"manik.surtani(a)jboss.com" wrote : Just an initial thought on your patch, but by not suspending any ongoing transactions and working on the workspace nodes directly means that this fix isn't portable across node locking schemes. In the pessimistic case this will still allow cache failures to cause your business transactions to roll back. Yes, I know. I was not interested in pessimistic locking when I wrote this patch. Please, correct me if I'm wrong, I think that we can just discard exceptions from put() method in pessimistic locking mode. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4086030#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...