The server encountered an internal error () that prevented it from fulfilling th

spring的applicationContext.xml
改之前无法删除数据

	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>
			<tx:method name="save*" propagation="REQUIRED" />
			<tx:method name="del*" propagation="REQUIRED" />
			<tx:method name="update*" propagation="REQUIRED" />
			<tx:method name="*" read-only="true" />
		</tx:attributes>

把del*改成delete*
改之后

	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>
			<tx:method name="save*" propagation="REQUIRED" />
			<tx:method name="delete*" propagation="REQUIRED" />
			<tx:method name="update*" propagation="REQUIRED" />
			<tx:method name="*" read-only="true" />
		</tx:attributes>