<div class="wiki-content maincontent"><p>When using JDK 6 (up to JDK 6 Update 3) to run ActiveMQ you can run into this exception. There are two solutions to this:</p>

<ul><li>Upgrade to JDK to 1.6.0_04 or above, which includes JAXB 2.1</li><li>Copy JAXB 2.1 to &lt;JAVA_HOME&gt;/lib/endorsed to override the API jars that ship with the JDK</li></ul></div>