hibernate save数据的时候报错:ids for this class must be manually assigned before calling save()
来源:互联网 发布:网络控制器 编辑:程序博客网 时间:2024/05/19 18:14
保存数据的时候出错了,看一下主要是由于你的id生成策略的问题,也就是你数据库中设置的主键,在你的实体的映射文件(.hbm.xml)里改一下这里:
<generator class="identity"/>OK,就是这么简单的解决了问题,你如果操作成功了,记得评论一下,这样也可以帮助其他犯同样的错误的人哦................
0 0
- hibernate save数据的时候报错:ids for this class must be manually assigned before calling save()
- hibernate save数据的时候报错:ids for this class must be manually assigned before calling save()
- ids for this class must be manually assigned before calling save() hibernate
- org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save():
- Hibernate报错:XXX for this class must be manually assigned before calling save():
- Hibernate报错:XXX for this class must be manually assigned before calling save():
- Hibernate报错:XXX for this class must be manually assigned before calling save():
- 关于 error:ids for this class must be manually assigned before calling save(): 的解决方案
- message ids for this class must be manually assigned before calling save(): ID 的问题
- ids for this class must be manually assigned before calling save():***错误说明
- error:ids for this class must be manually assigned before calling save():
- error:ids for this class must be manually assigned before calling save()
- ids for this class must be manually assigned before calling save()
- error:ids for this class must be manually assigned before calling save():
- IdentifierGenerationException: ids for this class must be manually assigned before calling save()
- ids for this class must be manually assigned before calling save()..
- HibernateSystemException--ids for this class must be manually assigned before calling save()
- error:ids for this class must be manually assigned before calling save():
- 扩展KMP算法
- 基于smdk2410 开发板u-boot-1.2.0 nand flash读写操作及其命令的实现
- java启动结束其他进程
- 基于smdk2410 开发板u-boot-1.2.0 nand flash读写操作及其命令的实现(续)
- (转载)安全漏洞概念及分类
- hibernate save数据的时候报错:ids for this class must be manually assigned before calling save()
- NTC测温中 经典温度查表算法--二分查找法
- ant泛型编译问题解决及环境搭建
- Eclipse如何导入快捷键设置
- dell 服务器架构I/O高性能的SSD阵列曲折经历
- ant泛型编译问题解决及环境搭建
- 点覆盖集和点独立集
- 腾讯API文档
- ASP调用WEBSERVICE文档