يا شباب Jdeveloper مشكلة ف شاشة الدخول

بتاريخ: 17 يونيو 201312 سنة

مرحبا شباب يعطيكم العافية

ألأخ sd4it

أنا طبقت الاشياء يلي مشروحة في الفيديو 22

و هي المشكلة ف ياريت مساعدتكم

package view.backing;

import oracle.adf.view.rich.component.rich.RichDocument;

import oracle.adf.view.rich.component.rich.RichForm;

import oracle.adf.view.rich.component.rich.input.RichInputText;

import oracle.adf.view.rich.component.rich.nav.RichCommandButton;

import javax.faces.application.Application;

import javax.faces.application.FacesMessage;

import javax.faces.context.FacesContext;

import javax.faces.el.ValueBinding;

import model.AppModuleImpl;

import model.userinfo;

public class Login {

private String username ;

private String password;

private RichForm f1;

private RichDocument d1;

private RichInputText it1;

private RichInputText it2;

private RichCommandButton cb1;

public void setF1(RichForm f1) {

this.f1 = f1;

}

public RichForm getF1() {

return f1;

}

public void setD1(RichDocument d1) {

this.d1 = d1;

}

public RichDocument getD1() {

return d1;

}

public void setIt1(RichInputText it1) {

this.it1 = it1;

}

public RichInputText getIt1() {

return it1;

}

public void setIt2(RichInputText it2) {

this.it2 = it2;

}

public RichInputText getIt2() {

return it2;

}

public void setCb1(RichCommandButton cb1) {

this.cb1 = cb1;

}

public RichCommandButton getCb1() {

return cb1;

}

public void setUsername(String username) {

this.username = username;

}

public String getUsername() {

return username;

}

public void setPassword(String password) {

this.password = password;

}

public String getPassword() {

return password;

}

public String loginAction() {

// Add event code here...

FacesContext context= FacesContext.getCurrentInstance();

try

{

Application app=context.getApplication();

ValueBinding bind= app.createValueBinding("#{data.AppModuleDataControl.dataProvider}");

AppModuleImpl am =(AppModuleImpl)bind.getValue(context);

userinfo user =am.login(getUsername(),getPassword());

if (user!=null)

{

context.getExternalContext().getSessionMap().put("userKey", user);

return "mainPage";

}

catch (Exception e)

{

// TODO:Add catch code

e.printStackTrace();

}

FacesMessage message=new FacesMessage("login fild");

context.addMessage(null, message);

return null;

}

App impl

package model;

import oracle.jbo.Row;

import oracle.jbo.ViewCriteria;

import oracle.jbo.ViewCriteriaRow;

import oracle.jbo.ViewObject;

import oracle.jbo.server.ApplicationModuleImpl;

import oracle.jbo.server.TransactionEvent;

import oracle.jbo.server.ViewObjectImpl;

// ---------------------------------------------------------------------

// --- File generated by Oracle ADF Business Components Design Time.

// --- Mon Jun 17 18:56:57 IDT 2013

// --- Custom code may be added to this class.

// --- Warning: Do not modify method signatures of generated methods.

// ---------------------------------------------------------------------

public class AppModuleImpl extends ApplicationModuleImpl {

/**

* This is the default constructor (do not remove).

public AppModuleImpl() {

}

/**

* Container's getter for IndxuserView1.

* @return IndxuserView1

public ViewObjectImpl getIndxuserView1() {

return (ViewObjectImpl)findViewObject("IndxuserView1");

}

public userinfo login (String userName,String password )

{

userinfo user =null;

ViewObject vo=getIndxuserView1();

ViewCriteria vc=vo.createViewCriteria();

ViewCriteriaRow vcr=vc.createViewCriteriaRow();

vcr.setAttribute("Username",userName );

vcr.setAttribute("Password",password);

vc.add(vcr);

vo.applyViewCriteria(vc);

vo.executeQuery();

if(vo.hasNext())

{

user=new userinfo();

Row row=vo.next();

user.setUsername((String)row.getAttribute("Username"));

user.setPassword((String)row.getAttribute("Password"));

}

return user;

}

وطلع عندي الخطأ هذا

Target URL -- http://localhost:7101/loginPage-ViewController-context-root/faces/Login.jspx

<ViewHandlerImpl> <_checkTimestamp> Apache Trinidad is running with time-stamp checking enabled. This should not be used in a production environment. See the org.apache.myfaces.trinidad.CHECK_FILE_MODIFICATION property in WEB-INF/web.xml

<UIXEditableValue> <_isBeanValidationAvailable> A Bean Validation provider is not present, therefore bean validation is disabled

java.lang.NullPointerException

at view.backing.Login.loginAction(Login.java:92)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at com.sun.el.parser.AstValue.invoke(Unknown Source)

at com.sun.el.MethodExpressionImpl.invoke(Unknown Source)

at org.apache.myfaces.trinidad.component.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:46)

at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)

at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:190)

at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:787)

at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1252)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._invokeApplication(LifecycleImpl.java:973)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:354)

at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:202)

at javax.faces.webapp.FacesServlet.service(FacesServlet.java:508)

at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)

at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)

at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)

at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.adf.share.http.ServletADFFilter.doFilter(ServletADFFilter.java:65)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:125)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)

at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)

at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)

at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:180)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)

at java.security.AccessController.doPrivileged(Native Method)

at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)

at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)

at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)

at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)

at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)

at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)

at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)

at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)

at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)

at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)

at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)

at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)

at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)

at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)

at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)