Used software:

• Eclipse IDE for Java EE Developers (http://www.eclipse.org/downloads/packages/eclipse-ide-java-ee-developers/galileosr2)
• m2eclipse 0.10.0.20100209-0800 (http://m2eclipse.sonatype.org/sites/m2e)
• JBoss Maven Integration 1.0.0.v201003050540R-H56-GA (http://download.jboss.org/jbosstools/updates/stable/galileo/)
• JBoss Maven Seam Integration 1.0.0.v201003050540R-H56-GA (http://download.jboss.org/jbosstools/updates/stable/galileo/)

Steps to reproduce:

1. Import the seamIntegration project from http://anonsvn.jboss.org/repos/richfaces/tags/3.3.3.Final/samples/seamIntegration/:

File
-> New
-> Other...
-> Checkout Maven Projects from SCM
-> Next
-> SCM URL: svn, http://anonsvn.jboss.org/repos/richfaces/tags/3.3.3.Final/samples/seamIntegration/
-> Finish

2. Compare the imported web.xml with the original one: http://anonsvn.jboss.org/repos/richfaces/tags/3.3.3.Final/samples/seamIntegration/src/main/webapp/WEB-INF/web.xml.

3. Problem: The file is completely rewritten. All comments are lost.