在执行jsp的时候总是提示一下错误,谁能告诉我到底错在哪里了:
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:125: cannot resolve symbol
probably occurred due to an error in /Bean.jsp line 2:
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" />C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:126: cannot resolve symbol
probably occurred due to an error in /Bean.jsp line 2:
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" />C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:129: cannot resolve symbol
probably occurred due to an error in /Bean.jsp line 2:
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" />C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:131: cannot resolve symbol
probably occurred due to an error in /Bean.jsp line 2:
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" />
--------------------------------------------------------------------------------
Full compiler error(s):
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:125: cannot resolve symbol
symbol : class SampleBean1
location: class jsp_servlet.__bean
SampleBean1 SampleBean1 = null; //[ /Bean.jsp; Line: 2]
^
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:126: cannot resolve symbol
symbol : class SampleBean1
location: class jsp_servlet.__bean
SampleBean1 = (SampleBean1)pageContext.getAttribute("SampleBean1"); //[ /Bean.jsp; Line: 2]
^
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:129: cannot resolve symbol
symbol : class SampleBean1
location: class jsp_servlet.__bean
SampleBean1 = (SampleBean1)pageContext.getAttribute("SampleBean1"); //[ /Bean.jsp; Line: 2]
^
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:131: cannot resolve symbol
symbol : class SampleBean1
location: class jsp_servlet.__bean
SampleBean1 = new SampleBean1(); //[ /Bean.jsp; Line: 2]
^
4 errors
我的JavaBean:编译通过SampleBean1.class存放在WEB_INF\classes目录下
import java.io.*;
public class SampleBean1{ private String str;
public SampleBean1(){}; public void setStr(String str)
{
this.str = str;
}
public String getStr(){
return str;
}}
我的jsp:
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" /><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head><body>
<%
SampleBean1.setStr("I love you");
out.print(SampleBean1.getStr());
%>
</body>
</html>
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:125: cannot resolve symbol
probably occurred due to an error in /Bean.jsp line 2:
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" />C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:126: cannot resolve symbol
probably occurred due to an error in /Bean.jsp line 2:
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" />C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:129: cannot resolve symbol
probably occurred due to an error in /Bean.jsp line 2:
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" />C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:131: cannot resolve symbol
probably occurred due to an error in /Bean.jsp line 2:
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" />
--------------------------------------------------------------------------------
Full compiler error(s):
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:125: cannot resolve symbol
symbol : class SampleBean1
location: class jsp_servlet.__bean
SampleBean1 SampleBean1 = null; //[ /Bean.jsp; Line: 2]
^
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:126: cannot resolve symbol
symbol : class SampleBean1
location: class jsp_servlet.__bean
SampleBean1 = (SampleBean1)pageContext.getAttribute("SampleBean1"); //[ /Bean.jsp; Line: 2]
^
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:129: cannot resolve symbol
symbol : class SampleBean1
location: class jsp_servlet.__bean
SampleBean1 = (SampleBean1)pageContext.getAttribute("SampleBean1"); //[ /Bean.jsp; Line: 2]
^
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__bean.java:131: cannot resolve symbol
symbol : class SampleBean1
location: class jsp_servlet.__bean
SampleBean1 = new SampleBean1(); //[ /Bean.jsp; Line: 2]
^
4 errors
我的JavaBean:编译通过SampleBean1.class存放在WEB_INF\classes目录下
import java.io.*;
public class SampleBean1{ private String str;
public SampleBean1(){}; public void setStr(String str)
{
this.str = str;
}
public String getStr(){
return str;
}}
我的jsp:
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<jsp:useBean id="SampleBean1" class="SampleBean1" scope="page" /><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head><body>
<%
SampleBean1.setStr("I love you");
out.print(SampleBean1.getStr());
%>
</body>
</html>
解决方案 »
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public SampleBean1(){}; public void setStr(String str)
{
this.str = str;
}
public String getStr(){
return str;
}}
test.jsp:
<%<%@ page contentType="text/html; charset=gb2312" errorPage="" %>
<jsp:useBean id="SB" class="myBean.SampleBean1" scope="page">
<jsp:setProperty name="SB" property="*"/>
</jsp:useBean>
<head>
<title>学习JavaBean</title>
</head><body>
<%
String strval=SB.getStr();
out.println(strval);
%>
<form name="form1" method="post" action="test.jsp">
<table>
<tr><td><input type="text" name="str"></td></tr>
<tr><td><input type="submit" name="OK" value="Post"><td></tr>
</table>
</form>
</body>
今天是我生日,帮你写一段,希望能帮上你。哈哈
<jsp:useBean id="SampleBean1" class="package_name.SampleBean1" scope="page" />
我是加了暴名的,可报的错误还是一样的
不知道是不是weblogic的问题
可能是javabean存放的问题或者其他。
我写javabean的时候都是import进来的,然后再usebean。
a.jsp
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<jsp:useBean id="SampleBean1" class="test.SampleBean1" scope="page" />
<html >
<head>
<title>无标题文档</title>
</head>
<body>
<%
SampleBean1.setStr("I love you");
out.print(SampleBean1.getStr());
%>
</body>
</html>
//=============================
package test;import java.io.*;public class SampleBean1{ private String str;
public SampleBean1(){}; public void setStr(String str)
{
this.str = str;
}
public String getStr(){
return str;
}
}
这样就可以了
java就是好servlet来实现功能的
但还是提示:
C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_ctais_ctais\jsp_servlet\__usejavabean1.java:143: cannot resolve symbol
probably occurred due to an error in /usejavabean1.jsp line 10:
SB dd=new SB();是weblogic还需要设置什么吗?