title: Creating Spring MVC app
body: <p>I am using Eclipse Kepler, and i have installed Spring IDE and STS but when i created Spring MVC Template project i have got errors, then i went to Maven Update options but i have got error. I don't know why. Please, help!</p>
  
  <p>Errors:
  Error during build of project [firstSpring]
  Errors occurred during the build.
  Errors running builder 'Faceted Project Validation Builder' on project 'firstSpring'.
  Could not initialize class org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants
  Errors running builder 'Validation' on project 'firstSpring'.
  org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants</p>
  
  <p>An internal error occurred during: "J2EE Component Mapping Update".
  org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants</p>