My experiences around https://issues.sonatype.org/browse/MNGECLIPSE-599

Download and Install

You can install Maven Integration for Eclipse WTP Ext by using the following update site from within Eclipse: http://m2eclipse-wtp-ext.googlecode.com/svn/trunk/org.maven.ide.eclipse.wtp.ext.update/

Demo

http://printstacktrace.org/blog/?p=60