Java WebStart does not launch at all.

Some one help me!!
I have spend one whole day trying to figue out whats going on.
I have a JNLP file like this
<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="1.0+" codebase="http://it-106/jws_ws" href="jws_basic.jnlp">
<information>
<title>Test Application</title>
<vendor>Test GmbH</vendor>
<homepage href="http://www.test.com"/>
     <description>Test Appliaction for Java Webstart</description>
     <icon href="images/cervision.jpg"/>
<offline-allowed/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.4+ 1.3+ 1.2+"/>
<jar href="jws_basic.jar"/>
</resources>
<application-desc main-class="JWSMain_Basic"/>
</jnlp>
Then when I start my application via webstart
it gives the following error
An error occurred while launching/running the application.
Category: Launch File Error
The following required field is missing from the launch file: <jnlp>
My application works perfectly well with
java -jar jws_basic.jar
Can some one help me whats going on.
Note, my mime type if set for jnlp
Thanks in advance
Guneshwar

Some of us are still stupid too....what did you do? :D

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