红帽全球峰会1.7. 错误处理程序代码
当插件通过 Cryostat 注册插件时，可插拔发现 API 会返回消息。
当处理程序试图根据 GET 和 POST 请求注册带有 Cryostat 的插件时，处理程序可以返回以下消息类型：
-
200：处理程序成功完成任务。例如，DiscoveryDeregistrationHandler返回 JSON 格式的消息，带有消息的id元素中定义的 unregistered 插件。 -
400：JSON 文档结构无效，或者id元素采用无效格式编写。 -
401: 插件没有传递授权标题步骤进行注册。如果令牌已过期或您取消注册了插件，处理程序也会返回这个错误消息。 -
404: 插件id元素未找到。插件可能具有回调检查失败。考虑重新注册插件。
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