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spring 注入失败
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext-*.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/profiles/applicationContext.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<display-name>CloudServpage</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>
applicationContext.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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">
<!-- Definition of View Resolver -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass">
<value>org.springframework.web.servlet.view.JstlView</value>
</property>
<property name="prefix">
<value>/WEB-INF/web/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
<!-- 定义映射 -->
<bean id="urlMapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="login.do">loginAction</prop>
<prop key="userList.do">loginAction</prop>
<prop key="addUser.do">loginAction</prop>
<prop key="updateUser.do">loginAction</prop>
<prop key="roleList.do">roleAction</prop>
<prop key="addRole.do">roleAction</prop>
<prop key="houseList.do">houseAction</prop>
<prop key="addHouse.do">houseAction</prop>
<prop key="updateHouse.do">houseAction</prop>
</props>
</property>
</bean>
<!-- 定义控制器 -->
<bean id="loginAction" class="com.cloud.action.LoginAction"></bean>
<bean id="roleAction" class="com.cloud.action.RoleAction"></bean>
<bean id="houseAction" class="com.cloud.action.HouseAction"></bean>
</beans>
applicationContext-ibatis.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- spring 整和ibatis spring的配置 -->
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<!-- jndi数据源配置 -->
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName">
<value>java:comp/env/jdbc/CloudServpage</value>
</property>
</bean>
<!-- 配置事务管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 配置事务通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="create*" rollback-for="Exception" />
<tx:method name="delete*" rollback-for="Exception" />
<tx:method name="save*" rollback-for="Exception" />
<tx:method name="insert*" rollback-for="Exception" />
<tx:method name="update*" rollback-for="Exception" />
<tx:method name="del*" rollback-for="Exception" />
<tx:method name="cost*" rollback-for="Exception" />
<tx:method name="add*" rollback-for="Exception"/>
<tx:method name="modify*" rollback-for="Exception"/>
<tx:method name="remove*" rollback-for="Exception"/>
<tx:method name="*" read-only="true" rollback-for="Exception" />
</tx:attributes>
</tx:advice>
<!-- 事物配置 -->
<aop:config>
<aop:pointcut id="operation" expression="execution(* com.cloud.business.*.*(..))" />
<aop:advisor pointcut-ref="operation" advice-ref="txAdvice" />
</aop:config>
<!-- 配置iBatis的sqlMapClient 下面的 springSqlMapConfig.xml 是指定用来与spring整合的ibatis的配置文件
用来与spring整合的ibatis的配置文件的配置内容与单独使用ibatis时的配置 有所不同。详见具体的ibatis配置文件 -->
<bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
<property name="dataSource">
<ref local="dataSource" />
</property>
<property name="configLocation">
<value>classpath:springSqlMapConfig.xml</value>
</property>
</bean>
<!-- 根据sqlMapClien获取一个SqlMapClient模版-->
<bean id="sqlMapClientTemplate" class="org.springframework.orm.ibatis.SqlMapClientTemplate">
<property name="sqlMapClient">
<ref bean="sqlMapClient" />
</property>
</bean>
<!-- 添加ibatis支持 抽象类 -->
<bean id="sqlMapClientDaoSupport"
class="org.springframework.orm.ibatis.support.SqlMapClientDaoSupport"
abstract="true">
<property name="dataSource" ref="dataSource"></property>
<property name="sqlMapClient" ref="sqlMapClient"></property>
<property name="sqlMapClientTemplate" ref="sqlMapClientTemplate"></property>
</bean>
</beans>
applicationContext-beans.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:jee="http://www.springframework.org/schema/jee"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<!-- dao -->
<bean id="housedao" class="com.cloud.dao.SysHouseDAOImpl" parent="sqlMapClientDaoSupport">
</bean>
<!-- business -->
<bean id="housebusiness" class="com.cloud.business.HouseBusinessImpl">
<property name="housedao" ref="housedao" />
</bean>
<!-- Action Definition -->
<bean id="loginAction" class="com.cloud.action.LoginAction">
<property name="housebusiness" ref="housebusiness" />
</bean>
</beans>
以上是我的spring配置文件
下面是action 使用 对象时，发现对象没有注入，HouseBusiness为null。
public class LoginAction extends MultiActionController {
private HouseBusiness housebusiness;
public HouseBusiness getHousebusiness() {
return housebusiness;
}
public void setHousebusiness(HouseBusiness housebusiness) {
this.housebusiness = housebusiness;
}
ibatis也注入失败
严重: Servlet.service() for servlet dispatcherServlet threw exception
