ActiveMQ 启动时错误：
Caused by: java.lang.IllegalStateException: BeanFactory not initialized or already closed - call 'refresh' before accessing beans via the ApplicationContext
at org.springframework.context.support.AbstractRefreshableApplicationContext.getBeanFactory(AbstractRefreshableApplicationContext.java:171)
at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1090)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:487)
at org.apache.xbean.spring.context.ResourceXmlApplicationContext.<init>(ResourceXmlApplicationContext.java:64)
at org.apache.xbean.spring.context.ResourceXmlApplicationContext.<init>(ResourceXmlApplicationContext.java:52)
at org.apache.activemq.xbean.XBeanBrokerFactory$1.<init>(XBeanBrokerFactory.java:104)
at org.apache.activemq.xbean.XBeanBrokerFactory.createApplicationContext(XBeanBrokerFactory.java:104)
at org.apache.activemq.xbean.XBeanBrokerFactory.createBroker(XBeanBrokerFactory.java:67)
at org.apache.activemq.broker.BrokerFactory.createBroker(BrokerFactory.java:71)
at org.apache.activemq.broker.BrokerFactory.createBroker(BrokerFactory.java:54)
at org.apache.activemq.console.command.StartCommand.runTask(StartCommand.java:87)
... 10 more
解决方式：
1.确认计算机主机名名称没有下划线；
2.如果是win7，停止ICS(运行-->services.msc找到Internet Connection Sharing (ICS)服务,改成手动启动或禁用)
重新启动activeMQ即可。