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我正在尝试在我的应用程序中构建聊天机器人。但我无法将 Microsoft bot 与 Direct line Rest API 连接到应用程序，下面是我连接 bot 的代码。它给了我 FileNotFoundException，但我真的不知道该怎么做。有人帮助我吗？

private String startConversation() {
    String primaryToken = "ABC";
    StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
    StrictMode.setThreadPolicy(policy);

    String UrlText = " https://directline.botframework.com/api/tokens/conversation";
    URL url = null;
    String responseValue = "";

    try {
        url = new URL(UrlText);
    } catch (MalformedURLException e) {
        e.printStackTrace();
    }
    HttpURLConnection urlConnection = null;
    try {
        String basicAuth = "Bearer " + primaryToken;
        urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestProperty("Authorization", basicAuth);
        urlConnection.setRequestMethod("POST");
        urlConnection.setRequestProperty("Content-Type", "application/json");
    } catch (IOException e) {
        e.printStackTrace();
    }
    try {
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());
        responseValue = readStream(in);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        urlConnection.disconnect();
    }

    return responseValue;//returns the conversationID and token
}

例外 ：

W/System.err: java.io.FileNotFoundException: https://directline.botframework.com/api/tokens/conversation
07-21 11:37:44.636 23256-23256/com.directlineex.brsingh.directlineandroidexample W/System.err:     at com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:206)
07-21 11:37:44.636 23256-23256/com.directlineex.brsingh.directlineandroidexample W/System.err:     at com.android.okhttp.internal.http.DelegatingHttpsURLConnection.getInputStream(DelegatingHttpsURLConnection.java:210)
07-21 11:37:44.636 23256-23256/com.directlineex.brsingh.directlineandroidexample W/System.err:     at com.android.okhttp.internal.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:25
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0 回答 0