Google Plugin for Eclipse 3.4 (Ganymede) Installation Instructions

1. Start Eclipse, then select Help > Software Updates... In the dialog that appears, select the Available Software tab and then click Add Site....

2. Enter the following value for the Location field: http://dl.google.com/eclipse/plugin/3.4. Click OK.

3. Back in the Available Software view, you should see a new update site named Google Update Site for Eclipse 3.4. Select the checkbox next to the new update site. This will install the plugin, a Google App Engine Java SDK and a Google Web Toolkit SDK. Click Install...

    

   Note: Installing the SDKs is optional; you can always install them later on.

   If Eclipse spends a long time calculating requirements and dependencies, you may want to look at FAQ - Long installs.

   If you are having trouble installing from the update site, please see this FAQ entry.

    

4. Review the features that you are about to install. Click Next.

5. Read the license agreements and then select I accept the terms in the license agreements. Click Next.

6. You will then be asked be asked if you would like to restart Eclipse. Click Yes.

7. Now you are ready to build Google Web Toolkit and App Engine applications! If you encountered issues during the installation, please see the FAQ.

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http://blog.csdn.net/sahusoft/archive/2010/03/11/5365683.aspx