[Geoserver-users] Unable to render ExternalGraphics in Geoserver 2.24.0?

[Emma Flukes]

We've recently upgraded from Geoserver 2.21.0 and our previous styles that used 
ExternalGraphics with absolute (not relative) URLs are now failing and 
rendering grey boxes.

Here is a simple sld that drew the legend and rendered in wms fine, but no 
longer works in 2.24.0. Is this a known issue with this Geoserver version, or 
has something changed in the sld requirements between versions 2.21.0 and 
2.24.0?


<?xml version="1.0" encoding="ISO-8859-1"?>
<StyledLayerDescriptor version="1.0.0"
    xsi:schemaLocation="http://www.opengis.net/sld StyledLayerDescriptor.xsd"
    xmlns="http://www.opengis.net/sld";
    xmlns:ogc="http://www.opengis.net/ogc";
    xmlns:xlink="http://www.w3.org/1999/xlink";
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";>

  <NamedLayer>
    <Name>BRUV highlight images</Name>
    <UserStyle>
      <FeatureTypeStyle>
        <Rule>
          <Title>Media observation</Title>
          <PointSymbolizer>
                   <Graphic>
                   <ExternalGraphic>
                              <OnlineResource xlink:type="simple" 
xlink:href="https://geoserver.imas.utas.edu.au/geoserver/styles/camera_video_play_red.svg";
 />
                              <Format>image/svg+xml</Format>
                   </ExternalGraphic>
                        <Size>10</Size>
                   </Graphic>
          </PointSymbolizer>
        </Rule>            
        </FeatureTypeStyle>
    </UserStyle>
  </NamedLayer>
</StyledLayerDescriptor>


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