It first pops up an error saying 'cannot launch the application'
Then I click details and get this.
<?xml version="1.0" encoding="utf-8"?>
<!-- JNLP File for the Shapeways Application -->
<jnlp spec="1.5+" codebase="
https://www.shapeways.com/modules/udesign/ext/client/" href="
https://www.shapeways.com/modules/udesign/utils/openclient.ph p?model=2748&editor=1">
<information>
<title>Shapeways Editor</title>
<vendor>Yumetech, Inc.</vendor>
<homepage href="
https://www.shapeways.com"/>
<description>Shapeways Application</description>
<shortcut online="false">
<menu submenu="Yumetech Applications"/>
</shortcut>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.5+" java-vm-args="-Xmx512M -XX:MaxDirectMemorySize=256M -Dsun.java2d.noddraw=true" href="
https://java.sun.com/products/autodl/j2se" />
<jar href="lib/udesign_1.2.2.jar" />
<jar href="lib/aviatrix3d-all_2.0.0.jar" />
<jar href="lib/chefx3d_core_2.0.0.jar" />
<jar href="lib/j3d-org-all_0.9.0.jar" />
<jar href="lib/vecmath.jar" />
<jar href="lib/fastinfoset_1.2.2.jar" />
<jar href="lib/xj3d-norender_2.0.0.jar" />
<jar href="lib/xj3d-interchange-loader-av3d_2.0.0.jar" />
<jar href="lib/uri.jar" />
<jar href="lib/vlc_uri.jar" />
</resources>
<resources>
<extension name="jogl" href="
https://download.java.net/media/jogl/builds/archive/jsr-231-w ebstart-current/jogl.jnlp" />
</resources>
<application-desc main-class="udesign.UDesignViewer">
<argument>modelID=-3</argument>
<argument>sessionID=tmcg4osj3ber1k4sidgm1ml3p3</argument>
<argument>soapServer=
https://www.shapeways.com</argument>
<param name="backgroundColor" value="0.8 0.8 0.8 0.57 0.78 0.93"/>
</application-desc>
</jnlp>
Does that help?