SpringMVCDemo
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This is a demo of my spring mvc project.
@RequestMapping(value = "/admin/users", method = RequestMethod.GET) public String getUsers(ModelMap modelMap) throws JsonProcessingException { List userList = userRepository.findAll(); ObjectMapper mapper = new ObjectMapper(); System.out.println(mapper.writeValueAsString(userList)); //这里会失败 ``` modelMap.addAttribute("userList", userList); return "admin/users"; }...
在mysqql5.5以上版本连接数据库要加上进行ssl连接,但是不知道怎么在persistence.xml中添加
您好,我想请问一下您我的persistence.xml里面数据库的连接驱动写的就是跟我数据库配置的一样,但它就是标红,然后运行之后报以下错误 08-Aug-2016 17:11:09.947 INFO [http-nio-8080-exec-1] org.hibernate.jpa.internal.util.LogHelper.logPersistenceUnitInformation HHH000204: Processing PersistenceUnitInfo [ name: defaultPersistenceUnit ...]
报这样的错 HTTP Status 500 - Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [PRIMARY]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement 这是什么原因
修改数据的时候sql语句从控制台输出了,但是数据库数据并没有更改 ``` Hibernate: update mvc_test.dbo.mvc_user set nickname=?, first_name=?, last_name=?, password=? where id=? ``` 问题应该出在哪? “?“的地方是不是应该有值的,但是没传过去?
Bumps [spring-webmvc](https://github.com/spring-projects/spring-framework) from 4.2.6.RELEASE to 5.2.20.RELEASE. Release notes Sourced from spring-webmvc's releases. v5.2.20.RELEASE :star: New Features Restrict access to property paths on Class references #28262 Improve diagnostics in SpEL for...