You have to add the fusesource MQTT client to your dependency manager, as it seem they forgot to include it in the activemq-all.jar file
Example with maven pom.xml <dependency> <groupId>org.fusesource.mqtt-client</groupId> <artifactId>mqtt-client</artifactId> <version>1.12</version> </dependency> -- View this message in context: http://activemq.2283324.n4.nabble.com/Transport-scheme-NOT-recognized-mqtt-nio-tp4724931p4728604.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.