异常记录
spring 环境下做一个保存操作时，抛出如下异常：
org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.MANUAL): Turn your Session into FlushMode.COMMIT/AUTO or remove 'readOnly' marker from transaction definition.
<!-- 配置事务特性 -->
<tx:advice id="txAdviceBHO" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="save*" propagation="REQUIRED" /> <tx:method name="update*" propagation="REQUIRED" /> <tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="*" read-only="true" propagation="NEVER"/> </tx:attributes></tx:advice>
