Maven 使用<；h：头>；在提交时导致EvaluationException，但使用标准正确执行<；头>；
开发环境Maven 使用<；h：头>；在提交时导致EvaluationException，但使用标准正确执行<；头>；,maven,jsf,glassfish,cdi,java-ee-7,Maven,Jsf,Glassfish,Cdi,Java Ee 7,开发环境 <?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:ui="http://xmlns.
<?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:ui="http://xmlns.jcp.org/jsf/facelets"
xmlns:h="http://xmlns.jcp.org/jsf/html"
xmlns:f="http://xmlns.jcp.org/jsf/core">
<body>
<ui:composition template="./layouts/anonymous.xhtml">
<ui:define name="left_side">
<h:form>
<div>
<h:inputText class="form-control" id="username" value="#{loginController.username}" />
<h:outputLabel value="User Name:" />
</div>
<div class="form-group">
<h:inputSecret class="form-control" id="password" value="#{loginController.password}" />
<h:outputLabel value="Password:" />
</div>
<br />
<div>
<h:commandButton class="btn btn-primary btn-raised" action="#{loginController.logUserIn()}" value="Login" >
<f:ajax />
</h:commandButton>
</div>
</h:form>
</ui:define>
<ui:define name="right_side">
<h:messages />
</ui:define>
</ui:composition>
</body>
</html>
- 1.8.0_45 JDK
- Glassfish 4.1（最新版本）
- Maven 3.3.3
- NetBeans 8.0.2
- MS SQL 2012
- Maven企业应用程序
- 2个EJB
- 1 WAR（Glassfish提供的JSF2.2库）
- 耳部署
<?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:ui="http://xmlns.jcp.org/jsf/facelets"
xmlns:h="http://xmlns.jcp.org/jsf/html"
xmlns:f="http://xmlns.jcp.org/jsf/core">
<body>
<ui:composition template="./layouts/anonymous.xhtml">
<ui:define name="left_side">
<h:form>
<div>
<h:inputText class="form-control" id="username" value="#{loginController.username}" />
<h:outputLabel value="User Name:" />
</div>
<div class="form-group">
<h:inputSecret class="form-control" id="password" value="#{loginController.password}" />
<h:outputLabel value="Password:" />
</div>
<br />
<div>
<h:commandButton class="btn btn-primary btn-raised" action="#{loginController.logUserIn()}" value="Login" >
<f:ajax />
</h:commandButton>
</div>
</h:form>
</ui:define>
<ui:define name="right_side">
<h:messages />
</ui:define>
</ui:composition>
</body>
</html>
javax.faces.FacesException:#{loginController.logUserIn（）}:javax.ejb.EJBException<?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:ui="http://xmlns.jcp.org/jsf/facelets">
<head>
<title>Learning Resource Mapping Utility</title>
... <!-- stylesheets loaded here -->
</head>
<body>
<ui:insert name="left_side"></ui:insert>
<ui:insert name="right_side"></ui:insert>
</body>
</html>
package org.eta.lrm.controllers;
import javax.inject.Named;
import javax.enterprise.context.SessionScoped;
import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ejb.EJB;
import javax.faces.context.FacesContext;
import javax.persistence.PersistenceException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import org.eta.lrm.entities.Person;
import org.eta.web.util.JsfUtil;
@Named(value = "loginController")
@SessionScoped
public class LoginController implements Serializable {
private static final long serialVersionUID = 2701463947668608540L;
@EJB
private org.eta.lrm.models.PersonFacadeLocal userFacade;
private String username;
private String password;
private Person user;
private boolean authenticated = false;
//<editor-fold defaultstate="collapsed" desc="PROPERTIES">
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 Person getUser() {
return user;
}
public void setUser(Person user) {
this.user = user;
}
public boolean isAuthenticated() {
return authenticated;
}
public void setAuthenticated(boolean authenticated) {
this.authenticated = authenticated;
}
//</editor-fold>
public String logUserIn() {
// set a default result to return
String result = "/login";
try {
this.user = userFacade.findByUsername(username);
} catch (PersistenceException pEx) {
Logger.getLogger(LoginController.class.getName()).log(Level.SEVERE, null, pEx);
JsfUtil.addErrorMessage("Username not found, please try again.");
return result;
}
FacesContext context = FacesContext.getCurrentInstance();
HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();
try {
request.login(this.getUsername(), this.getPassword());
this.authenticated = true;
result = "/staff/dashboard?faces-redirect=true";
} catch (ServletException ex) {
Logger.getLogger(LoginController.class.getName()).log(Level.SEVERE, null, ex);
JsfUtil.addErrorMessage("Login failed, please try again.");
result = "/login";
}
// redirect user to the result destination
return result;
}
}
使用
Caused by: javax.persistence.NoResultException: getSingleResult() did not retrieve any entities.
at org.eclipse.persistence.internal.jpa.QueryImpl.throwNoResultException(QueryImpl.java:972)
at org.eclipse.persistence.internal.jpa.QueryImpl.getSingleResult(QueryImpl.java:522)
at org.eclipse.persistence.internal.jpa.EJBQueryImpl.getSingleResult(EJBQueryImpl.java:400)
at org.eta.lrm.models.PersonFacade.findByUsername(PersonFacade.java:40)
事实上，您的问题是afaics的副本（如果您试图找出此特定异常发生的原因，您可能会发现此问题（我们将返回阅读stacktraces；-）发布完整的stacktrace，请从您的帖子中删除所有不相关的代码。像所有javascript加载之类的事情。。。我已经做了建议的更改。然而，我最初发布了所有这些，因为我没有问题让其他网站使用；只是不是这个。所以我认为这是我放在错误的区域或其他格式问题。谢谢你的反馈，但这不是问题所在。我想问的是，为什么将
headjavax.persistence.NoResultException