Problem in deploying JSF in JBoss 4.0.0

I am getting the following error while deploying the JSF application in JBOSS 4.0.0, I have followed all the steps , Please help me.

Originally posted by Abhijit Das:
I am getting the following error while deploying the JSF application in JBOSS 4.0.0, I have followed all the steps , Please help me.

org.apache.jasper.JasperException: Unable to compile class for JSP An error occurred at line: 5 in the jsp file: /Demo.jsp Generated servlet error: E:\JBOSS\jboss-4.0.0\server\default\work\jboss.web\localhost\abhi\org\apache\jsp\Demo_jsp.java:83: cannot access com.sun.faces.taglib.jsf_core.ViewTag An error occurred at line: 5 in the jsp file: /Demo.jsp Generated servlet error: bad class file: E:\JBOSS\jboss-4.0.0\server\default\deploy\abhi.war\WEB-INF\lib\jsf-impl.jar(com/sun/faces/taglib/jsf_core/ViewTag.class) class file has wrong version 49.0, should be 48.0 Please remove or make sure it appears in the correct subdirectory of the classpath. com.sun.faces.taglib.jsf_core.ViewTag _jspx_th_f_view_0 = (com.sun.faces.taglib.jsf_core.ViewTag) _jspx_tagPool_f_view.get(com.sun.faces.taglib.jsf_core.ViewTag.class);

What version of Mojarra are you using, and on what version of the JVM are you running this? If you're using Mojarra 1.2_*, you have to use Java 5 or greater. From the hip, it looks like you might be using Mojarra 1.2 and JDK 1.4 or lesser...

hi
Lee, I am not getting
What version of Mojarra are you using, and on what version of the JVM are you running this? If you're using Mojarra 1.2_*, you have to use Java 5 or greater. From the hip, it looks like you might be using Mojarra 1.2 and JDK 1.4 or lesser...
I am using JBoss 4.0, JDK 1.5.x,