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POError while submitting on page - JSF2 + tomcat 6
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  1. POError while submitting on page - JSF2 + tomcat 6
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    copied!<p>I 'm new to JSF and creating a sample app using jsf2,tomcat6.0 using eclipse kepler.I 'm getting below exception when i click on ubmit button :</p> <pre><code>SEVERE: Error Rendering View[/index.xhtml] com.sun.faces.mgbean.ManagedBeanCreationException: Unable to create managed bean helloWorldBean. The following problems were found: - Bean or property class com.vigilance.jsf for managed bean helloWorldBean cannot be found. at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:265) at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:244) at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:116) at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176) at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203) at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:69) at org.apache.el.parser.AstValue.getValue(AstValue.java:112) at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109) at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182) at javax.faces.component.UIOutput.getValue(UIOutput.java:169) at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:355) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:164) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:924) at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:312) . </code></pre> <p><strong>My web.xml is below :</strong></p> <pre><code> &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"&gt; &lt;display-name&gt;JavaServerFaces&lt;/display-name&gt; &lt;context-param&gt; &lt;param-name&gt;javax.faces.PROJECT_STAGE&lt;/param-name&gt; &lt;param-value&gt;Development&lt;/param-value&gt; &lt;/context-param&gt; &lt;!-- Welcome page list --&gt; &lt;welcome-file-list&gt; &lt;welcome-file&gt;index.xhtml&lt;/welcome-file&gt; &lt;/welcome-file-list&gt; &lt;!-- JavaServer Faces Servlet --&gt; &lt;servlet&gt; &lt;servlet-name&gt;Faces Servlet&lt;/servlet-name&gt; &lt;servlet-class&gt;javax.faces.webapp.FacesServlet&lt;/servlet-class&gt; &lt;load-on-startup&gt;1&lt;/load-on-startup&gt; &lt;/servlet&gt; &lt;!-- Servlet Mapping to URL pattern --&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;Faces Servlet&lt;/servlet-name&gt; &lt;url-pattern&gt;*.xhtml&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;Faces Servlet&lt;/servlet-name&gt; &lt;url-pattern&gt;*.jsf&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;Faces Servlet&lt;/servlet-name&gt; &lt;url-pattern&gt;*.faces&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;/web-app&gt; </code></pre> <p><strong>Managedbean - HelloWorldBean.java:</strong></p> <pre><code>package com.vigilance.jsf; import java.io.Serializable; import javax.faces.bean.ManagedBean; import javax.faces.bean.RequestScoped; import javax.faces.bean.SessionScoped; @ManagedBean(name="helloWorldBean") @SessionScoped public class HelloWorldBean implements Serializable { /** * */ private static final long serialVersionUID = 1L; private String firstName; private String lastName; public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } } </code></pre> <p><strong>xhtml files - index.xhtmls</strong></p> <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core"&gt; &lt;f:loadBundle basename="resources.application" var="msg" /&gt; &lt;head&gt; &lt;title&gt; &lt;h:outputText value="#{msg.welcomeTitle}" /&gt; &lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;h3&gt; &lt;h:outputText value="#{msg.welcomeHeading}" /&gt; &lt;/h3&gt; &lt;p&gt; &lt;h:outputText value="#{msg.welcomeMessage}" /&gt; &lt;/p&gt; &lt;h:form&gt; &lt;h:panelGrid columns="2"&gt; &lt;h:outputLabel for="firstName"&gt; First Name * &lt;/h:outputLabel&gt; &lt;h:inputText id="firstName" value="#{helloWorldBean.firstName}"&gt; &lt;/h:inputText&gt; &lt;h:outputLabel for="lastName"&gt; Last Name * &lt;/h:outputLabel&gt; &lt;h:inputText id="lastName" value="#{helloWorldBean.lastName}"&gt; &lt;/h:inputText&gt; &lt;h:commandButton value="Submit" action="hello"&gt;&lt;/h:commandButton&gt; &lt;/h:panelGrid&gt; &lt;/h:form&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p><strong>hello.xhtml</strong></p> <pre><code>&lt;?xml version="1.0" encoding="ISO-8859-1" ?&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html"&gt; &lt;f:loadBundle basename="resources.application" var="msg" /&gt; &lt;head&gt; &lt;title&gt; &lt;h:outputText value="#{msg.welcomeTitle}" /&gt; &lt;/title&gt; &lt;/head&gt; &lt;h:body&gt; &lt;h3&gt; &lt;h:outputText value="#{msg.helloHeading}" /&gt; &amp;nbsp;#{helloWorldBean.firstName}&amp;nbsp;#{helloWorldBean.lastName} &lt;/h3&gt; &lt;p&gt; &lt;h:outputText value="#{msg.helloMessage}" /&gt; &lt;/p&gt; &lt;/h:body&gt; &lt;/html&gt; </code></pre>
 

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