I use STS(spring tool suite 3.7 ) and JAVA 6 to develop a web application , i also use primefaces 4.0 , msyql 5.3 and Jboss AS7 as a server, in my pc i developp the application and when it want to deploy it , i copy Joss 7 from my C: and i paste it in a second pc where i deploy my application , everything was working fine until the day that jboss stopped working , in the second pc altought it's working fine in my computer, and althought it's a coy from the first, in the attached file the stacktrace of the error