hibernate4 org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure
2017-09-15 10:32
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其实只要看第一行就可以了 at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:244) ，就是在配置的时候没取到值。那么为什么没取到值呢，是因为Hibernate默认是使用jdbc方式来取的，如果使用连接池的方式的话，必须告诉Hibernate一声，让它不使用单纯的JDBC连接。加入下面这一句话就可以了。
<prop key="hibernate.temp.use_jdbc_metadata_defaults">false</prop>
<prop key="hibernate.temp.use_jdbc_metadata_defaults">false</prop>
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