At least one JPA metamodel must be present!
使用spring jpa是一直报这个错，找了两天网上没有找到答案，最后发现时配置配错了，如下： ...
原文：At least one object must implement IComparable
中文：必须至少有一个对象实现 IComparable。 序列排序时报这个错误 在LINQ to SQL Entity中可以这么用，LINQ Object 不能这么用，因为new r.DepartmentName, r.ReportNo 这个匿名对象没有实现IComparable接口，也无法实现这个接口 其实多字段排序用 ThenBy ThenByDescending 就可以： lstReports ...
2016-02-16 16:21 0 2109 推荐指数：
相关推荐
yarn出现“There are no scenarios ; must have at least one"
错误信息:“There are no scenarios ; must have at least one" 背景:在将vscode自动化构建编译打包时出现这种情况，主要是执行yarn这一步出现的。 本次这个另外的虚拟机环境有点乱，主要体现为版本不统一(比如node.js要求为8.12.0 ...
Form-encoded method must contain at least one @Field.
: Form-encoded method must contain at least one @Field. ...
You must give at least one requirement to install (see "pip help install")
语言: python why? install 后面没有参数，也就是说没有给想要安装的包 way? pip install 后面要跟想要安装的包名 ...
springboot+mybatis启动报错java.lang.IllegalArgumentException: At least one base package must be specified
springboot+mybaties启动报错java.lang.IllegalArgumentException: At least one base package must be specified，如图： 这个错需要在启动类上加@MapperScan来配置扫描Mapper ...
ERROR: No pool defined. at least one pool section must be specified in config file
root@ubuntu:/opt/php7# /opt/php7/sbin/php-fpm [22-Sep-2015 14:29:00] WARNING: Nothing matches the in ...
ERROR: No pool defined. at least one pool section must be specified in config file
root@ubuntu:/opt/php7# /opt/php7/sbin/php-fpm [22-Sep-2015 14:29:00] WARNING: Nothing matches the ...
igmpproxy启动时错误：There must be at least 2 Vif's where one is upstream.
openwrt 下启动igmpproxy时报错 # /etc/init.d/igmpproxy start Not starting instance igmpproxy::instance1, ...