For example i would like update the component Weld (JSR-299 Reference Implementation) on Glassfish 3 but i don't know if it's possible without problem and if is sufficient download the RI and put it on Glassfish.
But when i see on Glassfish3
./glassfishv3/glassfish/modules:
weld-integration.jar
weld-osgi-bundle.jar
If i see the package Weld these modules aren't present (there are other modules).
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