关于EL表达式中的错误，

HTTP Status 500 – Internal Server Error
Type Exception Report

Message

Validation error messages from TagLibraryValidator for [c] in [/WEB-INF/jsp/officeMainPage.jsp]

529: Illegal text inside “c:choose” tag: “<!-- 进入…”.

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException:

Validation error messages from TagLibraryValidator for [c] in [/WEB-INF/jsp/officeMainPage.jsp]

529: Illegal text inside “c:choose” tag: “<!-- 进入…”.

org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:55)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:294)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:81)
org.apache.jasper.compiler.Validator.validateXmlView(Validator.java:1916)
org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1862)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:224)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:385)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:362)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:346)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:603)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:383)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1271)
org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1037)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:531)
org.apache.jsp.index_jsp._jspService(index_jsp.java:119)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:458)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)

我出现这种错误的原因是因为：在<c:choose>标签中加入了注释，而这些被c标签鉴定为非法字符报错，去掉就好了