[ 
https://issues.apache.org/jira/browse/NIFI-7453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Tamas Palfy updated NIFI-7453:
------------------------------
    Description: 
When PutKudu is used with kerberos authentication, it stops working when the 
TGT expires with the following logs/exceptions:



{noformat}
ERROR org.apache.nifi.processors.kudu.PutKudu: 
PutKudu[id=4ad63284-cb39-1c78-bd0e-c280df797039] Failed to write due to Row 
error for primary key="feebfe81-4ee6-4a8b-91ca-311e1c4f8749", tablet=null, 
server=null, status=Runtime error: cannot re-acquire authentication token after 
5 attempts (Couldn't find a valid master in (HOST:PORT). Exceptions received: 
[org.apache.kudu.client.NonRecoverableException: server requires 
authentication, but client does not have Kerberos credentials (tgt). 
Authentication tokens were not used because this connection will be used to 
acquire a new token and therefore requires primary credentials])
2020-05-13 09:27:05,157 INFO org.apache.kudu.client.ConnectToCluster: Unable to 
connect to master HOST:PORT: server requires authentication, but client does 
not have Kerberos credentials (tgt). Authentication tokens were not used 
because this connection will be used to acquire a new token and therefore 
requires primary credentials
2020-05-13 09:27:05,159 WARN org.apache.kudu.client.AsyncKuduSession: 
unexpected tablet lookup failure for operation KuduRpc(method=Write, 
tablet=null, attempt=0, DeadlineTracker(timeout=0, elapsed=15), No traces)
org.apache.kudu.client.NonRecoverableException: cannot re-acquire 
authentication token after 5 attempts (Couldn't find a valid master in 
(HOST:PORT). Exceptions received: [org.apache.kudu.client.NonRecover
ableException: server requires authentication, but client does not have 
Kerberos credentials (tgt). Authentication tokens were not used because this 
connection will be used to acquire a new token and therefore requires primary 
credentials])
        at 
org.apache.kudu.client.AuthnTokenReacquirer$1NewAuthnTokenErrB.call(AuthnTokenReacquirer.java:158)
        at 
org.apache.kudu.client.AuthnTokenReacquirer$1NewAuthnTokenErrB.call(AuthnTokenReacquirer.java:141)
        at com.stumbleupon.async.Deferred.doCall(Deferred.java:1280)
        at com.stumbleupon.async.Deferred.runCallbacks(Deferred.java:1259)
        at com.stumbleupon.async.Deferred.callback(Deferred.java:1002)
        at 
org.apache.kudu.client.ConnectToCluster.incrementCountAndCheckExhausted(ConnectToCluster.java:246)
...

{noformat}


> PutKudu kerberos issue reoccurs a week after restart 
> -----------------------------------------------------
>
>                 Key: NIFI-7453
>                 URL: https://issues.apache.org/jira/browse/NIFI-7453
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Tamas Palfy
>            Priority: Major
>
> When PutKudu is used with kerberos authentication, it stops working when the 
> TGT expires with the following logs/exceptions:
> {noformat}
> ERROR org.apache.nifi.processors.kudu.PutKudu: 
> PutKudu[id=4ad63284-cb39-1c78-bd0e-c280df797039] Failed to write due to Row 
> error for primary key="feebfe81-4ee6-4a8b-91ca-311e1c4f8749", tablet=null, 
> server=null, status=Runtime error: cannot re-acquire authentication token 
> after 5 attempts (Couldn't find a valid master in (HOST:PORT). Exceptions 
> received: [org.apache.kudu.client.NonRecoverableException: server requires 
> authentication, but client does not have Kerberos credentials (tgt). 
> Authentication tokens were not used because this connection will be used to 
> acquire a new token and therefore requires primary credentials])
> 2020-05-13 09:27:05,157 INFO org.apache.kudu.client.ConnectToCluster: Unable 
> to connect to master HOST:PORT: server requires authentication, but client 
> does not have Kerberos credentials (tgt). Authentication tokens were not used 
> because this connection will be used to acquire a new token and therefore 
> requires primary credentials
> 2020-05-13 09:27:05,159 WARN org.apache.kudu.client.AsyncKuduSession: 
> unexpected tablet lookup failure for operation KuduRpc(method=Write, 
> tablet=null, attempt=0, DeadlineTracker(timeout=0, elapsed=15), No traces)
> org.apache.kudu.client.NonRecoverableException: cannot re-acquire 
> authentication token after 5 attempts (Couldn't find a valid master in 
> (HOST:PORT). Exceptions received: [org.apache.kudu.client.NonRecover
> ableException: server requires authentication, but client does not have 
> Kerberos credentials (tgt). Authentication tokens were not used because this 
> connection will be used to acquire a new token and therefore requires primary 
> credentials])
>         at 
> org.apache.kudu.client.AuthnTokenReacquirer$1NewAuthnTokenErrB.call(AuthnTokenReacquirer.java:158)
>         at 
> org.apache.kudu.client.AuthnTokenReacquirer$1NewAuthnTokenErrB.call(AuthnTokenReacquirer.java:141)
>         at com.stumbleupon.async.Deferred.doCall(Deferred.java:1280)
>         at com.stumbleupon.async.Deferred.runCallbacks(Deferred.java:1259)
>         at com.stumbleupon.async.Deferred.callback(Deferred.java:1002)
>         at 
> org.apache.kudu.client.ConnectToCluster.incrementCountAndCheckExhausted(ConnectToCluster.java:246)
> ...
> {noformat}



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