JRun: Installing JRun 2.3.3 and JRun 3.x on the Same Computer
There are times when you may want to run JRun Server versions 2.3.3 and 3.x on the same computer -- for migration purposes, or to test an application in both versions. This article explains how to configure each version to allow them to coexist and run simultaneously on the same machine.
JRun: Installing JRun 2.3.3 and JRun 3.x on the Same Computer