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Error "GSSAPI Error: Unspecified GSS failure." when connecting to Cloudera with AD Kerberos delegation on Web Player

Rich Talbot
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Product: TIBCO Spotfire®

Problem:

Error "GSSAPI Error: Unspecified GSS failure." when connecting to Cloudera with AD Kerberos delegation on Web Player


Solution:

The MIT Kerberos client should not be installed on the Web Player Node if you want to use Active Directory (AD) Kerberos delegation. If MIT Kerberos client is installed on the Web Player Node machine you may encounter this error when trying to access using the Cloudera connector:

ERROR [08S01] [Cloudera][ImpalaODBC] (100) Error from the Impala Thrift API: SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (Internal credentials cache error)

This means that the delegation did not work. Uninstall the MIT Kerberos Client and restart the server. 
https://www.cloudera.com/documentation/other/connectors/impala-odbc/latest/Cloudera-ODBC-Driver-for-Impala-Install-Guide.pdf

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