java.lang.NullPointerException at com.sunwave.action.privilege.UserAction.findUserPageInfo(UserAction.java:78)
省略N字
框架:SSH,service在Action中注入,配置文件如下:
<!--用户管理--> <bean id="userAction" class="com.sunwave.action.privilege.UserAction" scope="prototype"> <property name="userService" ref="userService"/> <property name="systemParameterService" ref="systemParameterService"></property> </bean> <bean id="userService" class="com.sunwave.service.impl.privilege.UserServiceImpl" parent="baseService"> <property name="roleService" ref="roleService"/> <property name="empService" ref="empService"/> <property name="systemParameterService" ref="systemParameterService"/> <property name="userDao"><ref bean="userDao"/></property> </bean> <bean id="userDao" class="com.sunwave.dao.impl.privilege.UserDaoHibImpl" parent="baseDAO"> </bean>
一般情况下,不会出现该错误,系统发布到公网后偶现,初步怀疑是高访问量的并发性错误,怀疑是否和service的单例模式有关,求解~~