Hi Folks, We have developed an webapplication and we deployed in JBoss4.0.1sp1 application is running fine. One week back we downloaded JBoss5.1.0GA and we deployed the same application in JBoss5.1.0GA, but we are getting this eaception "org.apache.jasper.JasperException: Unable to compile class for JSP: " please find the exception details below ==================================================================================================== HTTP Status 500 - -------------------------------------------------------------------------------- type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 56 in the generated java file The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory An error occurred at line: 17 in the jsp file: /pages/configset/createconfigset.jsp The method setJspId(String) is undefined for the type ViewTag 14: <%@page import="com.cisco.wo.configui.beans.backing.configset.CreateConfigSetBackingBean"%> 15: <%@page import="com.cisco.wo.configui.utils.ConfigUIConst"%> 16: 17: <f:view> 18: 19: 20: <% An error occurred at line: 45 in the jsp file: /pages/configset/createconfigset.jsp The method setJspId(String) is undefined for the type SubviewTag 42: 43: <!-- Start header --> 44: 45: <f:subview id="configsetHeader"> 46: <c:import url="configsetheader.jsp" /> 47: </f:subview> 48: An error occurred at line: 45 in the jsp file: /pages/configset/createconfigset.jsp The method setBodyContent(BodyContent) is undefined for the type SubviewTag 42: 43: <!-- Start header --> 44: 45: <f:subview id="configsetHeader"> 46: <c:import url="configsetheader.jsp" /> 47: </f:subview> 48: An error occurred at line: 45 in the jsp file: /pages/configset/createconfigset.jsp The method doInitBody() is undefined for the type SubviewTag 42: 43: <!-- Start header --> 44: 45: <f:subview id="configsetHeader"> 46: <c:import url="configsetheader.jsp" /> 47: </f:subview> 48: View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4254431#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...