Unknown system variable 'tx_read_only'
SpringMVC+SpringDataJPA(1.4.2.RELEASE)+hibernate(4.2.7)+mysql6.0的开发环境，mysql-connector要older than5.1.23,才可以调用jpa的delete方法，不让就会报这个错误:Unknown system variable 'tx_read_only'.
SpringMVC+SpringDataJPA(1.4.2.RELEASE)+hibernate(4.2.7)+mysql6.0的开发环境，mysql-connector要older than5.1.23,才可以调用jpa的delete方法，不让就会报这个错误:Unknown system variable 'tx_read_only'.
