Which libraries are loaded ?

I have a JWS application, using the Java Advanced Imaging library (JAI). On the developing machine JAI 1.1 is installed in lib/ext of JDK 1.3.1.
Since a new version of JAI is out 1.1.1, I upgraded the webserver resources with this newer version and expected that the JWS application would use this one. Instead, the app continued to use the JAI library (1.1) installed in the local JDK. I expected that the library cached in the JWS cache would have the preference.
In such a situation, a user could download a JAI version not supported by the JWS application from Sun's web site, install it in a local JRE. Does this mean that afterwards this unsupported version is preferred over the cached version ? This way a user could unwillingly corrupt a JWS application.
Is there any way to force that the downloaded libraries in the JWS cache are used ? (I may even have applications, which use different version of a library).
Thanks in advance for comments ...
Thomas Guelden

I think the problems, I described does not exist, since I have installed now a different JAI version on the local JRE and the web start app now uses downloaded one.
I am sure that I observed the behaviour described in the original thread, but I cannot reproduce it. Sorry for inconvenience.
To answer your question:
In the case of Java Advanced Imaging (JAI), I load the native libraries using:
if (jws != null) {
System.out.println("Loading libraries ...");
System.out.println("Starting in JWS mode ...");
System.loadLibrary("mlib_jai");
System.loadLibrary("mlib_jai_mmx");
else {
System.out.println("Starting in normal mode ...");
Thomas Guelden

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