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Published Jul. 2, 2025

OAuth 2.0 with Kerberos

Written By

Dávid Hegedüs

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Issue

  • You might encounter an issue where after the SSO setup, you start having problems with OAuth 2.0 and the call to /o/oauth2/token is failing with a "401 Unauthorized error".
  • Also if you use Apache you might see the following: 
    "POST /o/oauth2/token HTTP/1.1" 401 381 "-" "Apache-HttpClient/4.5.11 (Java/11.0.10)"

Environment

  • Liferay DXP 7.2

Resolution

  • The  used API URLs should be excluded by Apache to solve this with another <Location> directive or <LocationMatch> with a RegEx

Additional Information

 

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