Cannot find key AP REP RC4 Kerberos

If you get an exception like this:

GSSException: Failure unspecified at GSS-API level (Mechanism level: Invalid argument (400) - Cannot find key of appropriate type to decrypt AP REP - AES256 CTS mode with HMAC SHA1-96)

Check this two things first:

  • Is the path to the keytab correct?
  • Does the process have permission to read the keyab?

In my case it turned out that there was no keytab read permission in hdfs. Thanks Xavier Portebois.

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