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From "Uronis, Jeremy" <Jeremy.Uro...@usa.xerox.com>
Subject RE: Help getting beans working
Date Tue, 01 May 2001 18:26:16 GMT
Thanks for the reply Matt.
I placed my bean in "c:\tomcat\webapps\examples\WEB-INF\classes"
and the error i get is:

Error: 500
Location: /examples/jsp/test/bean1.jsp
Internal Servlet Error:

org.apache.jasper.JasperException: Unable to load class rayexamples.bean1
	at
org.apache.jasper.compiler.BeanRepository.getBeanType(BeanRepository.java:18
3)
	at
org.apache.jasper.compiler.GetPropertyGenerator.generate(GetPropertyGenerato
r.java:99)
	at
org.apache.jasper.compiler.JspParseEventListener$GeneratorWrapper.generate(J
spParseEventListener.java:773)
	at
org.apache.jasper.compiler.JspParseEventListener.generateAll(JspParseEventLi
stener.java:220)
	at
org.apache.jasper.compiler.JspParseEventListener.endPageProcessing(JspParseE
ventListener.java:175)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:183)
	at
org.apache.jasper.servlet.JspServlet.doLoadJSP(JspServlet.java:462)
	at
org.apache.jasper.servlet.JasperLoader12.loadJSP(JasperLoader12.java:146)
	at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:433)
	at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspSe
rvlet.java:152)
	at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.ja
va:164)
	at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
	at org.apache.tomcat.core.Handler.service(Handler.java:286)
	at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
	at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
7)
	at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
	at
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
(Ajp12ConnectionHandler.java:166)
	at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
	at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
	at java.lang.Thread.run(Thread.java:484)


Thanks - jeremy



-----Original Message-----
From: Matt Goss [mailto:mgoss@rtci.com]
Sent: Tuesday, May 01, 2001 2:20 PM
To: tomcat-user@jakarta.apache.org
Subject: Re: Help getting beans working


