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Learn how to work with multiple versions of WebObjects.

Create New Directory Structure

The first thing we need to do is to create a new directory structure to allow for multiple versions of WebObjects to be installed in. This new directory structure basically creates a new root level that WOLips will look in for all frameworks used by a given project or workspace. This directory structure can be anything you wish. For demonstration purposes, I'm going to create it under the Developer directory.

Create: /Developer/WebObjects/Versions/

Download WOInstaller.jar

We now need to download the WOInstaller.jar file from and save it into the Versions directory we just created.

Use WOInstaller.jar to download WebObjects

Open and run one of the following commands:

sudo java -jar /Developer/WebObjects/Versions/WOInstaller.jar 5.3.3 /Developer/WebObjects/Versions/WebObjects533
sudo java -jar /Developer/WebObjects/Versions/WOInstaller.jar 5.4.3 /Developer/WebObjects/Versions/WebObjects543

Depending upon which version of WO you would like to download.

Installed Versions

When the script is done downloading you're directory should look something like this.

Open Eclipse / WOLips

You need to launch Eclipse and WOLips at least once so that it will create the default file in ~/Library/Application Support/WOLips/. If you've already been using WOlips, you can skip this step.

Copy the default file

Select the file and make a copy of it. Then rename the copy to be In reality, you can rename it however you'd like, for example:,, but I find that putting the version number in the middle will keep all the different versions together, and will not mess with the extension mapping.

Modify your new file to point to your newly downloaded version of WebObjects

The following properties will need to be updated to point to your new WebObjects installation directory:


Set the Eclipse Workspace to use the newly Installed Version of WebObjects

To tell the Eclipse/WOLips incremental builder where to find the version of WebObjects you want to use, you need to give it the name of the modified file. You do this by going Under the Eclipse menu, selecting Preferences, then selecting the "WOLips" tab at the right, expand it and finally selecting "Build". Enter in the file name of the file that you just modified.

OPTIONAL - Setup Eclipse's Ant Builder to use the newly Installed Version of WebObjects

Currently, the Eclipse Ant builder is not controlled by the "WOLips -> Build" setting in Eclipse's Preferences. You need to explicitly tell it to use your modified file. In your project, open the file in your project and add the fully-qualified path to your customized file.

If you don't build your application for deployment from within Eclipse, then you don't need to follow this step, but you will need to somehow tell your build system where to find the WebObjects frameworks.

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