1 Reply Latest reply on Mar 16, 2010 12:33 PM by swd847

Regarding seam problem

pavan.pavankkotturi.kumar.gmail.com Mar 15, 2010 12:47 PM

At first Clicking on Register new user,After that Go to Administration tab on that Click on settings, then that time the following error shows,

org.jboss.seam.InstantiationException: Could not instantiate Seam component: add
     at org.jboss.seam.Component.newInstance(Component.java:1962)
     at org.jboss.seam.Component.getInstance(Component.java:1865)
     at org.jboss.seam.Component.getInstance(Component.java:1832)
     at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:55)
     at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:50)
     at org.jboss.seam.el.SeamELResolver.resolveBase(SeamELResolver.java:166)
     at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:53)
     at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
     at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
     at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
     at org.jboss.el.parser.AstValue.getValue(AstValue.java:63)
     at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
     at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
     at javax.faces.component.UIOutput.getValue(UIOutput.java:184)
     at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:201)
     at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:284)
     at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:154)
     at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)
     at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:190)
     at org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
     at org.jboss.seam.ui.renderkit.DecorateRendererBase.doEncodeChildren(DecorateRendererBase.java:104)
     at org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
     at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
     at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:186)
     at org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
     at org.jboss.seam.ui.renderkit.ValidateAllRendererBase.doEncodeChildren(ValidateAllRendererBase.java:33)
     at org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
     at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:936)
     at javax.faces.render.Renderer.encodeChildren(Renderer.java:148)
     at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:936)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:942)
     at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592)
     at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
     at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216)
     at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:109)
     at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
     at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
     at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:44)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
     at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
     at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
     at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
     at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
     at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
     at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
     at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoSuchMethodException: org.jboss.seam.example.projectmanager1.AddUser.<init>()
     at java.lang.Class.getConstructor0(Unknown Source)
     at java.lang.Class.getConstructor(Unknown Source)
     at org.jboss.seam.Component.instantiateEntityBean(Component.java:1290)
     at org.jboss.seam.Component.instantiate(Component.java:1262)
     at org.jboss.seam.Component.newInstance(Component.java:1958)
     ... 76 more

The Code is as follows,

AddRegister.java

package org.jboss.seam.example.projectmanager1;

import javax.ejb.Local;

@Local
public interface AddRegister {
        public void addRegister();
        public void invalid();
        public String getVerify();
        public void setVerify(String verify);
        public boolean isRegistered();

        public void destroy();

}

AddRegisterAction.java

package org.jboss.seam.example.projectmanager1;

import static org.jboss.seam.ScopeType.EVENT;

import java.util.List;

import javax.ejb.Remove;
import javax.ejb.Stateful;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.faces.FacesMessages;

@Stateful
@Scope(EVENT)
@Name("addRegister")
public class AddRegisterAction implements AddRegister {

     @In
     private AddUser add;

     @PersistenceContext
     EntityManager em;

     @In
     private FacesMessages facesMessages;

     private String verify;

     private boolean registered;

     public void addRegister()
     {
          if(add.getPassword().equals(verify))
          {
               List existing=em.createQuery("selecu u.name,u.email from AddUser u where u.name=#{add.name} or u.email=#{add.email}").getResultList();
               if(existing.size()==0)
               {
                    em.persist(add);
                   facesMessages.add("Successfully registered as #{add.name}");
                    registered=true;
               }
               else
               {
                    facesMessages.addToControl("name", "Name #{add.name}/Email #{add.email} already exists");
               }
          }
          else
           {
              facesMessages.addToControl("verify", "Re-enter your password");
              verify=null;
           }
     }




     public String getVerify() {

          return verify;
     }
     public void setVerify(String verify) {
           this.verify = verify;

     }


     public void invalid() {
           facesMessages.add("Please try again");

     }


     public boolean isRegistered() {

          return registered;
     }


     @Remove
     public void destroy() {


     }

}

AddUser.java

package org.jboss.seam.example.projectmanager1;

import java.io.Serializable;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;

import org.hibernate.validator.Length;
import org.hibernate.validator.NotNull;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Out;
import org.jboss.seam.annotations.Scope;

import static org.jboss.seam.ScopeType.SESSION;

