java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

Question

I included these in the Build Path:

• all Spring libs
• Apache Tomcat 7.0 library

The project still fails during startup:

Answer 1

Using the "Update project configuartion" messed up the build path of the project.

Fix: Open the "configure build path..." menu (right click on the project) and fix the Included/Excluded options for each source folder. That worked for me.