java.lang.IllegalArgumentException: No SqlMapClient specified
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext-*.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/profiles/applicationContext.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<display-name>CloudServpage</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>
applicationContext.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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">
<!-- Definition of View Resolver -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass">
<value>org.springframework.web.servlet.view.JstlView</value>
</property>
<property name="prefix">
<value>/WEB-INF/web/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
<!-- 定义映射 -->
<bean id="urlMapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="login.do">loginAction</prop>
<prop key="userList.do">loginAction</prop>
<prop key="addUser.do">loginAction</prop>
<prop key="updateUser.do">loginAction</prop>
<prop key="roleList.do">roleAction</prop>
<prop key="addRole.do">roleAction</prop>
<prop key="houseList.do">houseAction</prop>
<prop key="addHouse.do">houseAction</prop>
<prop key="updateHouse.do">houseAction</prop>
</props>
</property>
</bean>
<!-- 定义控制器 -->
<bean id="loginAction" class="com.cloud.action.LoginAction"></bean>
<bean id="roleAction" class="com.cloud.action.RoleAction"></bean>
<bean id="houseAction" class="com.cloud.action.HouseAction"></bean>
</beans>
applicationContext-ibatis.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- spring 整和ibatis spring的配置 -->
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<!-- jndi数据源配置 -->
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName">
<value>java:comp/env/jdbc/CloudServpage</value>
</property>
</bean>
<!-- 配置事务管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 配置事务通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="create*" rollback-for="Exception" />
<tx:method name="delete*" rollback-for="Exception" />
<tx:method name="save*" rollback-for="Exception" />
<tx:method name="insert*" rollback-for="Exception" />
<tx:method name="update*" rollback-for="Exception" />
<tx:method name="del*" rollback-for="Exception" />
<tx:method name="cost*" rollback-for="Exception" />
<tx:method name="add*" rollback-for="Exception"/>
<tx:method name="modify*" rollback-for="Exception"/>
<tx:method name="remove*" rollback-for="Exception"/>
<tx:method name="*" read-only="true" rollback-for="Exception" />
</tx:attributes>
</tx:advice>
<!-- 事物配置 -->
<aop:config>
<aop:pointcut id="operation" expression="execution(* com.cloud.business.*.*(..))" />
<aop:advisor pointcut-ref="operation" advice-ref="txAdvice" />
</aop:config>
<!-- 配置iBatis的sqlMapClient 下面的 springSqlMapConfig.xml 是指定用来与spring整合的ibatis的配置文件
用来与spring整合的ibatis的配置文件的配置内容与单独使用ibatis时的配置 有所不同。详见具体的ibatis配置文件 -->
<bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
<property name="dataSource">
<ref local="dataSource" />
</property>
<property name="configLocation">
<value>classpath:springSqlMapConfig.xml</value>
</property>
</bean>
<!-- 根据sqlMapClien获取一个SqlMapClient模版-->
<bean id="sqlMapClientTemplate" class="org.springframework.orm.ibatis.SqlMapClientTemplate">
<property name="sqlMapClient">
<ref bean="sqlMapClient" />
</property>
</bean>
<!-- 添加ibatis支持 抽象类 -->
<bean id="sqlMapClientDaoSupport"
class="org.springframework.orm.ibatis.support.SqlMapClientDaoSupport"
abstract="true">
<property name="dataSource" ref="dataSource"></property>
<property name="sqlMapClient" ref="sqlMapClient"></property>
<property name="sqlMapClientTemplate" ref="sqlMapClientTemplate"></property>
</bean>
</beans>
applicationContext-beans.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:jee="http://www.springframework.org/schema/jee"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<!-- dao -->
<bean id="housedao" class="com.cloud.dao.SysHouseDAOImpl" parent="sqlMapClientDaoSupport">
</bean>
<!-- business -->
<bean id="housebusiness" class="com.cloud.business.HouseBusinessImpl">
<property name="housedao" ref="housedao" />
</bean>
<!-- Action Definition -->
<bean id="loginAction" class="com.cloud.action.LoginAction">
<property name="housebusiness" ref="housebusiness" />
</bean>
</beans>
以上是我的spring配置文件
下面是action 使用 对象时，发现对象没有注入，HouseBusiness为null。
public class LoginAction extends MultiActionController {
private HouseBusiness housebusiness;
public HouseBusiness getHousebusiness() {
return housebusiness;
}
public void setHousebusiness(HouseBusiness housebusiness) {
this.housebusiness = housebusiness;
}
ibatis也注入失败
严重: Servlet.service() for servlet dispatcherServlet threw exception
java.lang.IllegalArgumentException: No SqlMapClient specified
