摘要：错误现象：页面使用ajax验证出现返回的响应为乱码“？？？？？？”。错误原因：没有正确使用spring框架的编码过滤器。<!-- 定义编码过滤器 --> <filter> <filter-name>encodingFilter</filter-name> <filter-class> org.springframework.web.filter.CharacterEncodingFilter </filter-class> <init-param> <param-name>encoding</ 阅读全文

摘要：严重: Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.ClassFormatError: Il 阅读全文