运行程序出现下面错误：
HTTP Status 500 -
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type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.VerifyError: (class: org/apache/jasper/compiler/JspUtil, method: <clinit> signature: ()V) Incompatible argument to function
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:275)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:164)
org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
com.jking.itf2b.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:76)
------解决方案--------------------------------------------------------
把 /tomcat6/webapps/applicationname/WEB-INF/lib下面RAR和/tomcat6/lib重复的删除．一切ＯＫ