...全文
当前发帖距今超过3年，不再开放新的回复
发表回复
ujquan 2015-11-15
看啊看，不懂就学学吧。
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wonderwall625 2015-11-15
<!-- 定义控制器 -->
<bean id="loginAction" class="com.cloud.action.LoginAction"></bean>
<!-- Action Definition -->
<bean id="loginAction" class="com.cloud.action.LoginAction">
<property name="housebusiness" ref="housebusiness" />
</bean>
冲突了吧？
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郗晓勇 2015-09-29
jumpheightway 2015-09-29
我很想知道你的文件之间有没有import
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MCJ_King 2015-09-25
你可以直接new一个啊 试一试 就能看出哪里的问题来了
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ding82727 2015-09-25
不是这个问题哦，问题是spring框架的依赖注入机制没起作用
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011100 2015-09-24
我之前遇到一次，类似，用的注解。最后原因是因为我在其他地方手动new了一个该dao的实例，所以，@Autowired便不起作用了，具体原因我也不知道，但是我发现后，将另外那个类里手动new的删掉，注入不了的问题就解决了
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ding82727 2015-09-24
54行的java代码就是上面30行的那个
SysHouse house = housebusiness.findHoseById(1);- 打赏
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ding82727 2015-09-24
下面是54行的java代码
public class LoginAction extends MultiActionController {
private HouseBusiness housebusiness;
public HouseBusiness getHousebusiness() {
return housebusiness;
}
public void setHousebusiness(HouseBusiness housebusiness) {
this.housebusiness = housebusiness;
}
/**
* 登陆
*
* @param request
* @param response
* @return
* @throws Exception
*/
public ModelAndView login(HttpServletRequest request,
HttpServletResponse response) throws Exception {
HttpSession session = request.getSession();
ModelAndView mv = new ModelAndView("main");
String userName = request.getParameter("username");
String userPwd = request.getParameter("password");
// housebusiness = new HouseBusinessImpl();
SysHouse house = housebusiness.findHoseById(1);
System.out.println(house.getOwnerName());- 打赏
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从小就很呆 2015-09-24
已经很明显了，你的dao集成了sqlMapClientDaoSupport，但是这个类，你没有给他定义bean，所以它找不到了
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ding82727 2015-09-24
没有异常信息啊，亲。就是spring的依赖注入没有成功对java对象实例化，项目可以运行，但是使用对象的时候发现空指针
下面是调用时候的异常
2015-9-24 9:33:19 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet dispatcherServlet threw exception
java.lang.NullPointerException
at com.cloud.action.LoginAction.login(LoginAction.java:53)
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 org.springframework.web.servlet.mvc.multiaction.MultiActionController.invokeNamedMethod(MultiActionController.java:471)
at org.springframework.web.servlet.mvc.multiaction.MultiActionController.handleRequestInternal(MultiActionController.java:408)
at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:620)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
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Defonds 2015-09-23
肉眼挑错？
你具体描述下啥问题
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ding82727 2015-09-23
自己顶一下，求人来帮忙看看我这是哪里配错了哇。。。。
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dw_java08 2015-09-23
把后台报的信息都贴出来看看
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风若飞 2015-09-23
你把抛出的异常发出来看下
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ding82727 2015-09-23
配置在这里了
主要是spring注入失败，下面的dao对象没有实例化
<!-- dao -->
<bean id="housedao" class="com.cloud.dao.SysHouseDAOImpl" parent="sqlMapClientDaoSupport">
</bean>
<!-- business -->
<bean id="housebusiness" class="com.cloud.business.HouseBusinessImpl">
<property name="housedao" ref="housedao" />
</bean>
<!-- Action Definition -->
<bean id="loginAction" class="com.cloud.action.LoginAction">
<property name="housebusiness" ref="housebusiness" />
</bean>
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心随自在飞 2015-09-23
代码太多， 我貌似没看到 dao 的 bean 和 service 的 bean 配置在哪
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ding82727 2015-09-23
spring注入ibatis 失败
java.lang.IllegalArgumentException: No SqlMapClient specified
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ding82727 2015-09-23
private HouseBusiness housebusiness;
public void setHousebusiness(HouseBusiness housebusiness) {
this.housebusiness = housebusiness;
}
这里，spring应该是给我吧这个HouseBusiness 对象实例化了，但是现在情况是没有，该对象还是null。
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java注入资源失败_Spring注入失败 尽管书看了厚厚一本，但实际用起来，还是经常会碰到一些问题。再次一一进行记录。...}这时，c想用注入了B的A，则A也要在C中依靠Spring进行注入把A也设置成一个beanclass C{@AutowiredA a；}而不能去new一个A，...
java注入资源失败_spring注入失败 Injection of resource dependencies failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'visitCopyRightSubjectService': Injection of resource dependencies failed; nested exception is org.springframewor...
