http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/Flink-KAFKA-KEYTAB-Kafkaconsumer-error-Kerberos-tp37277p37419.html
command. Notice that this command only supports to ship folders now.
>
> Any inputs ?
>
> On Tue, Aug 11, 2020 at 10:34 AM Vijayendra Yadav <
[hidden email]> wrote:
>>
>> Dawid, I was able to resolve the keytab issue by passing the service name, but now I am facing the KRB5 issue.
>>
>> Caused by: org.apache.kafka.common.errors.SaslAuthenticationException: Failed to create SaslClient with mechanism GSSAPI
>> Caused by: javax.security.sasl.SaslException: Failure to initialize security context [Caused by GSSException: Invalid name provided (Mechanism level: KrbException: Cannot locate default realm)]
>>
>> I passed KRB5 from yaml conf file like:
>>
>> env.java.opts.jobmanager: -Djava.security.krb5.conf=/path/krb5.conf
>> env.java.opts.taskmanager: -Djava.security.krb5.conf=/path/krb5.conf
>>
>> How can I resolve this? Is there another way to pass KRB5?
>>
>> I also tried via option#1 from flink run command -D parameter.
>>
>> Regards,
>> Vijay
>>
>>
>> On Tue, Aug 11, 2020 at 1:26 AM Dawid Wysakowicz <
[hidden email]> wrote:
>>>
>>> Hi,
>>>
>>> As far as I know the approach 2) is the supported way of setting up Kerberos authentication in Flink. In the second approach have you tried setting the `sasl.kerberos.service.name` in the configuration of your KafkaConsumer/Producer[1]? I think this might be the issue.
>>>
>>> Best,
>>>
>>> Dawid
>>>
>>> [1]
https://ci.apache.org/projects/flink/flink-docs-stable/dev/connectors/kafka.html#enabling-kerberos-authentication>>>
>>>
>>> On 09/08/2020 20:39, Vijayendra Yadav wrote:
>>>
>>> Hi Team,
>>>
>>> I am trying to stream data from kafkaconsumer using:
https://ci.apache.org/projects/flink/flink-docs-stable/dev/connectors/kafka.html>>>
>>> Here my KAFKA is Kerberos secured and SSL enabled.
>>>
>>> I am running my Flink streaming in yarn-cluster on EMR 5.31.
>>>
>>> I have tried to pass keytab/principal in following 2 Ways:
>>>
>>> 1) Passing as JVM property in Flink run Command.
>>>
>>> /usr/lib/flink/bin/flink run
>>> -yt ${app_install_path}/conf/ \
>>>>
>>>> -Dsecurity.kerberos.login.use-ticket-cache=false \
>>>> -yDsecurity.kerberos.login.use-ticket-cache=false \
>>>> -Dsecurity.kerberos.login.keytab=${app_install_path}/conf/keytab \
>>>> -yDsecurity.kerberos.login.keytab=${app_install_path}/conf/.keytab \
>>>> -Djava.security.krb5.conf=${app_install_path}/conf/krb5.conf \
>>>> -yDjava.security.krb5.conf=${app_install_path}/conf/krb5.conf \
>>>> -Dsecurity.kerberos.login.principal=
[hidden email] \
>>>> -yDsecurity.kerberos.login.principal=
[hidden email] \
>>>> -Dsecurity.kerberos.login.contexts=Client,KafkaClient \
>>>> -yDsecurity.kerberos.login.contexts=Client,KafkaClient
>>>
>>>
>>> Here, I am getting the following Error, it seems like KEYTAB Was not transported to the run environment and probably not found.
>>>
>>> org.apache.kafka.common.KafkaException: Failed to construct kafka consumer
>>> Caused by: java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. System property 'java.security.auth.login.config'
>>>
>>> 2) Passing from flink config: /usr/lib/flink/conf/flink-conf.yaml
>>>
>>> security.kerberos.login.use-ticket-cache: false
>>> security.kerberos.login.keytab: ${app_install_path}/conf/keytab
>>> security.kerberos.login.principal:
[hidden email]
>>> security.kerberos.login.contexts: Client,KafkaClient
>>>
>>> Here, I am getting the following Error,
>>>
>>> org.apache.kafka.common.KafkaException: Failed to construct kafka consumer
>>> Caused by: org.apache.kafka.common.KafkaException: java.lang.IllegalArgumentException: No serviceName defined in either JAAS or Kafka config
>>>
>>>
>>> Could you please help find, what are probable causes and resolution?
>>>
>>> Regards,
>>> Vijay
>>>