以下是报错信息:
exception org.apache.jasper.JasperException: /firsttest/WebRoot/test.jsp(6,3) SetProperty: Mandatory attribute property missing
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:198)
org.apache.jasper.compiler.JspUtil.checkAttributes(JspUtil.java:284)
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:475)
org.apache.jasper.compiler.Node$SetProperty.accept(Node.java:1086)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2164)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2214)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2220)
org.apache.jasper.compiler.Node$Root.accept(Node.java:457)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2164)
org.apache.jasper.compiler.Validator.validate(Validator.java:1484)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:167)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:296)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:299)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)我的 程序如下:
CounterBean.java
package gao;
public class CounterBean implements java.io.Serializable{
private static final long serialVersionUID = 1L;
public CounterBean(){}
int count=0;
public int getCount() {
count++;
return count;
}
public void setCount(int c) {
count = c;
}
}test.jsp文件:
<%@ page language="java"  pageEncoding="GBK"%>
<html>
<title>jsp test</title>
<body>
<jsp:useBean id="counterBean" scope="session" class="gao.CounterBean"/>
<jsp:setProperty name="counterBean" property="count" value="10"/>
count值:
<jsp:getProperty name="counterBean" property="count"/>
</body>
</html>

解决方案 »

  1.   

    此回复为自动发出,仅用于显示而已,并无任何其他特殊作用
    楼主【gaocctv】截止到2008-07-01 11:12:06的历史汇总数据(不包括此帖):
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    楼主加油
      

  2.   

    <jsp:setProperty name="counterBean" property="count" value="10"/>
    这行出错了