Try putting your beans in WEB-INF/classes folder instead. :)
Matt

"Uronis, Jeremy" wrote:
> 
> hiya-
> 
> i have a simple jsp which includes a bean. the file "bean1.jsp" is
> located in "C:\tomcat\webapps\examples\jsp\test\bean1.jsp"
> i did this following the faq on beans and jsp's.
> 
>    "To use the default, put all your JSP source under /examples/jsp,
either
>    in the same directory or under a new subdirectory of /examples/jsp (as
>    done in the included examples)."
> 
> here is my jsp
> 
> <html>
>  <body>
>  <!- Find and instantiate the bean, and refer to it as myBean -->
>  <jsp:useBean id="myBean" scope="page" class= "rayexamples.bean1"/>
>  STEP-1 Use the bean's default property "World"<BR>
>  Hello there, <%= myBean.getName() %><BR>
>  Hi there, <jsp:getProperty name="myBean" property="name" /><BR>
>  Howdy, <%= myBean.makeMeBig() %><BR><BR>
>  STEP-2 Set the name property to "Sam", using jsp:setProperty
> value="Sam"<BR>
>  <jsp:setProperty name="myBean" property="name" value= "Sam"/>
>  STEP-3 Use the bean's new property "Sam"<BR>
>  Hello there, <%= myBean.getName() %><BR>
>  Hi there, <jsp:getProperty name="myBean" property="name" /><BR>
>  Howdy, <%=myBean.makeMeBig() %> <BR><BR>
>  STEP-4 Set the name property to "Bernie", using setName()
>  value= "Bernie"<BR>
>  <% myBean.setName("Bernie");%>
>  STEP-5 Use the bean's new property"Bernie"<BR>
>          Hello there, <%=myBean.getName() %><BR>
>  Hi there, <jsp:getProperty name="myBean" property="name" /><BR>
>  Howdy, <%= myBean.makeMeBig()%> <BR><BR>
>  STEP-6 Set the name property from the query string using jsp:setProperty
> param="name"<BR>
>  <jsp:setProperty name="myBean" property="name" param="name" />
>  STEP-7 Use the bean's new property from the URL <BR>
>  Hello there, <%= myBean.getName() %><BR>
>  Hi there, <jsp:getProperty name="myBean" property="name" /><BR>
>  Howdy, <%= myBean.makeMeBig() %> <BR><BR>
>  </body>
> </html>
> 
> now the faq says this on beans:
> 
>    Put all your beans (class files) under
>    /examples/WEB-INF/jsp/beans appropriately (as done for the included
>    beans). The startserver script will automatically add these classes to
>    the CLASSPATH at runtime.
> 
> here is my bean
> 
> package rayexamples ;
> import java.io.Serializable ;
> public class bean1 implements Serializable{
> 
>         String name ;
>         /* The JavaBean's empty constructor */
>         public bean1(){
>                 name = "World" ;
>         }
> 
>         /* THE SETTER METHOD - property returned to the JSP
setProperty()*/
>         public void setName(String name){
>                 this.name = name;
>         }
> 
>         /* THE GETTER METHOD - property is set by the JSP setProperty().
>         If nothing is entered in the JSP, then name = World.
>         Otherwise, name is set to the name passed here from the JSP. */
>         public String getName(){
>                 return name;
>         }
> 
>         /* THIS IS AN EXPOSED METHOD. It appends the word Big to the
> beginning of the name string. This
>         kind of method may be used for enforcing business rules,
formatting
>         the output, etc. */
>         public String makeMeBig(){
>                 name = "Big " + name ;
>         return name ;
>         }
> }
> 
> i put my bean1.class here in
> "C:\tomcat\webapps\examples\WEB-INF\jsp\beans\test\bean1.jsp."
> however, by looking at the other exmaples, their class files seem to be
here
> "C:\tomcat\webapps\examples\WEB-INF\classes\EXAMPLE_FOLDER". so, i tried
> placing "bean1.clas"
> in "C:\tomcat\webapps\examples\WEB-INF\classes\test\bean1.class" as well,
> with no luck.
> 
> the error i get follows:
> 
> Error: 500
> Location: /examples/jsp/test/bean1.jsp
> Internal Servlet Error:
> 
> org.apache.jasper.JasperException: Unable to load class rayexamples.bean1
>         at
>
org.apache.jasper.compiler.BeanRepository.getBeanType(BeanRepository.java:18
> 3)
>         at
>
org.apache.jasper.compiler.GetPropertyGenerator.generate(GetPropertyGenerato
> r.java:99)
>         at
>
org.apache.jasper.compiler.JspParseEventListener$GeneratorWrapper.generate(J
> spParseEventListener.java:773)
>         at
>
org.apache.jasper.compiler.JspParseEventListener.generateAll(JspParseEventLi
> stener.java:220)
>         at
>
org.apache.jasper.compiler.JspParseEventListener.endPageProcessing(JspParseE
> ventListener.java:175)
>         at org.apache.jasper.compiler.Compiler.compile(Compiler.java:183)
>         at
> org.apache.jasper.servlet.JspServlet.doLoadJSP(JspServlet.java:462)
>         at
> org.apache.jasper.servlet.JasperLoader12.loadJSP(JasperLoader12.java:146)
>         at
org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:433)
>         at
>
org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspSe
> rvlet.java:152)
>         at
>
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.ja
> va:164)
>         at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
>         at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>         at
> org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
>         at org.apache.tomcat.core.Handler.service(Handler.java:286)
>         at
> org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
>         at
>
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
> 7)
>         at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
>         at
>
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
> (Ajp12ConnectionHandler.java:166)
>         at
> org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
>         at
> org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
>         at java.lang.Thread.run(Thread.java:484)
> 
> Root cause:
> java.lang.ClassNotFoundException: Unable to load class rayexamples.bean1
>         at
> org.apache.jasper.servlet.JasperLoader.findClass(JasperLoader.java:223)
>         at
> org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:147)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
>         at
>
org.apache.jasper.compiler.BeanRepository.getBeanType(BeanRepository.java:18
> 1)
>         at
>
org.apache.jasper.compiler.GetPropertyGenerator.generate(GetPropertyGenerato
> r.java:99)
>         at
>
org.apache.jasper.compiler.JspParseEventListener$GeneratorWrapper.generate(J
> spParseEventListener.java:773)
>         at
>
org.apache.jasper.compiler.JspParseEventListener.generateAll(JspParseEventLi
> stener.java:220)
>         at
>
org.apache.jasper.compiler.JspParseEventListener.endPageProcessing(JspParseE
> ventListener.java:175)
>         at org.apache.jasper.compiler.Compiler.compile(Compiler.java:183)
>         at
> org.apache.jasper.servlet.JspServlet.doLoadJSP(JspServlet.java:462)
>         at
> org.apache.jasper.servlet.JasperLoader12.loadJSP(JasperLoader12.java:146)
>         at
org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:433)
>         at
>
org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspSe
> rvlet.java:152)
>         at
>
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.ja
> va:164)
>         at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
>         at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>         at
> org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
>         at org.apache.tomcat.core.Handler.service(Handler.java:286)
>         at
> org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
>         at
>
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
> 7)
>         at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
>         at
>
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
> (Ajp12ConnectionHandler.java:166)
>         at
> org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
>         at
> org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
>         at java.lang.Thread.run(Thread.java:484)
> 
> any help would be great.
> thanks - jeremy

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