从JDL文件jhipster解析实体时出错

Question

我使用JDL Studio创建文件没有错误，但是使用jhipster cli导入文件时出现以下错误：

Using JHipster version installed locally in current project's node_modules Executing jhipster:import-jdl ./thearthacker-jdl.jh
Options:
The jdl is being parsed.
events.js:182
      throw er; // Unhandled 'error' event
      ^
Error: ERROR!
Error while parsing entities from JDL
    at Environment.error (E:\web_project\_PROJECT\thearthackers\node_modules\yeoman-environment\lib\environment.js:140:40)
    at constructor.error (E:\web_project\_PROJECT\thearthackers\node_modules\generator-jhipster\generators\generator-base.js:1686:18)
    at constructor.parseJDL (E:\web_project\_PROJECT\thearthackers\node_modules\generator-jhipster\generators\import-jdl\index.js:108:22)
    at Object. (E:\web_project\_PROJECT\thearthackers\node_modules\yeoman-generator\lib\index.js:417:23)
    at E:\web_project\_PROJECT\thearthackers\node_modules\run-async\index.js:25:25
    at Promise ()
    at E:\web_project\_PROJECT\thearthackers\node_modules\run-async\index.js:24:19
    at E:\web_project\_PROJECT\thearthackers\node_modules\yeoman-generator\lib\index.js:418:9
    at runCallback (timers.js:781:20)
    at tryOnImmediate (timers.js:743:5)

这是我的JDL文件：

entity Video {
    name String required,
    type String required,
    url String required,
    quality String,
   description String required,
    submissionDate ZonedDateTime required
}
entity Picture {
    name String required minlength(3),
    type String required,
    url String required,
    size String,
    description String,
    submissionDate ZonedDateTime required
}

entity Blog {
    name String required minlength(3),
}

entity Entry {
    title String required,
    content String required,
    date ZonedDateTime required
}

entity Tag {
    name String required minlength(2)
}


relationship ManyToMany {
    Entry{tag(name)} to Tag{entry}
}

relationship ManyToMany {
    Picture{tag(name)} to Tag{Picture}
}

relationship ManyToMany {
    Video{tag(name)} to Tag{Video}
}

relationship ManyToMany {
    Blog{tag(name)} to Tag{Blog}
}

relationship ManyToMany {
    User{tag(name)} to Tag{User}
}

relationship ManyToOne {
    Video{video} to User
}

relationship ManyToOne {
    Picture{video} to User
}

relationship ManyToOne {
    Blog{video} to User
}

relationship ManyToOne {
    Entry{video} to Blog
}

paginate Entry, Tag with infinite-scroll

dto * with mapstruct

任何想法 ？

感谢帮助。

Answer 1

我刚刚尝试了您的JDL并收到以下错误消息：

IllegalAssociationException: Relationships from User entity is not supported in the declaration between User and Tag.

请注意，我正在使用当前的开发分支，因此我收到一条您可能没有的错误消息（您没有提供您的版本号，但是最近进行了改进）。

这意味着您无法与User实体建立关系，因为它无法被JDL修改-这是特定于User实体的。 您可以在关系文档中找到更多信息。

有几种解决方案：您可以与用户建立一对一关系，并拥有另一个通过JDL管理的实体。 或者，您可以手动修改User实体（有些人将其子类化，然后使用该子类，以便不更改User）。