How do I change the Java version of my “installed project facet” in Eclipse?

Question

I just installed Eclipse 3.7 and the Google Plugin for Eclipse because I want to teach myself how to use Google App Engine.

When I create a new web application and run,

Answer 1

If you are using Eclipse IDE for Java EE Developers, you should have the Project Facets property section.

It is possible that your Eclipse 3.7 is the Eclipse IDE for Java Developers. In that case you need to add the ability to have facets by installing the EE goodies...

use the Help -> Install New Software... -> Work with: (choose Indigo) and then turn down "Web, XML, Java EE and OSGi Enterprise Development" and check Eclipse Java EE Developer Tools

Allowing Eclipse to be restarted should now add the Project Facets property section visibility.