"dmindupto" wrote : | Sometimes, we noticed that 2 threads are locked (see the following thread dump): | This can be normal , all I wanted to know is if this locking continues for longer time . You should analyze the set of thread dumps(4 to 5) after the fixed intervals of 10-15 minutes , this will let you know if this is leading to deadlock which should be the point of concern . If this leads to deadlock you might need to get help from the oracle support . View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4102075#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...