Hello, I I try to install maven in the JBuilder 2006, I put mevenide-ui-jbuilder-0.2.jar in the JBuilder..\lib\ext folder. I have a Magnolia sources, which are written for maven and created a magnolia project in JBuilder. Then I added a project.xml to my JBuilder project and try to make my magnolia project. I have received an error - "Project Magnolia.jpxcannot be written : java.io.IOException". The same error I have received for any new creating project. When I remove jar I do not have any problems. so I assume that I have to do something else in order to use maven in JBuilder. Does anybody can help me?