Fixing missing Jar files from WEB-INF/lib when you import a web project into Eclipse

If you import an existing web project into Eclipse you may see various errors reporting missing libraries in the WEB-INF/lib directory. 

The simplest way to fix the issue is to just right-click on one of the errors and select the Quick Fix option:

Quick fix -> Synchronize <WAR>/WEB-INF/lib with SDK libraries

This will copy the jar files into WEB-INF/lib.