org.apache.jasper.JasperException: Unable to compile class for JSP

An error occurred at line: 3 in the jsp file: /internet/login.jsp
Generated servlet error:
C:\primeton\jboss-3.2.5\server\default\work\jboss.web\localhost\_\org\apache\jsp\internet\login_jsp.java:111: cannot resolve symbol
symbol  : variable EOSWebUtil 
location: class org.apache.jsp.internet.login_jsp
String msg = EOSWebUtil.getStringInRequestDom(request,"show/info");
             ^
1 error



	org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
	org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)
	org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:412)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:810)