HI Team,
has anyone faced this issue earlier? any pointers? thx

REgards
PRabhakar

On Fri, Oct 11, 2024 at 10:00 AM Prabhakar Bhosale <[email protected]>
wrote:

> Hi Team,
>
> any pointers? thx
>
> REgards
> Prabhakar
>
> On Thu, Oct 10, 2024 at 6:41 PM Prabhakar Bhosale <[email protected]>
> wrote:
>
>> I have configured a drill on hadoop cluster with 3 datanodes and 1
>> drillbit on each node and kerberos authentication. While starting the drill
>> it gives the following error in the drillbit.out file. Any help on the root
>> cause of the error and possible solution would be highly appreciated. thx
>>
>> *Error Message*
>> *"Authentication is enabled for webserver but none of the security
>> mechanism was configured Properly. Please verify the configuration and
>> try again"*
>>
>> I am using drill 1.21.1.
>>
>> Below is the content of drill-override.conf
>>
>> drill.exec :{
>>              cluster-id:"my-cluster",
>>              zk.connect:"server1.org.com:2181",
>>             impersonation:{
>>                       enabled:true,
>>                       max_chained_user_hops:3
>>                  },
>>          security.auth:{
>>                  mechanisms:["KERBEROS"],
>>                  principal:"drill/[email protected]",
>>                  keytab:"/home/hadoop/keytabs/dn_srv3.keytab"
>>                },
>>           security.user:{
>>                auth.enabled:true
>>             }
>> }
>>
>> *Troubleshooting Steps Taken*
>>
>> 1. Ensured drill cluster is working correctly without security configured
>> at both hadoop and drill end
>> 2. Ensured All hadoop and kerberos services are working correctly
>> 3. Ensured all drill services are working correctly
>> 4. Ensured kerberos is authenticating the given principal with given
>> keytab file with KINIT command
>> 5. Tried with impersonation with value true and false
>>
>> REgards
>> Prabhakar
>>
>>
>>
>>

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