初学JSP。连第一个JSP都运行不了啊。。跪求帮忙!!!
大家帮帮忙啊。小的初学JSP。这是第一个JSP都运行不了啊。。打击士气啊~~
以下是C:\Tomcat\webapps\jsptest\A.jsp的内容
<html>
<body>
<jsp:useBean id="cc" class="KK" scope="application"/>
<jsp:setProperty name="cc" property="name" value="this is A"/>
<jsp:getProperty name="cc" property="name"/>
</body>
</html>
C:\Tomcat\webapps\jsptest\WEB-INF\classes\KK.java里的内容是:
public class KK{
public KK(){
}
private String name="NONE";
public String getName(){
return name;
}
public void setName(String newName){
name=newName;
}
}
当我打开start tomcat,用IE打开:http://localhost:8080/jsptest/A.jsp
编译不过啊(500错误)~~到底怎么回事?我用的是tomcat4.0.6。报错信息如下:
type Exception report
message Internal Server Error
description The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Unable to compile class for JSPNote: sun.tools.javac.Main has been deprecated.
An error occurred at line: 3 in the jsp file: /A.jsp
Generated servlet error:
C:\Tomcat\work\Standalone\localhost\jsptest\A$jsp.java:60: Class org.apache.jsp.KK not found.
KK cc = null;
^
An error occurred at line: 3 in the jsp file: /A.jsp
Generated servlet error:
C:\Tomcat\work\Standalone\localhost\jsptest\A$jsp.java:63: Class org.apache.jsp.KK not found.
cc= (KK)
^
An error occurred at line: 3 in the jsp file: /A.jsp
Generated servlet error:
C:\Tomcat\work\Standalone\localhost\jsptest\A$jsp.java:68: Class org.apache.jsp.KK not found.
cc = (KK) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "KK");
^
An error occurred at line: 5 in the jsp file: /A.jsp
Generated servlet error:
C:\Tomcat\work\Standalone\localhost\jsptest\A$jsp.java:94: Class org.apache.jsp.KK not found.
out.print(JspRuntimeLibrary.toString((((KK)pageContext.findAttribute("cc")).getName())));
^
4 errors, 1 warning
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:285)
at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:548)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:176)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:188)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1027)
at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125)
at java.lang.Thread.run(Thread.java:536)