Have you ever discovered that you no longer have the EAR file for the specific version of an Enterprise Application which is deployed on one of your systems?
It turns out WebSphere keeps a copy around that can be retrieved and re-deployed elsewhere. For the Network Deployment edition of WAS v6.1, you can find a deployed EAR file in:
(Note the ear name twice, first as a directory, then as a file.)
DougBreaux 0100002GMN Visits (2407)
An oldie, but still useful from time to time.
Ever wonder which Jar or directory contains a class you're using in your JEE Web Application? Or which of multiple provider Jar files is the one being used? Or even whether or not a particular class is found at all?
No need to actually include it in your Web App permanently, but easy to deploy manually if you ever need it.