Running embedded Weblogic with JRockit

Go to JDeveloper's System Directory, DefaultDomain, bin

Edit setDomainEnv.cmd with:

Right after the initial comments add
set JAVA_VENDOR=Oracle

Replace the line:
set BEA_JAVA_HOME
with 
set BEA_JAVA_HOME=C:\JRockit\Java\jrockit-jdk1.6.0_20-R28.1.0-4.0.1
where BEA_JAVA_HOME is where the JRockit is installed.

Optionally, print java version to make sure you set it right.
echo java_home = %java_home%
%java_home%\bin\java.exe -version

 

The result is