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https://issues.apache.org/jira/browse/IMPALA-7299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Rodoni closed IMPALA-7299.
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Resolution: Fixed
Fix Version/s: Impala 3.1.0
> 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 3.0, Impala 2.12.0
> Reporter: Sailesh Mukil
> Assignee: Alex Rodoni
> Priority: Critical
> Labels: docs
> Fix For: Impala 3.1.0
>
>
> 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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