struts出错，实在找不出来
这个是什么错，我就是稍微改了配制文件一下，就出这个错，还原到以前，还是报这个错，帮忙解决一下，谢谢!
java.lang.VerifyError:   (class:   org/apache/jasper/xmlparser/TreeNode,   method:   toString   signature:   (Ljava/lang/StringBuffer;ILorg/apache/jasper/xmlparser/TreeNode;)V)   Illegal   target   of   jump   or   branch
at   org.apache.jasper.xmlparser.ParserUtils.convert(ParserUtils.java:149)
at   org.apache.jasper.xmlparser.ParserUtils.parseXMLDocument(ParserUtils.java:115)
at   org.apache.jasper.compiler.JspConfig.processWebDotXml(JspConfig.java:76)
at   org.apache.jasper.compiler.JspConfig.init(JspConfig.java:197)
at   org.apache.jasper.compiler.JspConfig.findJspProperty(JspConfig.java:249)
at   org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:103)
at   org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
at   org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
at   org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
at   org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:556)
at   org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:293)
at   org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
at   org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at   org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at   org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
at   org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
at   org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
at   org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
at   org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
at   org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
at   org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
at   org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at   javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at   com.bsj.util.HibernateFilter.doFilter(HibernateFilter.java:33)
at   org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at   org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at   org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at   org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at   org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at   org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at   org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
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