have you read Ch. 23 Caching in Seam ref doc?
you should be able to use JBoss Cache with Tomcat b/c there is an article in My Link which discusses how to use JBoss Cache w/ Spring (which runs on Tomcat).
are you seeing exceptions or unexpected behavior?
I don't want to use JBoss Cache for now but just EhCache.
I don't see any exceptions, the application works as expected but doesn't utilize any caching at all.
In that case:
suitable for use in any containeraccording to Yuan book.
There is an example like this in the book for components.xml:
the recommended version of ehcache.jar is EHCache 1.2.3.
Tomcat Issues and Best Practices: My Link