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调用 javabean 的有关问题

发布时间: 2013-09-11 17:59:56 作者: rapoo

调用 javabean 的问题
jsp页面
<jsp:useBean id="log" class="bean.login" scope="page" />
<%
log.setname(name);
%>

javabean部分代码
public void setname(String name)
{
this.name=name;
}
为什么会出错:
type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: bean.login.setname(Ljava/lang/String;)V
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:867)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:800)
org.apache.jsp.login_jsp._jspService(login_jsp.java:68)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


root cause

java.lang.NoSuchMethodError: bean.login.setname(Ljava/lang/String;)V
org.apache.jsp.login_jsp._jspService(login_jsp.java:60)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


note The full stack trace of the root cause is available in the Tomcat logs.


[解决办法]
public void setName(String name)
[解决办法]

探讨
public void setName(String name)

[解决办法]
setname 大写N
[解决办法]
log.setName(name);应该这样写。。。。。。
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

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