Error creating bean with name 'mySessionFactory' defined in class path resource [applicationContext.xml]: Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: org/springframework/jdbc/support/SQLExceptionTranslator
Caused by: java.lang.NoClassDefFoundError: org/springframework/jdbc/support/SQLExceptionTranslator
这是什么错误,是不是包得问题,如果是到底需要那些包不需要哪些包,请指教