To switch to J2SE 1.4.2

1. Download the J2SE 1.4.2 SDK (not the JRE) from and install it on your system, if you have not already done so.

   The J2SE 1.4.2 SDK can be downloaded from http://java.sun.com/j2se/1.4.2/

2. Stop the Application Server.

   From the command line:

   install_dir/bin/asadmin stop-domain

   From the Administration Console:

   1. Click the Application Server node.

   2. Click Stop Instance.

3. Edit the install_dir/config/asenv.conf file (asenv.bat on Windows), changing the value for AS_JAVA to point to the J2SE 1.4.2 home directory:

4. Edit the as-install/samples/common.properties file, changing the line beginning com.sun.aas.javaRoot... to reference the J2SE 1.4.2 home directory.

5. Restart the Application Server.

   From the command line:

   install_dir/bin/asadmin start-domain

   From the Administration Console:

   1. Click the Application Server node.

   2. Click Start Instance.