启动acitivemq.bat出现UnsupportedClassVersionError.

Question

[size=xx-small]acitivemq.bat[/size][size=xx-small][/size][size=xx-small][/size]C:\Documents and Settings\fiona>E:\mq\apache-activemq-5.0.0\apache-activemq-5.0.
0\bin\activemq.bat
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/ac
tivemq/console/Main (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
3)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
C:\Documents and Settings\fiona>

解压apache-activemq-5.0.0，启动acitivemq.bat出现错误，问是什么原因?

Answer 1

哈哈，需要JDK1.5呗，
Unsupported major.minor version 49.0这句就说得很明白了。请楼主确认安装了JDK1.5并且启动ActiveMQ的时候使用的就是JDK1.5。