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

An error occurred at line: -1 in the jsp file: null

Generated servlet error:
    [javac] Compiling 1 source file

D:\Tomcat 5.0\work\Catalina\localhost\news\org\apache\jsp\menu3\edit_jsp.java:162: handlePageException(java.lang.Exception) in javax.servlet.jsp.PageContext cannot be applied to (java.lang.Throwable)
        if (pageContext != null) pageContext.handlePageException(t);
                                            ^
1 error


    org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:127)
    org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:351)
    org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:415)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:458)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
    org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:552)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:291)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:856)



有许多我原来可以运行的页面也报这样的错了，都不知道原因在哪。重启了tomcat也不行，郁闷中