Sailesh Mukil created IMPALA-7299:
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Summary: Impala fails to work with the krb5 config 'rdns=false' in
Impala 2.12.0/3.0
Key: IMPALA-7299
URL: https://issues.apache.org/jira/browse/IMPALA-7299
Project: IMPALA
Issue Type: Task
Components: Docs
Affects Versions: Impala 2.12.0, Impala 3.0
Reporter: Sailesh Mukil
Assignee: Alex Rodoni
Since we've switched to using KRPC from Impala 2.12.0 and Impala 3.0, we found
a bug that doesn't allow for kerberized communication if the following flag in
krb5.conf is changed from its default of 'rdns=true' to 'rdns=false'.
The current workaround is to set it back to its default of 'true'. Keep in mind
that the 'dns_canonicalize_hostname' flag should also be 'true' otherwise the
'rdns' flag will be ignored.
More details on the flag can be found here:
http://web.mit.edu/kerberos/krb5-1.12/doc/admin/conf_files/krb5_conf.html
A fix for this issue is tracked by IMPALA-7298.
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