HT4623 What can I do if iOS 7 is not working for me?

iOS 7 won't show up in my iPad 2. I only have iOS 6.1.3. What should I do?

Apple's servers are probably very busy. You may want to wait for a little while before trying again. Or, try connecting to itunes and updating from there.

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EntityManager is not null then what can be the problem?findAll not working

Hello,
I am just a beginner trying to learn JPA. I successfully added record to database but when i tried to display it it throws me null pointer exception. This is the code
index.xhtml
<?xml version='1.0' encoding='UTF-8' ?>
<!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:h="http://java.sun.com/jsf/html"
 xmlns:f="http://java.sun.com/jsf/core">
 <h:head>
 <title>Facelet Title</title>
 </h:head>
 <h:body>
 <h:form>
 <h:outputLabel value="Username :"/>
 <h:inputText value="#{IndexManagedBean.userName}"/> 
 <h:outputLabel value="Password :"/>
 <h:inputText value="#{IndexManagedBean.password}"/> 
 <h:outputLabel value="Birthdate :"/>
 <h:inputText value="#{IndexManagedBean.birthdate}">
 <f:convertDateTime dateStyle="medium" type="date"/>
 </h:inputText> 
 <h:commandButton value="Add User" actionListener="#{IndexManagedBean.addUser}"/>
 
 
 </h:form>
 </h:body>
</html>Users.java My Entity bean
* To change this template, choose Tools | Templates
* and open the template in the editor.
package BusinessFacade;
import java.io.Serializable;
import java.util.Date;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
@Entity
@Table(name = "tblusers", catalog = "ssms", schema = "")
@NamedQueries({
 @NamedQuery(name = "Users.findAll", query = "SELECT u FROM Users u"),
 @NamedQuery(name = "Users.findByUserId", query = "SELECT u FROM Users u WHERE u.userId = :userId"),
 @NamedQuery(name = "Users.findByUserName", query = "SELECT u FROM Users u WHERE u.userName = :userName"),
 @NamedQuery(name = "Users.findByPassword", query = "SELECT u FROM Users u WHERE u.password = :password"),
 @NamedQuery(name = "Users.findByLastLoginDateTime", query = "SELECT u FROM Users u WHERE u.lastLoginDateTime = :lastLoginDateTime"),
 @NamedQuery(name = "Users.findByBirthdate", query = "SELECT u FROM Users u WHERE u.birthdate = :birthdate")})
public class Users implements Serializable {
 private static final long serialVersionUID = 1L;
 @Id
 @GeneratedValue(strategy = GenerationType.IDENTITY)
 @Basic(optional = false)
 @Column(name = "UserId", nullable = false)
 private Integer userId;
 @Basic(optional = false)
 @Column(name = "UserName", nullable = false, length = 50)
 private String userName;
 @Basic(optional = false)
 @Column(name = "Password", nullable = false, length = 50)
 private String password;
 @Basic(optional = false)
 @Column(name = "LastLoginDateTime", nullable = false)
 @Temporal(TemporalType.TIMESTAMP)
 private Date lastLoginDateTime;
 @Column(name = "Birthdate")
 @Temporal(TemporalType.TIMESTAMP)
 private Date birthdate;
 public Users() {
 public Users(Integer userId) {
 this.userId = userId;
 public Users(String userName, String password, Date birthDate) {
 this.userName = userName;
 this.password = password;
 this.lastLoginDateTime = new Date();
 this.birthdate = birthDate;
 public Integer getUserId() {
 return userId;
 public void setUserId(Integer userId) {
 this.userId = userId;
 public String getUserName() {
 return userName;
 public void setUserName(String userName) {
 this.userName = userName;
 public String getPassword() {
 return password;
 public void setPassword(String password) {
 this.password = password;
 public Date getLastLoginDateTime() {
 return lastLoginDateTime;
 public void setLastLoginDateTime(Date lastLoginDateTime) {
 this.lastLoginDateTime = lastLoginDateTime;
 public Date getBirthdate() {
 return birthdate;
 public void setBirthdate(Date birthdate) {
 this.birthdate = birthdate;
 @Override
 public int hashCode() {
 int hash = 0;
 hash += (userId != null ? userId.hashCode() : 0);
 return hash;
 @Override
 public boolean equals(Object object) {
 // TODO: Warning - this method won't work in the case the id fields are not set
 if (!(object instanceof Users)) {
 return false;
 Users other = (Users) object;
 if ((this.userId == null && other.userId != null) || (this.userId != null && !this.userId.equals(other.userId))) {
 return false;
 return true;
 @Override
 public String toString() {
 return "BusinessFacade.Users[userId=" + userId + "]";
}UsersFacade.java my Stateless session bean
package BusinessFacade;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root;
@Stateless
public class UsersFacade {
 @PersistenceContext(unitName = "FirstJpaExamplePU")
 private EntityManager em;
 public void create(Users users) {
 em.persist(users);
 public void edit(Users users) {
 em.merge(users);
 public void remove(Users users) {
 em.remove(em.merge(users));
 public Users find(Object id) {
 return em.find(Users.class, id);
 public List<Users> findAll() {
 return em.createNamedQuery("Users.findAll").getResultList();
 public List<Users> findRange(int[] range) {
 CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
 cq.select(cq.from(Users.class));
 Query q = em.createQuery(cq);
 q.setMaxResults(range[1] - range[0]);
 q.setFirstResult(range[0]);
 return q.getResultList();
 public int count() {
 CriteriaQuery cq = em.getCriteriaBuilder().createQuery();
 Root<Users> rt = cq.from(Users.class);
 cq.select(em.getCriteriaBuilder().count(rt));
 Query q = em.createQuery(cq);
 return ((Long) q.getSingleResult()).intValue();
}If entitymanager is null then even create should not work, but here findall is not working, create is working perfect!

oops, sorry about that!
here is stack trace :
com.sun.faces.mgbean.ManagedBeanCreationException: Cant instantiate class: IndexManagedBean.
 at com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:193)
 at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:102)
 at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:405)
 at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:267)
 at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:86)
 at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:175)
 at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
 at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:99)
 at com.sun.el.parser.AstValue.getValue(AstValue.java:158)
 at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:219)
 at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:102)
 at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:190)
 at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:178)
 at javax.faces.component.UIOutput.getValue(UIOutput.java:168)
 at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205)
 at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:338)
 at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:164)
 at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:878)
 at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1620)
 at javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
 at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:848)
 at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1613)
 at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1616)
 at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1616)
 at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:380)
 at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:126)
 at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:127)
 at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
 at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
 at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
 at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
 at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:332)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:233)
 at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165)
 at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
 at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
 at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
 at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
 at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
 at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
 at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
 at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
 at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
 at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
 at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
 at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
 at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
 at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
 at BusinessFacade.UsersFacade.findAll(UsersFacade.java:47)
 at IndexManagedBean.<init>(IndexManagedBean.java:23)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
 at java.lang.Class.newInstance0(Class.java:355)
 at java.lang.Class.newInstance(Class.java:308)
 at com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:188)
 ... 53 moreEventually, i found out the EntityManager is null! But how can it be null. I created a persistence context and gave it proper name in code. Then how it be null?

SInce the iOS 7.0.2 update I can't have any GarageBand's Ringtone working for the text's Ringtone... Please help me

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HT4623 What can I do if iOS 7 is not working for me?

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