[jira] [Commented] (KAFKA-4180) Shared authentication with multiple active Kafka producers/consumers

["Edoardo Comar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-4180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15748758#comment-15748758 ] 

Edoardo Comar commented on KAFKA-4180:
--------------------------------------

I have updated the PR based on the discussion in the mailing list - namely the key used to cache `LoginManager` instances.
I have retired KIP-83, the PR that closes this issue is mostly based on KIP-85 and associated https://issues.apache.org/jira/browse/KAFKA-4259

> Shared authentication with multiple active Kafka producers/consumers
> --------------------------------------------------------------------
>
>                 Key: KAFKA-4180
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4180
>             Project: Kafka
>          Issue Type: Bug
>          Components: producer , security
>    Affects Versions: 0.10.0.1
>            Reporter: Guillaume Grossetie
>            Assignee: Mickael Maison
>              Labels: authentication, jaas, loginmodule, plain, producer, sasl, user
>
> I'm using Kafka 0.10.0.1 with an SASL authentication on the client:
> {code:title=kafka_client_jaas.conf|borderStyle=solid}
> KafkaClient {
>     org.apache.kafka.common.security.plain.PlainLoginModule required
>     username="guillaume"
>     password="secret";
> };
> {code}
> When using multiple Kafka producers the authentification is shared [1]. In other words it's not currently possible to have multiple Kafka producers in a JVM process.
> Am I missing something ? How can I have multiple active Kafka producers with different credentials ?
> My use case is that I have an application that send messages to multiples clusters (one cluster for logs, one cluster for metrics, one cluster for business data).
> [1] https://github.com/apache/kafka/blob/69ebf6f7be2fc0e471ebd5b7a166468017ff2651/clients/src/main/java/org/apache/kafka/common/security/authenticator/LoginManager.java#L35



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