Finding out which JVM you are using

Knowing which JVM you are using is a prerequisite to be able to pick one that might perform better.

Getting ready

You need to have installed WebLogic and the SOA Suite for this, and have access to the startWebLogic script.

How to do it…

To find out which JVM you are using, perform the following steps:

1. Navigate to the domain home directory.

2. Execute the startWebLogic script for the operating system you are using. This will be startWebLogic.sh on Linux/Unix environments, and startWebLogic.cmd on Microsoft Windows environments.

3. Look at the first few lines of the output from the script to see the JVM vendor and version:

   

How it works…

The startWebLogic script executes the command java –version before starting the server, which prints out the JVM version and vendor. There are two JVMs that ship with Oracle SOA Suite 11g. HotSpot is the JVM originally developed by Sun Microsystems, and the descendent of the original Sun JVM. Oracle acquired this JVM with the purchase of...