JNLP auto-download problem

Hello everyone
I have an app for which JRE should come from my server. I have created a servlet to handle my jnlp files (mapped as *.xjnlp) and two file for the application and runtime installer respectively.
Here is an excerpt from the main launch.xjlp
<resources>
     <j2se version="WASJRE" href="../JREDownload.xjnlp"/>
</resources>and here is what I have got in JREDownload.xjnlp
<resources>
     <j2se version="1.5+"/>
     <jar href="lib/WebSphereClientRuntimeInstaller.jar" main="true"/>
     
     <property name="com.ibm.websphere.client.jre.version" value="WASJRE"/>
</resources>From what I see it looks like JWS does not even try to access the JREDownload.xjnlp in order to download the WAS Client runtime jar. So I keep getting -
The application has requested a version of the JRE that currently is not locally installed. Java Web Start is unable to automatically download and install the requested version.
Anyone had any experience with this? Any idea is much appreciated
thanks

Thanks Andrew,
I guess I should have provided more details. What I did was based on the documentation and samples from IBM which requires installing IBM specific JRE in order to run a J2EE client from JWS and provides its own client runtime installer.
Here are my xjnlp files in more details
launch.xjnlp
1. <jnlp spec="1.0+" codebase="$$codebase">
2.   <security>
3.    <all-permissions/>
4.   </security>
5.   <resources>
6.      <j2se version="1.6" href="../JREDownload.xjnlp"/>
7.             <jar href="../lib/WebSphereClientLauncher.jar"/>
8.             <jar href="../lib/properties.jar"/>
9.      <jar href="SwingCalculator.ear"/>
10.                 <property name="com.ibm.websphere.client.launcher.ear" value="SwingCalculator.ear"/>
11.   </resources>
12.   <application-desc main-class="com.ibm.websphere.client.launcher.ClientLauncher">
13.      <argument>-CCtrace=yes -CCproviderURL=corbaloc:iiop:xuyvam:2810</argument>
14.   </application-desc>
15. </jnlp>JREDownload.xjnlp
1. <jnlp spec="1.0+" codebase="$$codebase">
2.   <security>
3.      <all-permissions/>
4.   </security>
5.   <resources>
6.      <j2se version="1.5+"/>
7.      <jar href="lib/WebSphereClientRuntimeInstaller.jar" main="true"/>
8.      
9.      <property name="com.ibm.websphere.client.jre.version" value="1.6"/>
10.   </resources>
11.   <resources os="Windows">
12.      <jar href="AppClient70_Windows.jar"/>
13.   </resources>
14.   <installer-desc main-class="com.ibm.websphere.client.installer.ClientRuntimeInstaller"/>
15. </jnlp>launch.xjnlp is the one that gets initially requested. At line 6 it requests specific JRE and hrefs to it by pointing to JREDownload.xjnlp. Now, JREDownload is responsible for downloading, installing and registering the IBM's JRE. On line 14 we have <installer-desc> which points to the main class found in the WebSphereClientRuntimeInstaller.jar referenced at line 7. Once installed, this JRE is registered with JWS at line 9.
Note that both xjnlp files are processed by a servlet which basically gets the files, replaces the variables, sets the mime type to jnlp and outputs back into the stream.
Thanks a lot
Aram

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