Good morning, i am trying the JSF selectManyMenu tag and i when i execute the
aplication renders this trace log:
javax.servlet.ServletException
javax.faces.webapp.FacesServlet.service(FacesServlet.java:277)
causa raíz
java.lang.NullPointerException
org.apache.catalina.connector.CoyoteWriter.write(CoyoteWriter.java:171)
com.sun.faces.application.ViewHandlerImpl$WriteBehindStateWriter.write(ViewHandlerImpl.java:867)
com.sun.faces.renderkit.html_basic.HtmlResponseWriter.write(HtmlResponseWriter.java:620)
com.sun.faces.renderkit.html_basic.MenuRenderer.renderOption(MenuRenderer.java:539)
com.sun.faces.renderkit.html_basic.MenuRenderer.renderOptions(MenuRenderer.java:772)
com.sun.faces.renderkit.html_basic.MenuRenderer.renderSelect(MenuRenderer.java:832)
com.sun.faces.renderkit.html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:280)
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:937)
javax.faces.render.Renderer.encodeChildren(Renderer.java:148)
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:930)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:933)
com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:266)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:197)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
This are the codes implemented:
*faces-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<faces-config
xmlns="http://java.sun.com/xml/ns/javaee";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd";
version="1.2">
<application>
<resource-bundle>
<base-name>jsf.properties.Application</base-name>
<var>label</var>
</resource-bundle>
</application>
<managed-bean>
<managed-bean-name>groups</managed-bean-name>
<managed-bean-class>java.util.ArrayList</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
<list-entries>
<value-class>jsf.beans.Select</value-class>
<value>#{groupA}</value>
</list-entries>
</managed-bean>
<managed-bean>
<managed-bean-name>groupA</managed-bean-name>
<managed-bean-class>jsf.beans.Select</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
<managed-property>
<property-name>team1</property-name>
<value>Brazil</value>
</managed-property>
<managed-property>
<property-name>team2</property-name>
<value>Korea</value>
</managed-property>
<managed-property>
<property-name>team3</property-name>
<value>Portugal</value>
</managed-property>
</managed-bean>
<managed-bean>
<managed-bean-name>login</managed-bean-name>
<managed-bean-class>jsf.beans.LoginBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
<managed-property>
<property-name>minimum</property-name>
<value>18</value>
</managed-property>
</managed-bean>
<navigation-rule>
<from-view-id>/index.jsp</from-view-id>
<navigation-case>
<from-outcome>loginSuccess</from-outcome>
<to-view-id>/success.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<navigation-rule>
<from-view-id>/success.jsp</from-view-id>
<navigation-case>
<from-outcome>home</from-outcome>
<to-view-id>/index.jsp</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>populate</from-outcome>
<to-view-id>/bookStore.jsp</to-view-id>
</navigation-case>
</navigation-rule>
</faces-config>
*login.jsp
<h:selectManyMenu value="#{login.groupsWorldCup}">
<f:selectItems value="#{groups}"/>
</h:selectManyMenu>
*LoginBean.java
package jsf.beans;
import java.util.ArrayList;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.UIInput;
import javax.faces.context.FacesContext;
public class LoginBean {
private String userName;
private String passwd;
private Integer age=null;
private String text;
private int minimum;
private boolean check;
private String language;
private ArrayList<BookBean> bookList=new ArrayList<BookBean>();
private String style;
private ArrayList<String> role=new ArrayList<String>();
private ArrayList<String> menuList=new ArrayList<String>();
private ArrayList<String> groupsWorldCup=new ArrayList<String>();
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPasswd() {
return passwd;
}
public void setPasswd(String passwd) {
this.passwd = passwd;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public int getMinimum() {
return minimum;
}
public void setMinimum(int minimum) {
this.minimum = minimum;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
public ArrayList<BookBean> getBookList() {
return bookList;
}
public void setBookList(ArrayList<BookBean> bookList) {
this.bookList = bookList;
}
public boolean isCheck() {
return check;
}
public void setCheck(boolean check) {
this.check = check;
}
public String getLanguage() {
return language;
}
public void setLanguage(String language) {
this.language = language;
}
public String getStyle() {
return style;
}
public void setStyle(String style) {
this.style = style;
}
public ArrayList<String> getRole() {
return role;
}
public void setRole(ArrayList<String> role) {
this.role = role;
}
public ArrayList<String> getMenuList() {
return menuList;
}
public void setMenuList(ArrayList<String> menuList) {
this.menuList = menuList;
}
public ArrayList<String> getGroupsWorldCup() {
return groupsWorldCup;
}
public void setGroupsWorldCup(ArrayList<String> groupsWorldCup) {
this.groupsWorldCup = groupsWorldCup;
}
public void checkUsername(FacesContext fcontext,UIComponent
component,Object value){
String msg=(String)value;
if(!msg.equals("raul")){
((UIInput)component).setValid(false);
fcontext.addMessage(component.getClientId(fcontext), new
FacesMessage("Usuario incorrecto"));
}
}
public void checkPasswd(FacesContext fcontext,UIComponent
component,Object
value){
if(!value.equals("vaji97")){
((UIInput)component).setValid(false);
fcontext.addMessage(component.getClientId(fcontext), new
FacesMessage("Clave incorrecta"));
}
}
public String populateBookList(){
this.bookList.add(new BookBean(2,"Lord of the Rings",34));
this.bookList.add(new BookBean(3,"Codigo DVinci",38));
this.bookList.add(new BookBean(1,"Angels and Evils",36));
this.bookList.add(new BookBean(4,"Geisha history",27));
return "populate";
}
}
Any suggestions?.
Thanks in advanced.
--
View this message in context:
http://old.nabble.com/JSF-problem-with-selectManyMenu-tag-tp28958566p28958566.html
Sent from the Struts - User mailing list archive at Nabble.com.
---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscr...@struts.apache.org
For additional commands, e-mail: user-h...@struts.apache.org
