[jboss-user] [JBoss Seam] - java.lang.NoClassDefFoundError: javax/el/ELContext

I'm getting a java.lang.NoClassDefFoundError: javax/el/ELContext error when JBoss is launching and trying to deploy a war file .Part of the stack trace is : anonymous wrote : | 14:50:55,615 ERROR [[/shoppingcart]] Exception sending context initialized event to listener instance of class org.jboss.seam.servlet.SeamListener | java.lang.RuntimeException: Could not create Component: org.jboss.seam.core.expressions | at org.jboss.seam.init.Initialization.addComponent(Initialization.java:908) | at org.jboss.seam.init.Initialization.installComponents(Initialization.java:839) | at org.jboss.seam.init.Initialization.init(Initialization.java:506) | at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:34) | at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3763) | at org.apache.catalina.core.StandardContext.start(StandardContext.java:4211) | at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759) | at org.apache.catalina.core.Contai | and : anonymous wrote : at java.lang.Thread.run(Unknown Source) | Caused by: java.lang.NoClassDefFoundError: javax/el/ELContext | at java.lang.Class.getDeclaredMethods0(Native Method) | at java.lang.Class.privateGetDeclaredMethods(Unknown Source) | at java.lang.Class.getDeclaredMethods(Unknown Source) | at org.jboss.seam.Component.initMembers(Component.java:492) | at org.jboss.seam.Component.(Component.java:247) | at org.jboss.seam.Component.(Component.java:207) | 14:50:55,631 ERROR [StandardContext] Error listenerStart | 14:50:55,631 ERROR [StandardContext] Context [/shoppingcart] startup failed due to previous errors | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4061697#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...