org.apache.jasper.JasperException: Unable to compile class for JSP: (无法编译jsp)
2013-01-16 15:11
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郁闷啊。。今天在做一个小练习的时候,遇到
这样的错误。遂慌张起来,于是乎,上网查资料,未能解决。QQ群里问高手,仍是没解决。后仔细斟酌:晕,仅仅一个字母之错。下面是我的dologin.jsp代码,很简单:
只因把userName写成了username。一个大写一个小写。就这,报了一个这错。。。现已解决。
org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 9 in the jsp file: /dologin.jsp username cannot be resolved 6: //鑾峰彇瀵嗙爜 7: String password=request.getParameter("password"); 8: 9: System.out.println(username+":"+password); 10: %> 11: <html> 12: <head> Stacktrace: at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92) at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330) at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:423) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:308) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:273) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.wabacusoa.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:64) 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:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619)
这样的错误。遂慌张起来,于是乎,上网查资料,未能解决。QQ群里问高手,仍是没解决。后仔细斟酌:晕,仅仅一个字母之错。下面是我的dologin.jsp代码,很简单:
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <% //获取用户名 String userName=request.getParameter("username"); //获取密码 String password=request.getParameter("password"); System.out.println(username+":"+password); %> <html> <head> <title>登录处理页面</title> </head> <body> </body> </html>
只因把userName写成了username。一个大写一个小写。就这,报了一个这错。。。现已解决。
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