我正在尝试从 S4hana 云中读取数据。 我在身份验证类型为 OAuth2SAMLBearerAssertion 的 cloud foundry 中配置了目标。
我还写了一个小 servlet 来使用 VDM 机制获取数据。
但是当我调用端点时出现以下错误
Caused by: com.sap.cloud.sdk.cloudplatform.connectivity.TokenRequestFailedException: Failed to get access token: no valid JWT bearer found in "Authorization" header of request.
2018-10-09T15:34:52.84+0530 [APP/PROC/WEB/0] OUT at com.sap.cloud.sdk.cloudplatform.connectivity.TokenRequest.getCurrentJwt(TokenRequest.java:308)
2018-10-09T15:34:52.84+0530 [APP/PROC/WEB/0] OUT at com.sap.cloud.sdk.cloudplatform.connectivity.TokenRequest.requestTokenWithUserTokenGrant(TokenRequest.java:352)
2018-10-09T15:34:52.84+0530 [APP/PROC/WEB/0] OUT at com.sap.cloud.sdk.cloudplatform.connectivity.XsuaaService.requestAccessToken(XsuaaService.java:135)
2018-10-09T15:34:52.84+0530 [APP/PROC/WEB/0] OUT at com.sap.cloud.sdk.cloudplatform.connectivity.XsuaaService.getServiceToken(XsuaaService.java:197)
2018-10-09T15:34:52.84+0530 [APP/PROC/WEB/0] OUT at com.sap.cloud.sdk.cloudplatform.connectivity.DestinationServiceCommand.getAccessToken(DestinationServiceCommand.java:109)
2018-10-09T15:34:52.84+0530 [APP/PROC/WEB/0] OUT ... 31 common frames omitted
最佳答案
您是否设置了安全性/配置了批准程序?
错误消息表明请求中缺少 JWT。
关于s4sdk - 无法获取元数据 : Failed to execute OData Metadata request,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/52718497/