为什么我不能使用Grails rest-client-builder插件将JSON主体附加到GET请求

Question

执行此操作后，尝试访问我的REST端点request.JSON为空：

RestResponse response = rest.get("http://localhost:8080/${grailsApplication.metadata.'app.name'}/ws/question") {
    json([
        occurrenceId: 'f6f8a9b8-4d52-49c3-9352-155f154fc96c',
        userId: userKeef.alaUserId,
        tags: 'octopus, orange',
        comment: 'whatever'
    ])
}

但它适用于POST请求：rest.post(...