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저는 Spring 3 및 Spring Security를 사용하는 프로젝트에서 작업하고 있습니다. 내 문제는 IoC 컨테이너입니다. Spring Security-3에 대한 UserDetailsService의 구현을 직접 작성했을 때 문제가 시작되었습니다. 나는 다른 질문들을 점검했지만 여전히 문제를 해결할 수 없었다. 문제의@Autowired 객체는 한 클래스에서 null 값을 얻고 다른 클래스는 성공적으로 연결됩니다.
정의는 다음과 같습니다
나는 두 개의 별도의 클래스를 (하나는 @Controller를 확장 UsersController.java 및 @Service를 확장 ProjectUserDetailsService입니다) 즉를 자동 설정할 수있는 공통의 객체를 사용합니다. 그러나 객체가 UsersController에서 성공적으로 자동 실행되는 동안이 클래스의 객체 (ProjectUserDetailsService)가 성공적으로 만들어졌지만 (디버깅으로 확인했습니다) null이 ProjectUserDetailsService 클래스에 있습니다.
제안 사항 해결 방법?
여기에 내 web.xml, project-servlet.xml 및 project-security.xml 개의 파일과 관련 클래스가 있습니다.
Web.xml`
<?xml version="1.0" encoding="UTF-8"?>
<!--
- Tutorial web application
-
-->
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
<display-name>Ecognitio with Spring Security</display-name>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/ecognitio-servlet.xml
/WEB-INF/ecognitio-security.xml
</param-value>
</context-param>
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>tutorial.root</param-value>
</context-param>
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.security.web.session.HttpSessionEventPublisher</listener-class>
</listener>
<servlet>
<servlet-name>ecognitio</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>project</servlet-name>
<url-pattern>*.action</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>project</servlet-name>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
project-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- Scans the classpath of this application for @Components to deploy as beans -->
<context:component-scan base-package="com.project" />
<!-- Configures the @Controller programming model -->
<mvc:annotation-driven />
<bean id="messageSource"
class="org.springframework.context.support.ResourceBundleMessageSource"
p:basename="Messages"/>
<!-- misc -->
<!-- <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
<property name="suffix" value=".jsp"/>
</bean> -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.UrlBasedViewResolver">
<property name="viewClass">
<value>
org.springframework.web.servlet.view.tiles2.TilesView
</value>
</property>
</bean>
<bean id="tilesConfigurer"
class="org.springframework.web.servlet.view.tiles2.TilesConfigurer">
<property name="definitions">
<list>
<value>/WEB-INF/tiles.xml</value>
</list>
</property>
</bean>
<!-- Configures Hibernate - Database Config -->
<import resource="db-config.xml" />
</beans>
project-security.xml
<?xml version="1.0" encoding="UTF-8"?>
<!--
- Sample namespace-based configuration
-
-->
<beans:beans xmlns="http://www.springframework.org/schema/security"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.1.xsd">
<debug />
<global-method-security pre-post-annotations="enabled">
<!-- AspectJ pointcut expression that locates our "post" method and applies security that way
<protect-pointcut expression="execution(* bigbank.*Service.post*(..))" access="ROLE_TELLER"/>
-->
</global-method-security>
<http pattern="/loggedout.jsp" security="none"/>
<http use-expressions="true" >
<intercept-url pattern="/secure/extreme/**" access="hasRole('ROLE_SUPERVISOR')"/>
<intercept-url pattern="/secure/**" access="isAuthenticated()" />
<!--
Allow all other requests. In a real application you should
adopt a whitelisting approach where access is not allowed by default
-->
<intercept-url pattern="/login.jsp*" access="isAuthenticated()==false"/>
<intercept-url pattern="/timeout.jsp*" access="isAuthenticated()==false"/>
<intercept-url pattern="/**" access="hasRole('ROLE_USER')" />
<!-- <intercept-url pattern="/**" access="permitAll" /> -->
<form-login login-page="/login.jsp" authentication-failure-url="/login.jsp?login_error=1" default-target-url="/dashboard.html" />
<logout logout-success-url="/login.jsp" delete-cookies="JSESSIONID"/>
<remember-me />
<!--
Uncomment to enable X509 client authentication support
<x509 />
-->
<!-- Uncomment to limit the number of sessions a user can have
<session-management invalid-session-url="/login.jsp">
<concurrency-control max-sessions="1" error-if-maximum-exceeded="true" />
</session-management>
-->
</http>
<!-- HERE IS WHERE I USE an object of ProjectUserDetailsService -->
<authentication-manager>
<authentication-provider user-service-ref="userDetailsService" />
</authentication-manager>
<!--
</beans:beans>
UsersController.java
package com.project.users;
//required imports
@Controller
public class UsersControllers
{
@Autowired
private UsersDAO usersDAO;
//Some more autowires and some class specific code
}
ProjectUserDetailsService.java 두 번째 빈은 project-servlet.xml에 규정 된 지정 콩 주석 패키지 구성 요소 스캔하지 않기 때문에
package com.project.security;
import java.util.ArrayList;
import java.util.Collection;
//required imports
@SuppressWarnings("deprecation")
@Service("userDetailsService")
public class ProjectUserDetailsService implements UserDetailsService {
@Autowired
private UsersDAO usersDAO;
@Autowired private Assembler assembler;
@Transactional(readOnly = true)
public UserDetails loadUserByUsername(String username)
throws UsernameNotFoundException, DataAccessException {
UserDetails userDetails = null;
//For debugging purposes
if(usersDAO==null){
System.out.println("DAO IS NULL");
System.out.println("DAO IS NULL");
System.out.println("DAO IS NULL");
}
User userEntity = usersDAO.findUserbyEmail("'"+username+"'");
if (userEntity == null)
throw new UsernameNotFoundException("user not found");
return assembler.buildUserFromUserEntity(userEntity);
}
}
'project-security.xml'에서'ProjectUserDetailsService'에 대한 언급이 전혀 없습니다. 실종 됐나요? – skaffman
ProjectUserDetailsService.java가 @Service ("userDetailsService")로 정의되었으므로 부트 스트랩에이 이름의 bean이 작성됩니다. 그래서 이것은 문제가 아닙니다. –