Addressbook example error

[Al Style <al...@hotmail.com>]

I would be very grateful if can please explain or tell me how to resolve the 
problem that gives me the following error when I try to run the Addressbook 
example on Win95 with Java 1.3 and Tomcat 4.1.12:

An error occurred at line: 63 in the jsp file: /header.jsp

Generated servlet error:
    [javac] Compiling 1 source file

C:\Program Files\Apache Group\Tomcat 
4.1\work\Standalone\localhost\Addressbook\index_jsp.java:172: cannot resolve 
symbol
symbol  : class Group
location: package Addressbook
      Addressbook.Group group = null;
                 ^



An error occurred at line: 63 in the jsp file: /header.jsp

Generated servlet error:
C:\Program Files\Apache Group\Tomcat 
4.1\work\Standalone\localhost\Addressbook\index_jsp.java:174: cannot resolve 
symbol
symbol  : class Group
location: package Addressbook
        group = (Addressbook.Group) pageContext.getAttribute("group", 
PageContext.SESSION_SCOPE);
                            ^



An error occurred at line: 63 in the jsp file: /header.jsp

Generated servlet error:
C:\Program Files\Apache Group\Tomcat 
4.1\work\Standalone\localhost\Addressbook\index_jsp.java:177: cannot resolve 
symbol
symbol  : class Group
location: package Addressbook
            group = (Addressbook.Group) 
java.beans.Beans.instantiate(this.getClass().getClassLoader(), 
"Addressbook.Group");
                                ^



An error occurred at line: 64 in the jsp file: /header.jsp

Generated servlet error:
C:\Program Files\Apache Group\Tomcat 
4.1\work\Standalone\localhost\Addressbook\index_jsp.java:187: cannot resolve 
symbol
symbol  : class Person
location: package Addressbook
      Addressbook.Person person = null;
                 ^



An error occurred at line: 64 in the jsp file: /header.jsp

Generated servlet error:
C:\Program Files\Apache Group\Tomcat 
4.1\work\Standalone\localhost\Addressbook\index_jsp.java:189: cannot resolve 
symbol
symbol  : class Person
location: package Addressbook
        person = (Addressbook.Person) pageContext.getAttribute("person", 
PageContext.SESSION_SCOPE);
                             ^



An error occurred at line: 64 in the jsp file: /header.jsp

Generated servlet error:
C:\Program Files\Apache Group\Tomcat 
4.1\work\Standalone\localhost\Addressbook\index_jsp.java:192: cannot resolve 
symbol
symbol  : class Person
location: package Addressbook
            person = (Addressbook.Person) 
java.beans.Beans.instantiate(this.getClass().getClassLoader(), 
"Addressbook.Person");
                                 ^
6 errors


	at 
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:120)
	at 
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:293)
	at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:313)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:324)
	at 
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:474)
	at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:184)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:289)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
	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:260)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:471)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396)
	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
	at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
	at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380)
	at 
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
	at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533)
	at java.lang.Thread.run(Thread.java:484)





_________________________________________________________________
MSN Fotos: la forma más fácil de compartir e imprimir fotos. 
http://photos.msn.es/support/worldwide.aspx