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From Josh Elser <>
Subject Re: Unable to configure kerberos impersonation with Ambari
Date Tue, 26 Jan 2016 03:23:50 GMT
Caught up with Russ in IRC -- without trying to reproduce it by hand, 
this strongly looks like an issue in Ambari (preventing these characters).

FYI, Billie.

Russ Weeks wrote:
> Hi, folks,
> I'm following the instructions in the 1.7 user manual to set up Kerberos
> impersonation. I'm using Ambari to specify the configuration in
> accumulo-site.xml.
> If I understand the manual correctly, I need to define a property key of
> the form: instance.rpc.sasl.impersonation.username/server@REALM.users.
> The value should be a CSV list of kerberos principals.
> The problem is that Ambari will reject a property key with the
> characters "@" or "/". Is Ambari being overly restrictive or have I
> misunderstood the user manual? Is there any workaround other than
> manually editing accumulo-site.xml (which I think will be overwritten as
> soon as Ambari discovers that it's out-of-sync)?
> Thanks,
> -Russ

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