JSP 解决illegal to have multiple occurrences of contentType with different values错误
2016-10-14 12:36
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JSP 解决illegal to have multiple occurrences of contentType with different values错误 在一个项目jsp文件中包含了另一个jsp文件(proCitySelAll.jsp),执行出现如下错误: 2012-5-14 16:37:04 org.apache.catalina.core.ApplicationDispatcher invoke 严重: Servlet.service() for servlet jsp threw exception org.apache.jasper.JasperException: /lightworkflow/sheet/depponOrder/proCitySelAll.jsp(1,2) Page directive: illegal to have multiple occurrences of contentType with different values (old: text/html; charset=UTF-8, new: text/html; charset=utf-8) at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.Java:40) at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407) at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:236) at org.apache.jasper.compiler.Validator$DirectiveVisitor.visit(Validator.java:132) at org.apache.jasper.compiler.Node$PageDirective.accept(Node.java:608) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2411) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2417) at org.apache.jasper.compiler.Node$Root.accept(Node.java:495) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2411) at org.apache.jasper.compiler.Validator$DirectiveVisitor.visit(Validator.java:99) at org.apache.jasper.compiler.Node$IncludeDirective.accept(Node.java:656) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2411) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2417) at org.apache.jasper.compiler.Node$Root.accept(Node.java:495) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361) at org.apache.jasper.compiler.Validator.validateDirectives(Validator.java:1723) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:182) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:347) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:327) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:314) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:326) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302) 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:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.hollycrm.service.system.web.PageCacheFilter.doFilter(PageCacheFilter.java:50) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.hollycrm.service.license.LicenseFilter.doFilter(LicenseFilter.java:47) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.hollycrm.service.system.security.web.filter.LoginUserInfoFilter.doFilter(LoginUserInfoFilter.java:167) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.hollycrm.framework.web.filter.RequestEncodeFilter.doFilter(RequestEncodeFilter.java:46) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.hollycrm.service.system.web.PageCacheFilter.doFilter(PageCacheFilter.java:50) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.NET.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:619) proCitySelAll.jsp 代码是没有错的,因为在其它页面调用没有出错过。那么是主文件出错了,看了一下刚写的页面全是静态内容,没什么的? 仔细阅读错误信息: Page directive: illegal to have multiple occurrences of contentType with different values (old: text/html; charset=utf-8,new: text/html;charset=utf-8) 原来是包含页面与被包含页面的@page指令里面的contentType不一致,仔细检查两个文件第一行的 @page, 包含页面的是: <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> 被包含页面: <%@ page language="java" contentType="text/html;charset=utf-8" pageEncoding="utf-8"%> 果然contentType="text/html;和charset=utf-8"之间多了一个空格,把两个文件第一行的@page内容改为一致,再执行程序,运行通过。 总结:被包含页面和包含页面必须都加上@page 头内容这个asp正好相反的,而且值要一致 如果你是 <%@ include file="/WEB-INF/jsp/common/head.jsp"%> 那么改为<jsp:include page="/WEB-INF/jsp/common/head.jsp" > 如果你是<jsp:include page="/WEB-INF/jsp/common/head.jsp" > 那么改为<%@ include file="/WEB-INF/jsp/common/head.jsp"%>
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