It's currently impossible to remove objects from the mock session. MockHttpSession.java line 94 | public void setAttribute(String att, Object value) | { | if (value==null) | { | attributes.remove(value); | } | should be | public void setAttribute(String att, Object value) | { | if (value==null) | { | attributes.remove(att); | } | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4070932#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...