@Entity
@Name("add")
@Scope(SESSION)
@Table(name="Adduser")

public class AddUser implements Serializable{



          private String name;
          private String password;
          private String email;
          private String hourlyrate;
          private String role;




          @Id


          @Length(min=4,max=10)
          public String getName() {
               return name;
          }

          public void setName(String name) {
               this.name = name;
          }
          @NotNull
          @Length(min=5,max=8)
          public String getPassword() {
               return password;
          }

          public void setPassword(String password) {
               password = password;
          }
          @NotNull
          public String getEmail() {
               return email;
          }

          public void setEmail(String email) {
               this.email = email;
          }
          @NotNull
          public String getHourlyrate() {
               return hourlyrate;
          }

          public void setHourlyrate(String hourlyrate) {
               this.hourlyrate = hourlyrate;
          }
          @NotNull
          public String getRole() {
               return role;
          }

          public void setRole(String role) {
               this.role = role;
          }





}

adduserform.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<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"
      xmlns:s="http://jboss.com/products/seam/taglib"
      xmlns:a="http://richfaces.org/a4j">

<head>
     <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
     <link href="stylesheet/bcolor.css" type="text/css" rel="stylesheet"/>

     <title>Project Management</title>
</head>

<body class="bccolor">

               <h:form >
                    <ui:include src="projecthome.xhtml" />

                    <h:messages globalOnly="true" styleClass="message"/>
                    <s:validateAll>
                          <f:facet name="aroundInvalidField">
            <s:span styleClass="errors"/>
          </f:facet>
          <f:facet name="afterInvalidField">
            <s:span> <s:message/></s:span>
          </f:facet>
                         <table class="centeralign" border="1px">
                              <tr>
                                   <td style="COLOR: #c0c0c0; FONT-SIZE: large;"> UserName</td>
                                   <td>
                                        <s:decorate><h:inputText id="name" value="#{add.name}" required="true"/></s:decorate>
                                   </td>
                              </tr>
                              <tr>
                                   <td style="COLOR: #c0c0c0; FONT-SIZE: large;">E-mail</td>
                                   <td>
                                        <s:decorate><h:inputText id="email" value="#{add.email}" required="true"/></s:decorate>
                                   </td>
                              </tr>

                              <tr>
                              <td style="COLOR: #c0c0c0; FONT-SIZE: large;">Password</td>
                              <td>
                                   <s:decorate><h:inputSecret id="password" value="#{add.password}" required="true"/></s:decorate>
                              </td>
                              </tr>
                              <tr>
                              <td style="COLOR: #c0c0c0; FONT-SIZE: large;">Re-Password</td>
                              <td>
                                   <s:decorate><h:inputSecret id="verify" value="#{addRegister.verify}" required="true"/></s:decorate>
                              </td>
                              </tr>


                              <tr>
                                   <td style="COLOR: #c0c0c0; FONT-SIZE: large;">Hourly rate</td>
                                   <td>
                                        <s:decorate><h:inputText id="hourlyrate" value="#{add.hourlyrate}" required="true"/></s:decorate>
                                   </td>
                              </tr>
                              <tr>
                                   <td style="COLOR: #c0c0c0; FONT-SIZE: large;">Role</td>
                                   <td>
                                        <h:selectOneRadio value="#{add.role}" id="role">
                                             <f:selectItem itemLabel="client" itemValue="1"/>
                                             <f:selectItem itemLabel="user" itemValue="2"/>
                                             <f:selectItem itemLabel="Admin" itemValue="3"/>
                                        </h:selectOneRadio>

                                   </td>
                                   </tr>

                         </table>
                         <div class="buttonBox ">
                              <h:commandButton id="addRegister" value="Add" action="#{addRegister.addRegister}"/>
                               
                              <s:button id="cancel" value="Close" view="/loginpage.xhtml"/>

                         </div>


                    </s:validateAll>


            </h:form>


     </body>

</html>

1. Re: Regarding seam problem

swd847 Mar 16, 2010 12:33 PM (in response to pavan.pavankkotturi.kumar.gmail.com)
It is looking for a no arg constructor for AddUser and cannot find it, which is quite strange.

Caused by: java.lang.NoSuchMethodException: org.jboss.seam.example.projectmanager1.AddUser.<init>()
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