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[英]Null-pointer exception raised after injecting a stateless session bean into EntityHome derivative in Seam 2.2
[英]SEAM stateless bean not updating
我正在尝试在索引页中使用JSF SEAM实现“忘记密码”功能,我正在使用a4j:jsFunction通过两个来向用户发送电子邮件和卡号
当我只是发送电子邮件(作为字符串)时,似乎工作正常,但是当我添加卡号(int)时,它引发了以下问题。
由以下原因引起:javax.el.PropertyNotFoundException:/index.xhtml @ 256,138 AssignTo =“#{forgotPasswordActions.cardnumber}”:类'org.javassist.tmp.java.lang.Object _ $$ _ javassist_seam_5'没有属性'卡号'。
辅助豆看起来像这样...
@Stateless
@Name("forgotPasswordActions")
public class ForgotPasswordActionsBean implements ForgotPasswordActions, Serializable{
/**
*
*/
private static final long serialVersionUID = 1L;
@Logger private Log log;
@In private EmailService emailService;
@In private UserDAO userDAO;
@In private MessagePoster messagePoster;
@In private Map<String, String> messages;
private User user;
private String address;
private String email;
private int cardnumber;
@Override
public void resetPassword(){
new RunAsOperation(true) {
public void execute() {
if(StringUtils.isNotEmpty(email)){
user = userDAO.findByEmail(email);
}
else{
messagePoster.postPopupInfoMessage(messages.get("inputEmpty"));
}
if(user!=null && cardnumber == user.getCardId()){
String newPassword = generateRandomPassword();
log.debug("updating password...");
user.setPassword(newPassword);
user = userDAO.makePersistent(user);
address = user.getEmail();
log.debug("password changed to: "+newPassword);
Map<String, Object> emailInfo = new HashMap<String, Object>();
emailInfo.put("name", user.getFirstname());
emailInfo.put("newPassword", newPassword);
emailService.sendToAddress(Email.user_password_reset, address, emailInfo);
messagePoster.postPopupInfoMessage(messages.get("pwReset")+" "+user.getEmail());
}
else{
messagePoster.postPopupInfoMessage(messages.get("resetFailed"));
}
}
}.run();
}
//---------------------- Setters
@Override
public void setEmail(String email) {
this.email = email;
}
@Override
public void setCardno(int cardnumber) {
this.cardnumber = cardnumber;
}
}
和JSF / HTML
<div id="forgotPasswordDialog" title="Forgot Password">
<div class="textBox">
<input id="emailLookupval" type="text" />
<input id="cardNoval" type="text" />
<button onclick="resetPassword(jQuery('#emailLookupval').val(),jQuery('#cardNoval').val())" type="button">Reset</button>
<a4j:form id="forgotPassword">
<a4j:jsFunction name="resetPassword"
action="#{forgotPasswordActions.resetPassword}"
oncomplete="jQuery('#forgotPasswordDialog').dialog('open')">
<a4j:actionparam name="userEmail" assignTo="#{forgotPasswordActions.email}" />
<a4j:actionparam name="userCardno" assignTo="#{forgotPasswordActions.cardnumber}" />
</a4j:jsFunction>
</a4j:form>
</div>
</div>
我不知道为什么它不会设置这个bean属性? 任何帮助表示赞赏!
您的设置器称为setCardno()
而setCardnumber()
则需要setCardnumber()
。 #{bean.property}
与Bean中的属性名称#{bean.property}
。 它与getter / setter方法名称有关。 有两种方法可以解决此问题:
重命名setter方法:
public void setCardnumber(int cardnumber) { this.cardnumber = cardnumber; }
或者,重命名view属性:
assignTo="#{forgotPasswordActions.cardno}"
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