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From Luís de Sousa <luis.a.de.so...@gmail.com>
Subject Re: Tomcat can't find Java Beans
Date Thu, 06 May 2010 14:13:01 GMT
Sorry, here goes the example exception.

Luís

org.apache.jasper.JasperException: /greeter.jsp(5,10) The value for
the useBean class attribute ourbeans.greeterbean is invalid.
	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:148)
	org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1272)
	org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1178)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361)
	org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2411)
	org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2417)
	org.apache.jasper.compiler.Node$Root.accept(Node.java:495)
	org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361)
	org.apache.jasper.compiler.Generator.generate(Generator.java:3426)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:216)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:332)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:312)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:299)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:586)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.lang.reflect.Method.invoke(Method.java:616)
	org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:269)
	java.security.AccessController.doPrivileged(Native Method)
	javax.security.auth.Subject.doAsPrivileged(Subject.java:537)
	org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:301)
	org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162)


2010/5/6 Luís de Sousa <luis.a.de.sousa@gmail.com>:
> Hello everyone,
>
> Tomcat 6.0.20 on Ubuntu 9.10. I'm trying to deploy simple web
> applications that either use beans or servlets. I'm now down to very
> simple examples like this one:
>
> http://www.roseindia.net/ejb/introduction/javabean.shtml
>
> This is basically a html file, a jsp file that deals with a post and a
> java bean. I'm compiling the java files and copying the resulting
> .class into WEB-INF/classes, using the directory structure to match
> the package names.
>
> Invariably, when the bean is called Tomcat returns an error saying the
> bean is invalid (see example below). It seems that Tomcat isn't
> finding the .class files; do I need to configure something for Tomcat
> to find the beans? I though that for Tomcat 5 and beyond that wasn't
> needed.
>
> Thanks for your help,
>
> Luís
>

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