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https://issues.apache.org/jira/browse/KAFKA-8234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16817935#comment-16817935
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Gabor Somogyi commented on KAFKA-8234:
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cc [~viktorsomogyi]
> Multi-module support for JAAS config property
> ---------------------------------------------
>
> Key: KAFKA-8234
> URL: https://issues.apache.org/jira/browse/KAFKA-8234
> Project: Kafka
> Issue Type: Improvement
> Reporter: Gabor Somogyi
> Priority: Major
>
> I've tried to add multi-modules to JAAS config property but its not supported
> at the moment:
> {code:java}
> Exception in thread "main" org.apache.kafka.common.KafkaException: Failed
> create new KafkaAdminClient
> at
> org.apache.kafka.clients.admin.KafkaAdminClient.createInternal(KafkaAdminClient.java:370)
> at
> org.apache.kafka.clients.admin.AdminClient.create(AdminClient.java:52)
> at
> com.kafka.delegationtoken.consumer.SecureKafkaConsumer$.main(SecureKafkaConsumer.scala:96)
> at
> com.kafka.delegationtoken.consumer.SecureKafkaConsumer.main(SecureKafkaConsumer.scala)
> Caused by: java.lang.IllegalArgumentException: JAAS config property contains
> 2 login modules, should be 1 module
> at
> org.apache.kafka.common.security.JaasContext.load(JaasContext.java:95)
> at
> org.apache.kafka.common.security.JaasContext.loadClientContext(JaasContext.java:84)
> at
> org.apache.kafka.common.network.ChannelBuilders.create(ChannelBuilders.java:119)
> at
> org.apache.kafka.common.network.ChannelBuilders.clientChannelBuilder(ChannelBuilders.java:65)
> at
> org.apache.kafka.clients.ClientUtils.createChannelBuilder(ClientUtils.java:88)
> at
> org.apache.kafka.clients.admin.KafkaAdminClient.createInternal(KafkaAdminClient.java:346)
> ... 3 more
> {code}
> I wanted to implement a fallback scenario with sufficient LoginModule flag
> but the missing multi-module support makes in impossible.
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