Peter Turcsanyi created NIFI-15070:
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Summary: OAuth2AccessTokenProvider should properly handle access
tokens without expiration time
Key: NIFI-15070
URL: https://issues.apache.org/jira/browse/NIFI-15070
Project: Apache NiFi
Issue Type: Bug
Reporter: Peter Turcsanyi
Assignee: Peter Turcsanyi
OAuth 2.0 access tokens typically have a finite (and in most cases short)
expiration time which is set by the token provider. However, some providers
(like Salesforce) issue permanent tokens that have no expires_in field. These
tokens are handled incorrectly on NiFi side, because AccessToken.expiresIn is
initialized with 0 and actually it means the opposite: the token gets expired
immediately. This leads to requesting a new token every time which affects the
performance and the client may also be banned due to the continuous token
requests (e.g QuerySalesforceObject downloading a large dataset using
pagination).
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