
    width: 600,
    items: [mapPanel]
});

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