remove the constructor and initialize the variable to null and try ... should be
package userinfo; import java.io.*; public class FormBean implements Serializable private String name = null; private String email = null; public void setName(String name) this.name = name; } public String getName() return name; } public void setEmail(String email) this.email = email; } public String getEmail() return email; } } -----Original Message----- From: Carlos Alberto Peláez Ayala [mailto:[EMAIL PROTECTED] Sent: 01 April 2003 18:00 To: [EMAIL PROTECTED] Subject: How to implements JavaBean in Tomcat 4.1.x in Win 2000 and solaris Hello Friends, Iam a beggining in the use of javabeans and jsp pages. I try to run this example: The file login7.jsp: <jsp:useBean id="FormBean" class="userinfo.FormBean"/> <jsp:setProperty name="FormBean" property="*"/> <HTML> <HEAD> <TITLE>Form Example</TITLE> </HEAD> <BODY BGCOLOR="#ffffcc"> <% if (request.getParameter("name")==null && request.getParameter("email") == null) { %> <CENTER> <H2>User Info Request Form </H2> <form method="GET" action="process2.jsp"> <P> Your name: <input type="text" name="name" size=27> <p> Your email: <input type="text" name="email" size=27> <P> <input type="submit" value="Process"> </FORM> </CENTER> <% } else { %> <P> <B>You have provided the following info</B>: <P> <B>Name</B>: <jsp:getProperty name="FormBean" property="name"/> <P> <B>Email</B>: <jsp:getProperty name="FormBean" property="email"/> <% } %> </BODY> </HTML> and the file FormBean.java: package userinfo; import java.io.*; public class FormBean implements Serializable private String name; private String email; public FormBean() name = null; email = null; } public void setName(String name) this.name = name; } public String getName() return name; } public void setEmail(String email) this.email = email; } public String getEmail() return email; } } When i try to run the login7.jsp in my browser, appear the follow error: 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: userinfo.FormBean at org.apache.jasper.compiler.BeanRepository.getBeanType(BeanRepository.java:18 3) at org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:69 1) at org.apache.jasper.compiler.Node$GetProperty.accept(Node.java:552) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:1028) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:1070) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:1076) at org.apache.jasper.compiler.Node$Root.accept(Node.java:232) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:1028) at org.apache.jasper.compiler.Generator.generate(Generator.java:1871) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:238) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:351) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:4 74) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:1 84) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:260) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(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.ja va:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase .java:493) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(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:2415) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(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:432) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne ction(Http11Protocol.java:386) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav a:530) at java.lang.Thread.run(Unknown Source) root cause java.lang.ClassNotFoundException: userinfo.FormBean at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav a:1428) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav a:1274) at org.apache.jasper.compiler.BeanRepository.getBeanType(BeanRepository.java:18 1) at org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:69 1) at org.apache.jasper.compiler.Node$GetProperty.accept(Node.java:552) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:1028) at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:1070) at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:1076) at org.apache.jasper.compiler.Node$Root.accept(Node.java:232) at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:1028) at org.apache.jasper.compiler.Generator.generate(Generator.java:1871) at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:238) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:351) at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:4 74) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:1 84) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:260) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(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.ja va:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase .java:493) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(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:2415) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:643) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172 ) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(StandardPipeline.java:641) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok eNext(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:432) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne ction(Http11Protocol.java:386) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav a:530) at java.lang.Thread.run(Unknown Source) ---------------------------------------------------------------------------- ---- Apache Tomcat/4.1.18 Please, tell me how to i run a jsp page with javebean implementation. Thanks for help me and sorry by my english. Carlos Alberto --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
