anonymous wrote : 14:33:32,599 INFO [WebappClassLoader] validateJarFile(C:\Program Files\jboss-4.0.5.GA\server\defaul | t\.\tmp\deploy\tmp59375iControlView-exp.war\WEB-INF\lib\javax.servlet.jar) - jar not loaded. See Ser | vlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class | 14:33:32,605 INFO [WebappClassLoader] validateJarFile(C:\Program Files\jboss-4.0.5.GA\server\defaul | t\.\tmp\deploy\tmp59375iControlView-exp.war\WEB-INF\lib\javax.servlet.jsp.jar) - jar not loaded. See | Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/jsp/JspPage.class | 14:33:32,613 INFO [WebappClassLoader] validateJarFile(C:\Program Files\jboss-4.0.5.GA\server\defaul | t\.\tmp\deploy\tmp59375iControlView-exp.war\WEB-INF\lib\jsp-api.jar) - jar not loaded. See Servlet S | pec 2.3, section 9.7.2. Offending class: javax/servlet/jsp/JspPage.class | 14:33:32,641 INFO [WebappClassLoader] validateJarFile(C:\Program Files\jboss-4.0.5.GA\server\defaul | t\.\tmp\deploy\tmp59375iControlView-exp.war\WEB-INF\lib\servlet-api-2.4.jar) - jar not loaded. See S | ervlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class 1) Remove the servlet/jsp related jar files from your application. Those jars already come as part of JBoss. 2) You have installed JBoss in anonymous wrote : C:\Program Files\jboss-4.0.5.GA I would suggest, you move it from this directory and install JBoss at a path which does not have a space in its path name (maybe C:\jboss-4.0.5.GA). There have been many issues, where you start seeing weird errors when you have Java programs installed in a path having a space in its name. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4072931#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...