Question

我们的应用程序对MS Graph API进行了大量调用，主要是对消息，日历和联系人的调用。由于大量的呼叫，我们会遇到节流现象，有时还会遇到503服务不可用错误。有时以下是“ 503服务不可用”错误的描述：

错误代码：“ UnknownError”，错误消息：“”

通常，这些错误在重试一次或几次后就会消失。

从11月5日开始，此类“ UnknownError” 错误的数量急剧增加。我找不到任何可能导致这些更改的MS Graph API服务更新描述。这些错误增加的原因是什么？我该如何检查？

Answer 1

请阅读我们的节流指南。 https://docs.microsoft.com/en-us/graph/throttling

您需要遵守随调用返回的重试标头。否则，您将得到429s，有时会得到503s。

如果您使用的是Microsoft Graph SDK，则它具有内置的节流处理程序。

Answer 2

具有相同的问题，并且显然与节流无关，就像前面的答案建议的那样。排序似乎是由于某种原因引起的问题。几乎好像有一条错误消息，表明API无法解析并引发异常... 这是完整的跟踪记录：

➜  workturbo curl -v -H "Authorization: Bearer $TOKEN" https://graph.microsoft.com/beta/me/messages\?%24select=changeKey\&%24filter=isDraft+eq+false+and+lastModifiedDateTime+lt+2020-02-01T23%3A19%3A57Z\&%24orderby=lastModifiedDateTime+desc\&%24skip=0\&%24top=5
*   Trying 20.190.132.119...
* TCP_NODELAY set
* Connected to graph.microsoft.com (20.190.132.119) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*   CAfile: /etc/ssl/cert.pem
  CApath: none
* TLSv1.2 (OUT), TLS handshake, Client hello (1):
* TLSv1.2 (IN), TLS handshake, Server hello (2):
* TLSv1.2 (IN), TLS handshake, Certificate (11):
* TLSv1.2 (IN), TLS handshake, Server key exchange (12):
* TLSv1.2 (IN), TLS handshake, Server finished (14):
* TLSv1.2 (OUT), TLS handshake, Client key exchange (16):
* TLSv1.2 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.2 (OUT), TLS handshake, Finished (20):
* TLSv1.2 (IN), TLS change cipher, Change cipher spec (1):
* TLSv1.2 (IN), TLS handshake, Finished (20):
* SSL connection using TLSv1.2 / ECDHE-RSA-AES128-GCM-SHA256
* ALPN, server did not agree to a protocol
* Server certificate:
*  subject: CN=graph.microsoft.com
*  start date: Jul  1 21:55:17 2020 GMT
*  expire date: Jul  1 21:55:17 2022 GMT
*  subjectAltName: host "graph.microsoft.com" matched cert's "graph.microsoft.com"
*  issuer: C=US; ST=Washington; L=Redmond; O=Microsoft Corporation; OU=Microsoft IT; CN=Microsoft IT TLS CA 2
*  SSL certificate verify ok.
> GET /beta/me/messages?%24select=changeKey&%24filter=isDraft+eq+false+and+lastModifiedDateTime+lt+2020-02-01T23%3A19%3A57Z&%24orderby=lastModifiedDateTime+desc&%24skip=0&%24top=5 HTTP/1.1
> Host: graph.microsoft.com
> User-Agent: curl/7.64.1
> Accept: */*
> Authorization: Bearer <OBFUSCATED>
>
< HTTP/1.1 503 Service Unavailable
< Cache-Control: private
< Content-Type: application/json
< request-id: 3903e2c4-325b-4925-8544-20383e2a2944
< client-request-id: 3903e2c4-325b-4925-8544-20383e2a2944
< x-ms-ags-diagnostic: {"ServerInfo":{"DataCenter":"West US","Slice":"SliceC","Ring":"5","ScaleUnit":"003","RoleInstance":"AGSFE_IN_17"}}
< Strict-Transport-Security: max-age=31536000
< Date: Tue, 21 Jul 2020 19:30:23 GMT
< Content-Length: 198
<
{
  "error": {
    "code": "UnknownError",
    "message": "",
    "innerError": {
      "date": "2020-07-21T19:30:23",
      "request-id": "3903e2c4-325b-4925-8544-20383e2a2944"
    }
  }
* Connection #0 to host graph.microsoft.com left intact
}* Closing connection 0

Microsoft Graph API-503服务无法使用“ UnknownError”

2 个答案: