# FAQ

- How can I get help fast?
- How can I diagnose class loading problems?
- What's a uses constraint and what can I do if one is violated?
- How can I import a package into someone else's bundle without hacking the manifest?
- What support does Virgo have for thread context class loaders?
- Are Virgo bundles published to a Maven Repo anywhere.
- How can I get a graphical application to work in Virgo?
- How can I change the version of Spring framework in the user region?
- How can I programmatically deploy applications to Virgo?
- My Web Application Bundle stopped working when I moved to Virgo 3.x. What happened?
- Should I put Spring XML files in <tt"META-INF/spring</tt" or <tt"WEB-INF</tt"?
- Why is there both a config and a configuration directory?
- Why is my required bundle with version x.y.z. not resolved?
- What's the difference between Virgo Server for Apache Tomcat and Virgo Jetty Server?
- What's the difference between Virgo Server for Apache Tomcat and Virgo Nano Web?
- What's the difference between Virgo Server for Apache Tomcat and Virgo Tomcat Server?
- What version of the Servlet Specification is supported by Virgo?
- Updating This Document