JSP中使用JavaBean问题?
小弟我刚开始使用JSP+JavaBean开发，之前是做纯Java开发的，在使用JavaBean的问题上遇到了问题！
问题是着样的
我的工作空间是K:\Apache Software Foundation\Tomcat 5.0\webapps\ROOT\Hawkins_JSP
在该空间下有K:\Apache Software Foundation\Tomcat 5.0\webapps\ROOT\Hawkins_JSP\WEB-INF\classes\test用于存放java的class文件
我的环境变量classpath :;K:\Apache Software Foundation\Tomcat 5.0\webapps\ROOT\Hawkins_JSP\WEB-INF\classes
我在K:\Apache Software Foundation\Tomcat 5.0\webapps\ROOT\Hawkins_JSP目录下建了一个JSP文件TestBean.jsp内容是
<%@ page contentType= "text/html; charset=gb2312 " language= "java " import= "java.sql.* " errorPage= " " %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN " "http://www.w3.org/TR/html4/loose.dtd ">
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 ">
<title> 无标题文档 </title>
</head>
<body>
<center>
<%@ page import= "test.TestBean " %>
<%
TestBean testBean=new TestBean( "This is a test java bean. ");
%>
Java bean name is: <%=testBean.getName()%>
</center>
</body>
</html>
然后我在K:\Apache Software Foundation\Tomcat 5.0\webapps\ROOT\Hawkins_JSP\WEB-INF\classes下建了一个java文件TestBean.java
内容是
package test;
public class TestBean
{
private String name = null;
public TestBean(String strName_p)
{
this.name=strName_p;
}
public void setName(String strName_p)
{
this.name=strName_p;
}
public String getName()
{
return this.name;
}
}
然后我在dos 下 K:\Apache Software Foundation\Tomcat 5.0\webapps\ROOT\Hawkins_JSP\WEB-INF\classes\test目录下输入
javac TestBean.java编译完成后我启动了Tomcat5.0
在输入http://localhost:8080/Hawkins_JSP/TestBean.jsp后结果是
HTTP Status 500 -
--------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Unable to compile class for JSP
Generated servlet error:
K:\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\Hawkins_005fJSP\TestBean_jsp.java:7: 软件包 test 不存在
import test.TestBean;
^
An error occurred at line: 12 in the jsp file: /Hawkins_JSP/TestBean.jsp
Generated servlet error:
K:\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\Hawkins_005fJSP\TestBean_jsp.java:56: 找不到符号
符号： 类 TestBean
位置： 类 org.apache.jsp.Hawkins_005fJSP.TestBean_jsp
TestBean testBean=new TestBean( "This is a test java bean. ");
^
An error occurred at line: 12 in the jsp file: /Hawkins_JSP/TestBean.jsp
Generated servlet error:
K:\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\Hawkins_005fJSP\TestBean_jsp.java:56: 找不到符号
符号： 类 TestBean
位置： 类 org.apache.jsp.Hawkins_005fJSP.TestBean_jsp
TestBean testBean=new TestBean( "This is a test java bean. ");
^
3 错误
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:412)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
我想请各位大侠给我指点一下，小弟我的问题出在哪？要怎么改才可以？
[解决办法]
javac TestBean.java编译完成后我启动了Tomcat5.0 可能是这的问题吧
应该用 javac -d .TestBean.java 这样生成的才是 test/TestBean.java
[解决办法]
估计lz用javac编译TestBean.java时没建目录。
[解决办法]
靠，楼主的目录结构都不对，WEB-INF只能放在虚拟目录的根目录下，对于你的情况，只能放在ROOT下，你在Hawkins_JSP中再放WEB-INF是没有用的
我的异常网推荐解决方案：The server encountered an internal error () that prevented it from fulfilling this request.,http://www.myexception.cn/java-web/317.html
我的异常网推荐解决方案：org.apache.jasper.JasperException: Unable to compile class,http://www.myexception.cn/j2ee/2308.html
