Plugin downloaded every time even if already installed
Hello!
I experience a strange behaviour with the java plugin. I have the following html file:
<HTML>
<BODY>
<OBJECT CODEBASE="http://192.168.111.5/jre-install/j2re-1_4_1_02-windows-i586-i.exe#Version=1,4,1,2" CLASSID="clsid:5852F5ED-8BF4-11D4-A245-0080C6F74284>" HEIGHT=0 WIDTH=0>
<PARAM NAME="app" VALUE="http://192.168.111.5/jws.jnlp">
<PARAM NAME="back" VALUE="false">
</OBJECT>
</BODY>
</HTML>
So I want the Java runtime downloaded and installed before I start my application via JavaWebStart. Everything works: The first time the client downloads the java runtime and the application also starts with no problem. So far so good.
The problem is: when the client accesses this html file the second time, it downloads the java runtime again. Only when the installation begins it realizes that the runtime has been installed before and asks if the user wants to deinstall the current version (which is absolutely the same of course as the downloaded one). When the user says 'cancel' the installation process is canceled and the application again starts normally. This happens every time the user accesses the html file again.
How can I avoid that the runtime is first downloaded every time the client accesses the html page?
Thank you very much!
Matthias
This happens to me only if I try to tweak the version of the Java Plugin to be downloaded from the <OBJECT> tag. For example, I had an HTML page that used <APPLET> instead of <OBJECT>, so I used HTMLConverted with my Java 1.3.1_02 SDK, and it created the CLSID for 1.3.1_02. Then, I went and changed the <OBJECT> tag to have 1.3.1_04 downloaded instead, and that cause the applet to ask the JVM to get installed every single time. Once I changed the <OBJECT> tag back to 1.3.1_02, the applet downloaded the JVM once and that was it. It ran fine the following times.
Hope this helps.
-G
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