Run it with 'nosamplecontent' option like(for author)java -server -XX:MaxPermSize=256m -Xmx1024M -jar aem-author-p7402.jar -r author, nosamplecontentor (for publish)java -server -XX:MaxPermSize=256m -Xmx1024M -jar aem-publish-p7402.jar -r publish, nosamplecontent