The Server Life Cycle
A server can cycle through a number
of different states during its lifetime. It is useful to know how and
when WebLogic transitions between these various states. You can
explicitly move WebLogic Server to a new state, using either the
Administration Console or the
Figure 13-6 illustrates the different states that a
server goes through during its lifetime.
Figure 13-6. Life cycle of WebLogic Server
Let’s take a closer look at the various states of the server’s life cycle:
A server that is not running is considered to be in the
shutdownstate. The only thing that you can do with such a server is to start it!
A server that has been started from the command line or by a Node Manager moves into the
startingmode. During this state, the server contacts the Administration Server, retrieves its configuration, starts all services, deploys all applications, and executes any startup classes.
If an administration port has been configured, the server is capable of moving into the
standbystate after it has started. Otherwise, the server moves directly from the
runningstate. In the
standbystate, all services are initialized and all applications are deployed. Except for the administration port, however, all ports are closed. Therefore, the server is effectively in hot standby and ready to go.
A server ...