Re: Third party library locations -- JAVA400-L

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Joe Pluta wrote:

AIEEEEEEEEEEEE! You're bringing back repressed memories of Xerces incompatibilities. Many a sleepless night was due to trying to get two packages working when they required incompatible versions of Xerces.

Sorry ... sorry ... go back to your happy place. Maui No Ka 'Oi. Maui No Ka 'Oi.

Given the fact that gigabytes are no longer uncommon for applications, I definitely favor including all my required libraries in the deployment unit (EAR or WAR). Then the only issue is making sure that the end user doesn't deploy them on an app server with a different version of your libraries. At that point you're talking about class loading sequences and custom classloaders and my eyes start to glaze over...

I'm not 100% sure about this ... but isn't there a way to configure (or write) a class loader so that you can isolate classes?

I seem to recall that Eclipse's plug-in mechanism has some ability to keep jar's that are included in one plug-in from conflicting with the jar's of another plug-in.

david

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