How to Change the JRE Used by Zend Studio for Eclipse

Applies To: 

[ Zend Studio for Eclipse 6.x ]
[ Windows, Linux ]

Overview

Zend Studio for Eclipse is supplied with the bundled Java Run-time Environment (JRE) version 1.5.0_11-b03. In some cases you may want to replace it with the newer JRE that is installed in your operating system. This article explains how to accomplish this task.

Note:

These instructions are not applicable to Mac OS X. Zend Studio uses the system's JRE by default in this operating system.

Instructions

1. Make sure that you have a JRE installed on your system. To check whether you have a JRE installed in your system, open your CLI and issue the command java -version. If a JRE is installed, you will see its version information:

C:\>java -version

java version "1.6.0_12"

Java(TM) SE Runtime Environment (build 1.6.0_12-b04)

Java HotSpot(TM) Client VM (build 11.2-b01, mixed mode)

If there is no JRE in your system, you will see a message about an invalid command. In this case, you can download the latest JRE from http://www.java.com.

2. Open the ZendStudio.ini file in your Zend Studio for Eclipse installation directory. By default, this file is located at:

Linux - /usr/local/Zend/ZendStudioforEclipse-6.X.X/ZendStudio.ini

Windows - C:\Program Files\Zend Studio for Eclipse - 6.X.X\ZendStudio.ini

3. Add the following lines to the start of the file:

; Run Zend Studio with system's JRE
-vm
<PathToJRE>
; ----------------------------------------

Replace <PathToJRE> with the location of the corresponding JRE .dll or .so file. For example:

Windows - C:\Program Files\Java\jre6\bin\client\jvm.dll

Linux - /usr/lib/jvm/java-1.6.0-sun-1.6.0/jre/lib/i386/client/libjvm.so

Full ZendStudio.ini contents example:

; Run Zend Studio with system's JRE
-vm
/usr/lib/jvm/java-1.6.0-sun-1.6.0/jre/lib/i386/client/libjvm.so
; ----------------------------------------
--launcher.XXMaxPermSize
256m
-startup
plugins/org.zend.php.startup_1.0.0.jar
-showlocation
-vmargs
-Dorg.eclipse.swt.browser.XULRunnerPath=/usr/local/Zend/ZendStudioForEclipse-6.1.0/plugins/org.mozilla.xulrunner.gtk.linux.x86_1.8.1.3-20070404/xulrunner
-Xms128M
-Xmx512M

Result

To verify that your installation of Zend Studio is using the JRE specified in ZendStudio.ini, perform the following steps:

1. Start Zend Studio for Eclipse.
2. Go to menu Help | About Zend Studio for Eclipse | Configuration Details.
3. Check that the selected JRE version is shown in the java.version parameter. For example:

java.version=1.6.0_12

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Excerpt: Zend Studio for Eclipse is supplied with the bundled JRE. This article explains how to replace it with a different JRE.

Original Post Date: 2009-04-13 19:16:16

Alternative Description:

Zend Studio for Eclipse is supplied with the bundled JRE. This article explains how to replace it with a different JRE.

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