Hi kyro, I guess the error is due to OpenJDK 13.0.2. In the documentation [1] the JRE 1.7 is suggested but I got a successful execution with OpenJDK 8 too.
[1] https://activemq.apache.org/getting-started#Pre-InstallationRequirements Regards, Domenico -- Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html