跨包注入失败_引入第三方包 @Autowired Spring注入失败解决方案 引入第三方包 @Autowired Spring注入失败解决方案引入第三方包 @Autowired Spring注入失败解决方案一、问题背景开发工程中，我负责的微服务需要依赖中台服务层，在调用该服务的功能接口时，@Autowired 注入方式启动...
解决：Spring启动时注入失败 在Spring启动时会帮我们自动装配一些组件，依赖注入，此时如果项目中自己定义的类名有相同的，或者自己定义的类名与引入的第三方包有相同的，就会引发冲突，原因是Spring在帮我们管理这些Bean时不知道使用的到底是哪...
java 线程类注入失败_多线程中使用Spring的注入问题 在开发中经常会使用 Spring 的@Autowired 来实现对象的自动注入，但是在最近的开发中在多线程中用 Spring 的@Autowired 来自动注入时总是注入不进去，代码如下：Java 代码packagecom.common.base.utils.SpringUtils;...
springCloud---jar包@Autowired注入失败，及idea @SpringBootApplication already applies given @ComponentScan错误 文章目录前言一、配置@ComponentScan二、配置idea 前言 在进行微服务项目的时候，我们往往需要引入自定或者第三方...就会导致spring无法帮我们自动扫描注入，这可能也是一直做单体项目养成的坏习惯。 一、配置@Compo
spring的bean不能注入的几种原因及分析 2、在web.xml里没有加载spring容器。 3、分布式工程，使用dubbo或者hsf通信，在服务层，或者消费层，单词写错了。 4、还有一种可能，有可能是pom 里的jar包冲突。 5、从ApplicationContext 获取bean的时候getBean...
SpringAOP导致@Autowired依赖注入失败 用springAOP做操作日志记录,发现：方法为private修饰的，在AOP适配的时候会导致service注入失败，但是同一个service其他的public方法正常 public static boolean canApply(Pointcut pc, Class targetClass, boolean ...
SSH，spring注入bean为null，即注入失败解决方案 spring是个甲骨文式很严重的框架（个人认为），越是整合越多的东西，对代码方面就越严格。我整合了所有可能出错的问题，如下： 1.web配置 加入spring文件路径，这里的applicationContext是spring配置文件名，有些...
spring quartz定时 注入失败 <?xml version="1.0" encoding="UTF-8" ?> <beans xmlns=...xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.o...
java service注入失败,项目的controller service注入失败 部分报错如下:四月 23, 2018 9:47:35 下午 org.springframework.web.context.ContextLoader initWebApplicationContext严重: Context initialization failedorg.springframework.beans.factory....
spring boot线程里bean注入失败 在多线程处理问题时，无法通过@Autowired注入bean，报空指针异常，在线程中为了线程安全，是防注入的，如果要用到这个类，只能从bean工厂里拿个实例。spring boot 无法管理new 出来的对象里面的bean。 解决方法如下...
普通java类注入dao失败_spring mvc 整合mybatis dao接口注入失败 错误信息：严重: StandardWrapper.Throwableorg.springframework.beans.factory.BeanCreationException: Error creating bean with name'userController': Injection of autowired dependencies failed; nested ...
踩坑：Spring静态变量/构造函数注入失败（注入为null）问题的解决方案 1、案例1：Spring对静态变量的注入为空 案例代码如下： @Component public class HelloWorld { /** * 错误案例：这种方式是不能给静态变量注入属性值的 */ @Value("${hello.world}") public static String ...
Spring Bean注入不成功 bean注入不成功 Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type '' available: expected at least 1 bean which qualifies as autowire candidate. ...
jsp给前端注入值失败_Spring将子类自动注入父类失败 } } 上面index方法中，初始化的时候使用断点显示logindo是自动注入成功的，显示的是子类的字段，但是之后从页面jsp跳转过来后，注入失败，显示的只有父类的两个字段，而且强转失败java.lang.ClassCastException，...
