Hi, I just installed the enterprise war version of xwiki 1.2 rc3 on a SUSE Linux Enterprise Server (SLES) version 9 in a Tomcat container. When i start Tomcat the log says 2008-01-16 15:51:24 StandardContext[/xwiki]Loading plexus context properties from: '/WEB-INF/plexus.properties' 2008-01-16 15:51:24 StandardContext[/xwiki]Initializing Plexus. 2008-01-16 15:51:24 StandardContext[/xwiki]resource = jndi:/localhost/xwiki/WEB-INF/plexus.xml 2008-01-16 15:51:25 StandardContext[/xwiki]Plexus initialized. And everything looks good. But when I access the xwiki application in a browser I get the following error: javax.servlet.ServletException: Servlet execution threw an exception com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:117) root cause java.lang.UnsupportedClassVersionError: org/exoplatform/container/PortalContainer (Unsupported major.minor version 49.0) java.lang.ClassLoader.defineClass0(Native Method) java.lang.ClassLoader.defineClass(ClassLoader.java:539) java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123) org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1677) org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:900) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1350) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1230) java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302) com.xpn.xwiki.web.Utils.prepareContext(Utils.java:231) com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:87) org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) javax.servlet.http.HttpServlet.service(HttpServlet.java:743) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:117) note The full stack trace of the root cause is available in the Tomcat logs. What exactly does this mean and how do I correct it? Cheers /Thorbjørn -- W: http://kodefabrikken.dk If you failing to plan, then you´re planning to fail.