SUN Application Server SUN JAVA SYSTEM APPLICATION SERVER PLATFORM EDITION 8__JAVA

 start the   Application Server:
asadmin start-domain   domain1

on Windows, you can choose
Programs→Sun Microsystems→J2EE 1.4 SDK→Start Default Server

stop the Application Server:
asadmin stop-domain domain1

on Windows, choose
Programs→Sun Microsystems→J2EE 1.4 SDK→Stop Default Server


Starting the Admin Console：
http://localhost:4848/asadmin/

Starting the deploytool Utility：
deploytool
 
Starting and Stopping the Derby Database Server：
asadmin start-database

asadmin stop-database

logs:
<J2EE_HOME>/domains/domain1/logs/server.log
<j2ee.home>/derby/db.log

 Admin Console log viewer. To use the log viewer:
1. Select the Application Server node.
2. Select the Logging tab.
3. Click the Open Log Viewer button. The log viewer will open and display
   the last 40 entries.

Using a Debugger
The Application Server supports the Java Platform Debugger Architecture
(JPDA). With JPDA, you can configure the Application Server to communicate
debugging information via a socket. In order to debug an application using a
debugger:
    1. Enable debugging in the Application Server using the Admin Console as
       follows:
       a. Select the Application Server node.
       b. Select the JVM Settings tab. The default debug options are set to:
       -Xdebug -Xrunjdwp:transport=dt_socket,server=y,
           suspend=n,address=1044
       As you can see, the default debugger socket port is 1044. You can change
       it to a port not in use by the Application Server or another service.
       c. Check the Enabled box of the Debug field.
       d. Click the Save button.
    2. Stop the Application Server and then restart it.
    3. Compile your Java source with the -g flag.
    4. Package and deploy your application.
    5. Start a debugger and connect to the debugger socket at the port you set
       when you enabled debugging.