C:\Users\sse430-ssed\Desktop\apache-activemq-5.12.1-bin\apache-activemq-5.12.1\b
in>activemq.bat
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/ac
tivemq/console/Main : Unsupported major.minor version 51.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
4)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
        at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)

        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)

初步猜測應該是jre版本過低  重新安裝Java8u65解決