Thank you for your help. Yes, the problem should be the broker does not support the cipher that my client is using.
My ubuntu's Java is OpenJDK running Java 1.6. I installed Oracle JDK7 which have Java 1.7. After this, activeMQ with ssl works. -- View this message in context: http://activemq.2283324.n4.nabble.com/setting-up-c-client-app-using-CMS-using-SSL-client-certificate-auth-tp4664686p4671325.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.