Are these articles still relevant for building jars and ears on
WebSphere?

J2EE Class Loading Demystified
http://www.ibm.com/developerworks/we...er/deboer.html

Handling Static Content in WAS
http://www.ibm.com/developerworks/we...wn.html#N1013A

Designing and Coding Applications for Performance and Scalability in
WebSphere Application Server
http://www.redbooks.ibm.com/redbooks/pdfs/sg247497.pdf

WebSphere Application Server V6 Scalability and Performance Handbook
(Chapters 16 and 17)
http://www.redbooks.ibm.com/abstract...6392.html?Open

WebSphere Performance Guides
http://www-01.ibm.com/software/webse...AGX10&S_CMP=LP