Hi Support,

                    We   setup a  new  Apache drill  cluster  in our 
environment.



Below is the configuration file.



We are able to start the apache drill  but after 10 - 20 minutes we are getting 
error as below .

2023-07-13 07:09:53,206 [qtp574367055-3887] ERROR 
o.a.d.e.r.u.s.Pam4jUserAuthenticator - PAM auth failed for user: supersetuser 
against  login profile. Exception: pam_authenticate failed : Authentication 
failure.

After  apache drill  restart we are able to login.  This issue is keep on 
repeating .

Please check and let us know  how  to resolve.



drill.exec: {

  cluster-id: "drillbits1",

  zk.connect="10.181.ccc.19:xxxx1.241.xxxx1,10.181xxxxx5:2181",

  impersonation: {

                enabled: true,

                max_chained_user_hops: 3

              },

              security: {

                      auth.mechanisms : ["PLAIN"],

                        },

                security.user.auth: {

                        enabled: "true",

                        packages += "org.apache.drill.exec.rpc.user.security",

                        impl: "pam4j",

                        pam_profiles: [ "login" ]

  }

}

drill.exec.http.ssl_enabled=true

drill.exec.security.user.encryption.ssl.enabled=true

drill.exec.ssl.keyStorePath: "/opt/ssl/keystore.jks"

#If not provided then the default value is java system property 
javax.net.ssl.keyStorePassword value

drill.exec.ssl.keyStorePassword: "YlBoGgo"

#If not provided then the default value is java system property 
javax.net.ssl.trustStore value

drill.exec.ssl.trustStorePath: "/opt/ssl/truststore.jks"

#If not provided then the default value is java system property 
javax.net.ssl.trustStorePassword value

drill.exec.ssl.trustStorePassword: "YlBoG5v*"

drill.exec.ssl.keyStoreType=jks

drill.exec.http.ssl.disable_host_verification=true








Thanks & regards,
Sk

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Surendar
Database Administrator
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