几种常见异常

1、
现象：
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/hibernate/cfg/AnnotationConfiguration
分析：

解决：
<dependency>
  <groupId>org.hibernate</groupId>
   <artifactId>hibernate-annotations</artifactId>
   <version>3.3.0.ga</version>
</dependency>

2、
现象：
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/hibernate/annotations/common/reflection/ReflectionManager
解决：
<dependency>
  <groupId>org.hibernate</groupId>
  <artifactId>hibernate-commons-annotations</artifactId>
  <version>3.3.0.ga</version>
</dependency>