Erro JNLP

Ignored exception: ExitException[ 3]JNLPException[category: Erro do Arquivo de Acionamento : Exception: null : LaunchDesc: 
<jnlp href="">
  <information>
    <title></title>
    <vendor>manuel</vendor>
    <homepage href=""/>
    <description></description>
    <description kind="short"></description>
    <offline-allowed/>
  </information>
  <security>
    <all-permissions/>
  </security>
  <resources os="Windows">
    <property name="sun.java2d.noddraw" value="true"/>
    <nativelib href="jws/webview-natives-windows.jar"/>
  </resources>
  <resources>
    <j2se href="http://java.sun.com/products/autodl/j2se" version="1.6+"/>
    <property name="sun.java2d.noddraw" value="true"/>
    <jar href="" main="true"/>
    <jar href=""/>
    <jar download="lazy" href=""/>
    <extension download="lazy" name="jogl" href="start/jogl.jnlp"/>
 
  </resources>
  <applet-desc name="" main-class= width="800" height="600">
    <param name=" value="true"/>
  </applet-desc>
</jnlp> ]