[jira] [Created] (TS-830) traffic_line -r returns "Variable Not Found", even if it's a permission issue

[JIRA]

traffic_line -r returns "Variable Not Found", even if it's a permission issue
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                 Key: TS-830
                 URL: https://issues.apache.org/jira/browse/TS-830
             Project: Traffic Server
          Issue Type: Bug
          Components: Management
    Affects Versions: 3.1.0, 2.1.9
            Reporter: Igor Galić
            Priority: Minor


Example:

{noformat}
i.galic@pheme ~ % /opt/bw/bin/traffic_line -r proxy.config.dns.nameservers
/opt/bw/bin/traffic_line: Variable Not Found
1 i.galic@pheme ~ % sudo /opt/bw/bin/traffic_line -r 
proxy.config.dns.nameservers
NULL
i.galic@pheme ~ % sudo /opt/bw/bin/traffic_line -r 
proxy.config.dns.nameserversXXXX
/opt/bw/bin/traffic_line: Variable Not Found
{noformat}

I propose we tell the user, when it's actually a permission problem.

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