Enable the Kafka Producer The Kafka Producer is disabled by default and can be enabled as follows. First, log in to the Karaf shell of your Horizon instance and configure the Kafka client settings to point to your Kafka broker. See Producer Configs for a complete list of available options. $ ssh -p 8101 admin@localhost ... admin@opennms()> config:edit org.opennms.features.kafka.producer.client admin@opennms()> config:property-set bootstrap.servers 127.0.0.1:9092 admin@opennms()> config:update Next, install the opennms-kafka-producer feature from that same shell using: admin@opennms()> feature:install opennms-kafka-producer To ensure that the feature continues to be installed on subsequent restarts, add opennms-kafka-producer to the featuresBoot property in $OPENNMS_HOME/etc/org.apache.karaf.features.cfg. Kafka Producer Configure the Kafka Producer