Hey, guys. How you doing? My name is Fabio and i need a little help. I need to enable authentication on my kafka broker (using bitnami/kafka image) using SASL. I've followed the examples of the documentation, but i got a strange error when i try to up the compose file. I mounted the jaas file on the correct path on the kafka container (a simple cat command validating this mounting). The error is below: Error: Could not find or load main class "-Djava.security.auth.login.config=.etc.kafka.kafka_server_jaas.conf" kafka Caused by: java.lang.ClassNotFoundException: "-Djava.security.auth.login.config=.etc.kafka.kafka_server_jaas.conf"
My kafka_server_jaas.conf: ##################### KafkaServer { org.apache.kafka.common.security.plain.PlainLoginModule required username="admin" password="admin-123" user_admin="admin123" user_user123="user123"; }; Client {}; ##################### My entire docker-compose file: ##################### services: zookeeper: image: bitnami/zookeeper:latest container_name: zookeeper restart: always ports: - "2181:2181" volumes: - "zookeeper_data:/bitnami" environment: - ZOOKEEPER_CLIENT_PORT=2181 - ZOOKEEPER_TICK_TIME=2000 - ZOOKEEPER_SYNC_LIMIT=2 - ZOOKEEPER_INIT_LIMIT=5 - ALLOW_ANONYMOUS_LOGIN=yes deploy: resources: limits: memory: 2G reservations: memory: 1G kafka: image: bitnami/kafka:latest container_name: kafka restart: always ports: - "9092:9092" environment: - KAFKA_LISTENERS=SASL_PLAINTEXT://:9092 - KAFKA_ADVERTISED_LISTENERS=SASL_PLAINTEXT://:9092 - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181 - KAFKA_SASL_ENABLED_MECHANISMS=PLAIN - KAFKA_SASL_MECHANISM_INTER_BROKER_PROTOCOL=PLAIN - KAFKA_CFG_SASL_MECHANISM_INTER_BROKER_PROTOCOL=PLAIN - KAFKA_INTER_BROKER_LISTENER_NAME=SASL_PLAINTEXT - KAFKA_CFG_ALLOW_EVERYONE_IF_NO_ACL_FOUND=false - KAFKA_CFG_AUTHORIZER_CLASS_NAME=kafka.security.auth.SimpleAclAuthorizer - KAFKA_CFG_SUPER_USERS=User:admin - KAFKA_OPTS= "-Djava.security.auth.login.config=/etc/kafka/kafka_server_jaas.conf -Dzookeeper.sasl.client=false" volumes: - "kafka_data:/bitnami" - "./kafka_server_jaas.conf:/etc/kafka/kafka_server_jaas.conf" depends_on: - zookeeper kafka-ui: image: provectuslabs/kafka-ui:latest container_name: kafka-ui restart: unless-stopped ports: - "8080:8080" environment: - KAFKA_CLUSTERS_0_NAME=local - KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS=localhost:9092 volumes: kafka_data: driver: local zookeeper_data: driver: local #################################### I've searched a lot, but i cant find what i'm doing wrong. Any help will be appreciated. Thanks, Fabio --