"matt.drees" wrote : Thanks for answering! | 2. | Does Seam similarly ensure that application-scope pojos are not multi-threaded? The Seam reference manual, section "Concurrency model" in chapter "3: The conceptual component model" contains information about it. session scope: Seam serializes requests to Session scoped JavaBeans (POJOs) and Session Beans by default. application scope: serialization of requests is not the default behavior, although it could be enforced on any JavaBean or Session Bean component by adding the @Synchronized annotation View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4084395#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...