我在写JSP+javabean时，难道非要我在myeclipse中新建一个包，然后将*.java bean放在里面吗，放在默认中不行吗，感谢
我在写JSP+javabean时，难道非要我在myeclipse中新建一个包，然后将*.java bean放在里面吗，放在默认中不行吗，感谢+
<%@ page language= "java " import= "java.util.* " pageEncoding= "ISO-8859-1 "%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN ">
<jsp:useBean id= "ghy " scope= "request " class= "abc "/>
<html>
<head>
<body>
<%
out.println(ghy.show());
%>
</body>
</html>
我这样写就是不行，不知道为什么。
public class abc {
public double show() {
return 1.1;
}
}
--------------------
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
An error occurred at line: 4 in the jsp file: /abc.jsp
Generated servlet error:
abc cannot be resolved to a type
An error occurred at line: 4 in the jsp file: /abc.jsp
Generated servlet error:
abc cannot be resolved to a type
An error occurred at line: 4 in the jsp file: /abc.jsp
Generated servlet error:
abc cannot be resolved to a type
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:512)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 4 in the jsp file: /abc.jsp
Generated servlet error:
abc cannot be resolved to a type
An error occurred at line: 4 in the jsp file: /abc.jsp
Generated servlet error:
abc cannot be resolved to a type
An error occurred at line: 4 in the jsp file: /abc.jsp
Generated servlet error:
abc cannot be resolved to a type
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:414)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:297)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:276)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:264)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:305)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs.
--------------------------------------------
Apache Tomcat/5.5.20
[解决办法]
java文件和jsp文件当然要分开成2个文件
[解决办法]
java文件里还有包名，你要把包名写正确。。
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
