Screencast.jnlp file is generated, but it generates error opening the file

have the same problem Desktop screen when I use publisher / viewer, screencast.jnlp file is generated, but it generates error opening the file, what I do is. change the line spec='1.0+' <jnlp codebase='http://im.xxx.com.co:7070/inspired/video'> By the following spec='1.0+' <jnlp codebase='http://im.xxx.com.co:7070/redfire/screen'> and works by changing this line as I collaborate to fix this fix This file screencast.jnlp <?xml version='1.0' encoding='utf-8'?>
<jnlp spec='1.0+' codebase='http://im.xxx.com.co:7070/inspired/video'>      <information>           <title>Redfire ScreenShare</title>           <vendor>Dele Olajide</vendor>           <homepage>http://code.google.com/p/inspired</homepage>
          <description>Inspired ScreenShare Client Application</description>           <description kind='short'>An Java Webstart application that publishes desktop screen as RTMP video stream</description>           <offline-allowed/>      </information>
     <security>
          <all-permissions/>
     </security>     
     <resources>      <j2se version='1.4+'/>           <jar href='screenshare.jar'/>      </resources>      <application-desc main-class='org.redfire.screen.ScreenShare'>
          <argument>im.xxx.com.co</argument>
          <argument>xmpp</argument>
          <argument>1935</argument>
          <argument>mydesktop</argument>           <argument>flashsv2</argument>           <argument>15</argument>           <argument>1024</argument>           <argument>768</argument>      </application-desc> </jnlp> This is the file with the corrected line. <?xml version='1.0' encoding='utf-8'?>
<jnlp spec='1.0+' codebase='http://im.xxx.com.co:7070/redfire/screen'>
     <information>           <title>Redfire ScreenShare</title>           <vendor>Dele Olajide</vendor>           <homepage>http://code.google.com/p/inspired</homepage>
          <description>Inspired ScreenShare Client Application</description>           <description kind='short'>An Java Webstart application that publishes desktop screen as RTMP video stream</description>           <offline-allowed/>      </information>
     <security>
          <all-permissions/>
     </security>     
     <resources>      <j2se version='1.4+'/>           <jar href='screenshare.jar'/>      </resources>      <application-desc main-class='org.redfire.screen.ScreenShare'>
          <argument>im.xxx.com.co</argument>
          <argument>xmpp</argument>
          <argument>1935</argument>
          <argument>mydesktop</argument>           <argument>flashsv2</argument>           <argument>15</argument>           <argument>1024</argument>           <argument>768</argument>      </application-desc> </jnlp> Thank you for your help.