spring工程报错：Unable to instantiate default tuplizer

不可否认，写xml经常性手抖是一种锻炼手部肌肉的好办法。

• 报错内容：

org.springframework.beans.factory.BeanCreationException:
Error creating bean with name ‘sessionFactory’ defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.
HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]

- 造成原因：

Caused by: org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]
Caused by: java.lang.reflect.InvocationTargetException
Caused by: org.hibernate.PropertyNotFoundException: Could not find a getter for stock in class spring.hibernate.entities.Book

• 解决办法：

1）可能是缺少javassist.jar包，需要导入该jar包。
2）查看hibernate映射entities类，检查映射字段是否完全匹配。

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• 写在后面：

Caused by: org.hibernate.PropertyNotFoundException: Could not find a getter for stock in class spring.hibernate.entities.Book

这里说是stock 的getter 方法找不到，我看了下都写了getter方法，
又检查了一下 .hbm.xml 文件，果然，是自己手抖了下：

这太明显了吧，就这，就这…
删了这两边的小空格，简单的错误就是这么容易解决。