Upgrading the JRE used by ColdFusion

Question

I have a ColdFusion 8.1 application. It gets heavy use and I see jrun.exe getting very high memory usage in the task manager. This is a 32-bit windows 2003 server. When Jrun

Answer 1

it's EXTREMELY easy to do.

1) download the Java SE Development Kit and install it like normal.

2) open up the jmv.config for cf in a text editor, located in c:\coldfusion8\runtime\bin

3) comment out the existing java.home line with a by putting a "#" at the beginning of the line add a new java.home line below it pointing to your jvm installation.

As an example, my java.home and jvm.config look like this: java.home=C:/Program Files/Java/jdk1.6.0_11/jre

4) restart the CF services.

As a bonus, you can running JavaRa and free up some space by deleting all the old versions of the JRE.