Speech recognition Watson语音到文本-状态：401，错误：未经授权

我试图在聊天机器人中集成语音到文本服务，但收到标题中提到的错误。我只是使用了文档中描述的服务。他们将授权方式从用户名+密码更改为api密钥，对吗？ 这是我得到的错误：

Feb 26, 2019 11:18:38 AM okhttp3.internal.platform.Platform log
INFO: --> POST https://stream.watsonplatform.net/speech-to-text/api/v1/recognize http/1.1 (-1-byte body)
Feb 26, 2019 11:18:40 AM okhttp3.internal.platform.Platform log
INFO: <-- 401 Unauthorized https://stream.watsonplatform.net/speech-to-text/api/v1/recognize (2434ms, 37-byte body)
Feb 26, 2019 11:18:40 AM com.ibm.watson.developer_cloud.service.WatsonService processServiceCall
SEVERE: POST https://stream.watsonplatform.net/speech-to-text/api/v1/recognize, status: 401, error: Unauthorized
Exception in thread "AWT-EventQueue-0" com.ibm.watson.developer_cloud.service.exception.UnauthorizedException: Unauthorized: Access is denied due to invalid credentials. Tip: Did you set the Endpoint?
    at com.ibm.watson.developer_cloud.service.WatsonService.processServiceCall(WatsonService.java:368)
    at com.ibm.watson.developer_cloud.service.WatsonService$WatsonServiceCall.execute(WatsonService.java:429)
    at STTService.erkenneAudio(STTService.java:66)
    at GUI$recordAudioButtonListener.actionPerformed(GUI.java:179)

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我只需要使用IAmOptions构造函数。如果无法导入IAM选项，可能是因为您使用了旧版本的sdk，这是我的主要问题

IamOptions options = new IamOptions.Builder()
.apiKey("{apikey}")
.build();
Assistant assistant = new Assistant("{version}", options);
assistant.setEndPoint("{url}");

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我在上面的代码中看到了实际的顶点，也许你不想在公共论坛上分享。我只是把它们改成了一些随机字符。你能举个例子来帮助未来的用户吗？我扩展了我的答案

IamOptions options = new IamOptions.Builder()
.apiKey("{apikey}")
.build();
Assistant assistant = new Assistant("{version}", options);
assistant.setEndPoint("{url}");