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onedrive: Work around for random "Unable to initialize RPS" errors

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OneDrive randomly returns the error message: "InvalidAuthenticationToken: Unable to initialize RPS". These unexpected errors typically caused the entire rclone command to fail.

This work around recognizes these errors and marks them for a low level retry, that mostly succeeds. This will make rclone commands complete without being noticeable affected.

Fixes: #5270
This commit is contained in:
OleFrost 2021-04-24 11:44:13 +02:00 committed by Nick Craig-Wood
parent ee502a757f
commit 89daa9efd1
1 changed files with 3 additions and 0 deletions
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3
backend/onedrive/onedrive.go
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@ -566,6 +566,9 @@ func shouldRetry(ctx context.Context, resp *http.Response, err error) (bool, err
if len(resp.Header["Www-Authenticate"]) == 1 && strings.Index(resp.Header["Www-Authenticate"][0], "expired_token") >= 0 {
retry = true
fs.Debugf(nil, "Should retry: %v", err)
} else if err != nil && strings.Contains(err.Error(), "Unable to initialize RPS") {
retry = true
fs.Debugf(nil, "HTTP 401: Unable to initialize RPS. Trying again.")
}
case 429: // Too Many Requests.
// see https://docs.microsoft.com/en-us/sharepoint/dev/general-development/how-to-avoid-getting-throttled-or-blocked-in-sharepoint-online