User development, A new message was posted in the thread "CPU usage increases daily for JBoss PID, reaches to 100% after 10 days.": http://community.jboss.org/message/518946#518946 Author : Scott Marlow Profile : http://community.jboss.org/people/smarlow@redhat.com Message: -------------------------------------------------------------- Looking at the thread dump, that is still the mostly likely cause (whether the hashmap is shared between threads or not).   If you have a support contract with Red Hat, give us a call.  If not, get one soon (help Red Hat to better help you . -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/518946#518946