JVM and Java Settings

The JVM (Java Virtual Machine) and Java Settings page lets you specify a number of settings that enables ColdFusion to work with Java. To specify settings on this page, follow these steps:

 

  1. To access the JVM and Settings page, click Server>JVM and Java Settings.  The JVM and Java Settings page appears.

  2. In the JVM and Settings page, specify one or more of the following options:

 

Option

Description

Default

Java Virtual Machine Path.

In this text box, specify the location of the Java virtual machine (JVM).

JVM is installed in the ColdFusion directory structure.

Initial and Maximum Heap Size

The settings in the Initial and Maximum Heap size text boxes determine the memory range used by the JVM.

Inital: 1024K

Max: 16384K

Load JVM when starting ColdFusion

When enabled, the JVM is loaded automatically when ColdFusion starts up. When disabled, the JVM is loaded at the  first request that utilizes Java.

Enabled (checked)

Class Path

In this text box, specify the class-path for the JVM. Separate multiple directories with semi-colons (for Windows platforms) or colons (for UNIX platforms).

Blank

System Options

In this text box, specify any standard JVM initialization options as name-value pairs separated by space(s).

For example, java.lang.Compiler=NONE java.security.manager=java.rmi.RMISecurityManager

Blank

Implementation Options

In this text box, specify any implementation specific JVM initialization options separated by space(s).

For example, -verbose:gc -Xincgc

Blank

CFX Jar Path

In this text box, specify the location of the ColdFusion cfx.jar file which contains interfaces used by Java CFXs.

C:\Cfusion\java\classes

 

  1. To apply and save the JVM and Java settings, click Submit Changes.

 

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