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在编写邮件发送相关程序时，会报错！
Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/mail/util/LineInputStream
at javax.mail.Session.loadProvidersFromStream(Session.java:928)
at javax.mail.Session.access$000(Session.java:174)
at javax.mail.Session$1.load(Session.java:870)
a ...
自己搭了个SSH框架，dao层继承的HibernateDaoSupport 逻辑层调用dao层的update和delete方法都不生效，于是乎配置了下hibernateProperties 把sql语句打出来看看，
<property name="hibernateProperties"><!-- hibernate工具的配置 -->
<props>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.co ...