That's a new way (to me) to initialize a selectItems list. Are you certain that your "groups" beans are SelectItem instances?
On Tue, Jun 22, 2010 at 6:51 AM, slayer666 <rfu...@hotmail.es> wrote: > > 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-selectMany-Tag-problem-tp28958641p28958641.html > Sent from the MyFaces - Users mailing list archive at Nabble.com. > >
