In the previous chapter (i2b2 Server-Common Install) we intentionally did not restart JBoss.

If you did restart JBoss then you need to proceed with this step.
If you did not restart JBoss then you can skip this step.
If you are not sure if JBoss is running then we suggest you proceed with this step in the event that it may be running.

Stop JBoss

In order to deploy the PM cell correctly on your i2b2 server it is important that JBoss is not running.