tomcat5.5.20的问题？

我现将报错日志贴出来，，请大家帮忙！！
谢谢！！

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

Generated servlet error:
SANITY CHECK: Invalid attribute for local variable hmui


        org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:512)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

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

Generated servlet error:
SANITY CHECK: Invalid attribute for local variable hmui


        org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
        org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:32
        org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:414)
        org.apache.jasper.compiler.Compiler.compile(Compiler.java:297)
        org.apache.jasper.compiler.Compiler.compile(Compiler.java:276)
        org.apache.jasper.compiler.Compiler.compile(Compiler.java:264)
        org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:305)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs.