spring-无法将类型“ java.util.ArrayList”的属性值转换为属性“ annotatedClasses”的必需类型[java.lang.Class []]

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我的Spring bean数据库连接myDataSource如下.我正在例外
我该如何解决这个例外. RoomUser的位置正确.
我尝试更改标签,但现在使用.

        
        
        
        
    

  1. <bean id="mySessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionfactorybean">
  2. <property name="dataSource" ref="myDataSource" />
  3. <property name="annotatedClasses">
  4. <list>
  5. <value>com.room.user.beans.RoomUser</value>
  6. <value>com.room.user.beans.RoomUserType</value>
  7. </list>
  8. </property>
  9. <property name="hibernateProperties">
  10. <props>
  11. <prop key="hibernate.dialect">org.hibernate.dialect.MysqLDialect</prop>
  12. <prop key="hibernate.show_sql">true</prop>
  13. </props>
  14. </property>
  15. </bean>

例外是:

  1. org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mySessionFactory' defined in ServletContext resource [/WEB-INF/dispatcher-servlet.xml]: Initialization of bean Failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type [java.util.ArrayList] to required type [java.lang.Class[]] for property 'annotatedClasses'; nested exception is java.lang.IllegalArgumentException: Cannot find class [com.room.user.beans.RoomUser]
  2. at org.springframework.beans.factory.support.AbstractAutowireCapablebeanfactory.doCreateBean(AbstractAutowireCapablebeanfactory.java:483)
  3. at org.springframework.beans.factory.support.AbstractAutowireCapablebeanfactory$1.run(AbstractAutowireCapablebeanfactory.java:412)
  4. at java.security.AccessController.doPrivileged(Native Method)
  5. at org.springframework.beans.factory.support.AbstractAutowireCapablebeanfactory.createBean(AbstractAutowireCapablebeanfactory.java:383)
  6. at org.springframework.beans.factory.support.Abstractbeanfactory$1.getObject(Abstractbeanfactory.java:276)
  7. at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
  8. at org.springframework.beans.factory.support.Abstractbeanfactory.doGetBean(Abstractbeanfactory.java:273)
  9. at org.springframework.beans.factory.support.Abstractbeanfactory.getBean(Abstractbeanfactory.java:175)
  10. at org.springframework.beans.factory.support.DefaultListablebeanfactory.preInstantiateSingletons(DefaultListablebeanfactory.java:479)
  11. at org.springframework.context.support.AbstractApplicationContext.finishbeanfactoryInitialization(AbstractApplicationContext.java:716)
  12. at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:377)
  13. at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:427)
  14. at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:341)
最佳答案
仅模型类存在问题. spring无法在您的application-context.xml文件中找到类RoomUser

  1. <list>
  2. <value>com.room.user.beans.RoomUser</value>
  3. <value>com.room.user.beans.RoomUserType</value>
  4. </list>

我也面临着同样的问题.检查RoomUser是否包装正确?

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