无效的请求正文 - IBM MobileFirst 8.0 中 WLAuthorizationManager.obtainAccessToken 的 JSON 映射失败

Question

我在 IBM MobileFirst 8.0 中使用 Angular。我正面临 WLAuthorizationManager.obtainAccessToken() 的问题

我正在使用下面的代码。

WLAuthorizationManager.obtainAccessToken()
    .then(
        function (token) {
          console.log(token);
        },
        function (res) {
          console.log(res);
        })

但是，我总是收到以下错误。

回复：

errorCode: "400"
errorMsg: "Bad Request"
responseHeaders: {cache-control: "[no-store, no-cache, must-revalidate]", connection: "[close]", content-language: "[en-US]", content-security-policy: "[default-src 'self';]", content-type: "[application/json]", …}
responseText: "\"Invalid request body - JSON mapping failed.\""
status: 400
statusText: "Bad Request

版本详情：

科尔多瓦插件-mfp：8.0.2021031007

ibm-mfp-web-sdk：8.0.2021011205

该项目已在 mfp 控制台中创建。

任何帮助将不胜感激。谢谢！

Answer 1

iFix 8.0.0.0-MFPF-IF202010151343 introduces a breaking change with respect to compatibility with older versions of the Mobile Foundation server. If your app uses any of the following SDKs - Android, iOS or Cordova version 8.0.2020101412 or higher, it is necessary to upgrade your server version to 8.0.2020101311 or higher.

这是APAR PH30473 STRENGTHENING PRE-AUTH ENDPOINT所必需的，它更改了 Mobile Foundation SDK 和 Mobile Foundation 服务器之间的通信协议。

如果您无法升级您的服务器，作为兼容性措施，您可以通过添加以下配置：

Native Android apps Add the following line to your mfpclient.properties file: sdkProtocolVersion=1

Native iOS apps Add the following entry to your mfpclient.plist

Name - sdkProtocolVersion

Type - Number

Value - 1

Cordova apps Add the following line under the section of your project's config.xml.

mfp:SDKProtocolVersion1</mfp:SDKProtocolVersion> The recommended approach is to upgrade the server and not use the compatibility configuration mentioned above.

Web Apps :

add sdkProtocolVersion : '1' in wlInitOptions

For more details see here https://mobilefirstplatform.ibmcloud.com/blog/2018/05/18/8-0-master-ifix-release/#changes-in-this-ifix-4

To resolve your issue :

Connect app with new version of app + set sdkProtocolVersion to 1

Or

Upgrade server to latest version.