jdl 文件生成项目报错

执行 jhipster import-jdl xxx.jh --debug 报以下错误

Using JHipster version installed globally
Debug logging is on
DEBUG!  Executing CLI only script
DEBUG!  cmd: import-jdl from ./import-jdl
DEBUG!  args: jhipster-meeting.jh, commands: Object, options: Object, _execs: Object, _allowUnknownOption: true, _args: Object, _name: import-jdl, _noHelp: false, parent: Object, _description: Create entities from the JDL file passed in argument, _argsDescription: undefined, _events: Object, _eventsCount: 1
Executing import-jdl jhipster-meeting.jh
Options: debug: true, from-cli: true
DEBUG!  JDLProcessor started with jdlFiles: jhipster-meeting.jh and options: debug: true, from-cli: true
The JDL is being parsed.
DEBUG!  Error:
Error: The JDL object and the database type are both mandatory.
ERROR! Error while parsing applications and entities from the JDL Error: The JDL object and the database type are both mandatory.
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解决办法：项目中缺少生成项目的 .yo-rc.json 文件，将其加入到项目根目录即可