JavaBean not found in JSP code

I'm using a Tomcat 4.0 and i've been trying to run this simple JSP example using java bean in this server.
beans.html:
<html>
<head>
<title>useBean action test page</title>
</head>
<body>
<h1>useBean action test page</h1>
<form method="post" action="beans.jsp">
<p>Please enter your username:
<input type="text" name="name">
<br>What is your favorite programming language?
<select name="language">
<option value="Java">Java
<option value="C++">C++
<option value="Perl">Perl
</select>
</p>
<p><input type="submit" value="Submit information">
</form>
</body>
</html>
beans.jsp:
<jsp:useBean id="languageBean" scope="page" class="LanguageBean">
<jsp:setProperty name="languageBean" property="*"/>
</jsp:useBean>
<html>
<head>
<title>useBean action test result</title>
</head>
<body>
<h1>useBean action test result</h1>
<p>Hello, <jsp:getProperty name="languageBean" property="name"/>.</p>
<p>Your favorite language is <jsp:getProperty name="languageBean" property="language"/>.</p>
<p>My comments on your language:</p>
<p><jsp:getProperty name="languageBean" property="languageComments"/></p>
</body>
</html>
LanguageBean.java:
public class LanguageBean {
private String name;
private String language;
public LanguageBean() {}
public void setName(String name) {
this.name = name;
public String getName() {
return name;
public void setLanguage(String language) {
this.language = language;
public String getLanguage() {
return language;
public String getLanguageComments() {
if (language.equals("Java")) {
return "The king of OO languages.";
} else if (language.equals("C++")) {
return "Rather too complex for some folks' liking.";
} else if (language.equals("Perl")) {
return "OK if you like incomprehensible code.";
} else {
return "Sorry, I've never heard of " + language + ".";
After inserted value in the beans.html form and this action is forwarded to beans.jsp, it outputs the following error message:
A Servlet Exception Has Occurred
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 1 in the jsp file: /beans.jsp
Generated servlet error:
D:\jakarta-tomcat-4.0\work\localhost\JSPExamples\beans$jsp.java:56: Class org.apache.jsp.LanguageBean not found.
LanguageBean languageBean = null;
^
An error occurred at line: 1 in the jsp file: /beans.jsp
Generated servlet error:
D:\jakarta-tomcat-4.0\work\localhost\JSPExamples\beans$jsp.java:59: Class org.apache.jsp.LanguageBean not found.
languageBean= (LanguageBean)
^
An error occurred at line: 1 in the jsp file: /beans.jsp
Generated servlet error:
D:\jakarta-tomcat-4.0\work\localhost\JSPExamples\beans$jsp.java:64: Class org.apache.jsp.LanguageBean not found.
languageBean = (LanguageBean) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "LanguageBean");
^
An error occurred at line: 12 in the jsp file: /beans.jsp
Generated servlet error:
D:\jakarta-tomcat-4.0\work\localhost\JSPExamples\beans$jsp.java:92: Class org.apache.jsp.LanguageBean not found.
out.print(JspRuntimeLibrary.toString((((LanguageBean)pageContext.findAttribute("languageBean")).getName())));
^
An error occurred at line: 14 in the jsp file: /beans.jsp
Generated servlet error:
D:\jakarta-tomcat-4.0\work\localhost\JSPExamples\beans$jsp.java:99: Class org.apache.jsp.LanguageBean not found.
out.print(JspRuntimeLibrary.toString((((LanguageBean)pageContext.findAttribute("languageBean")).getLanguage())));
^
An error occurred at line: 17 in the jsp file: /beans.jsp
Generated servlet error:
D:\jakarta-tomcat-4.0\work\localhost\JSPExamples\beans$jsp.java:106: Class org.apache.jsp.LanguageBean not found.
out.print(JspRuntimeLibrary.toString((((LanguageBean)pageContext.findAttribute("languageBean")).getLanguageComments())));
^
6 errors
     at org.apache.jasper.compiler.Compiler.compile(Unknown Source)
     at org.apache.jasper.servlet.JspServlet.loadJSP(Unknown Source)
     at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(Unknown Source)
     at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(Unknown Source)
     at org.apache.jasper.servlet.JspServlet.serviceJspFile(Unknown Source)
     at org.apache.jasper.servlet.JspServlet.service(Unknown Source)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)
     at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
     at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
     at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
     at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
     at org.apache.catalina.core.StandardContext.invoke(Unknown Source)
     at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
     at org.apache.catalina.valves.AccessLogValve.invoke(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
     at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
     at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
     at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
     at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
     at org.apache.catalina.connector.http.HttpProcessor.process(Unknown Source)
     at org.apache.catalina.connector.http.HttpProcessor.run(Unknown Source)
     at java.lang.Thread.run(Thread.java:484)
If any info will be a great help. Thanks.

I think the reason you are getting this problem is that your JSP cannot find the LanguageBean and is therefore looking for it in the default apache package.
try adding this to the top of beans.jsp
<%@page import="com.mycom.LanguageBean" %>
Obviously replacing com.mycom with the package name of your class.
Hope this helps

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at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
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at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at Microsoft.Practices.ESB.Portal.UDDIService.UDDIService.GetCategoryByName(String UDDIServerUrl, String tModelName) in c:\Projects\Microsoft.Practices.ESB\Source\Samples\Management Portal\ESB.Portal\Web References\UDDIService\Reference.cs:line
575
at Microsoft.Practices.ESB.Portal.Uddi.ServiceProxy.getBTEndpoints(String applicationName, Boolean getSendPorts, Boolean getRcvLocations) in c:\Projects\Microsoft.Practices.ESB\Source\Samples\Management Portal\ESB.Portal\Uddi\ServiceProxy.cs:line
553
at Microsoft.Practices.ESB.Portal.Uddi.ServiceProxy.GetEndpointsByApplication(String applicationName, Boolean getSendPorts, Boolean getRcvLocations) in c:\Projects\Microsoft.Practices.ESB\Source\Samples\Management Portal\ESB.Portal\Uddi\ServiceProxy.cs:line
46
Request information:
Request URL: http://localhost/ESB.Portal/uddi/uddi.aspx
Request path: /ESB.Portal/uddi/uddi.aspx
User host address: ::1
User: <domain>\<user>
Is authenticated: True
Authentication Type: Negotiate
Thread account name: NT AUTHORITY\NETWORK SERVICE
Thread information:
Thread ID: 19
Thread account name: NT AUTHORITY\NETWORK SERVICE
Is impersonating: False
Stack trace: at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.Web.UI.WebControls.ObjectDataSourceView.InvokeMethod(ObjectDataSourceMethod method, Boolean disposeInstance, Object& instance)
at System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments)
at System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback)
at System.Web.UI.WebControls.DataBoundControl.PerformSelect()
at System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound()
at System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls()
at System.Web.UI.Control.EnsureChildControls()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
Custom event details:
=================================
Any idea why this is happening and what needs to be done ?
PLEASE HELP
Thanks & Regards
Vikram

Snippet from the link below:
If you get a “404: Not Found” error, it ‘s because by default there is no script map for .svc file with default IIS 7.0 installation, so you need to register .svc extension in IIS:
You need to update IIS script maps to register .svc extension In a command prompt (ran as administrator), execute the following command:
“%windir%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\ServiceModelReg.exe” -r -y"
Refer:
https://dgoins.wordpress.com/2010/05/01/esb-toolkit-management-portal-installation-notes-from-the-field-2/
Sarvanan's blog around this with detailed explanation:
Configuring Exception Management Portal
As mentioned above also
Check Portal Configuration Settings
Rachit
Please mark as answer or vote as helpful if my reply does

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