log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment). log4j:WARN Please initialize the log4j system properly. Exception in thread "main" org.hibernate.TypeMismatchException: Provided id of the wrong type for class po…

今天在使用SSH框架做项目的时候出现了这个错误,找了我非常非常多的时间!!!!!!! Struts Problem Report Struts has detected an unhandled exception: Messages: 1.Provided id of the wrong type for class zhongfucheng.user.entity.User. Expected: class java.lang.String, got class zhongfucheng.u…

出现org.hibernate.TypeMismatchException: Provided id of the wrong type for class cn.itcast.entity.User. Expected: class java.lang.String, got class java.lang.Integer at org.hibernate.event.internal.DefaultLoadEventListener.checkIdClass(DefaultLoadEvent…

今天上生产发现warn日志有异常,就查看了下: 2018-12-05 10:05:05.666 [pool-4-thread-1] ERROR org.springframework.batch.core.step.AbstractStep[229]: Encountered an error executing step cdcCommonFriendsStep in job cdcCommonFriendsJob org.springframework.dao.InvalidDataAcce…

org.apache.catalina.core.ApplicationDispatcher invoke SEVERE: Servlet.service() for servlet jsp threw exception javax.el.ELException: Cannot convert 0 of type class java.lang.Integer to class java.lang.Boolean at org.apache.el.lang.ELSupport.coerceTo…

在使用代理的时候, BViewController *BVC = [[BViewController alloc]init]; self.delegate = BVC; 出现这样的警告Assigning to 'id<XXXDelegate>' from incompatible type 'BViewController *__strong' 解决方案: #import "BViewController.h" @interface BViewController ()&l…

问题描述: 1. 后台返回到JSP前台的的list,在jsp页面使用EL表达式遍历时出现如下问题:javax.el.PropertyNotFoundException: Property 'ID' not found on type java.lang.String 2. ID在是int类型.需要在jsp页面把ID转为String类型. 3. 转换的方法为:${item[fn:trim(u.id)]} 需要在页面引入: <%@ taglib uri="http://java.sun.com…

类: Integer id; 反射时: Field f = User.class.getDeclaredField("id"); f.setAccessible(true); int s = f.getInt(u); 这样会报错: java.lang.IllegalArgumentException: Attempt to get java.lang.Integer field "..." with illegal data type conversion to i…

题记:以前记录过一些自己遇到的BUG,这个行为,让我一看报错的提示信息就能定位到问题的所在,后来记得比较多了,好多是重复性的再加上比较忙就没有详细的记录了,今天的工作量比较小,就顺便记录一下,以便以后更快的解决此类问题. BUG的报错信息如下所示: org.springframework.dao.InvalidDataAccessApiUsageException: Parameter value [41] did not match expected type [java.lang.Integ…

今天在使用Spring Template的时候遇到了这个异常: no suitable HttpMessageConverter found for request type [java.lang.Integer] Google了一下然后在stackoverflow上面找到了解决方案: I have a method in Spring rest service. @RequestMapping(value = "test/process", method = RequestMetho…