启动日志中就出现[java:comp/env/spring.liveBeansView.mbeanDomain] not found这个日志

  今天在做一个dubbo服务端的时候，启动成功，dubbo也注册成功，但是启动日志中就出现[java:comp/env/spring.liveBeansView.mbeanDomain] not found这个日志，网上搜搜，果然很多人出现过这个问题。

[org.springframework.core.env.PropertySourcesPropertyResolver] - Searching for key 'spring.liveBeansView.mbeanDomain' in [servletConfigInitParams]
[org.springframework.core.env.PropertySourcesPropertyResolver] - Searching for key 'spring.liveBeansView.mbeanDomain' in [servletContextInitParams]
[org.springframework.core.env.PropertySourcesPropertyResolver] - Searching for key 'spring.liveBeansView.mbeanDomain' in [jndiProperties]
[org.springframework.jndi.JndiTemplate] - <strong><span style="color:#ff0000;">Looking up JNDI object with name [java:comp/env/spring.liveBeansView.mbeanDomain]</span></strong>
[org.springframework.jndi.JndiLocatorDelegate] -<span style="color:#ff0000;"> <strong>Converted JNDI name [java:comp/env/spring.liveBeansView.mbeanDomain] not found</strong> </span>- trying original name [spring.liveBeansView.mbeanDomain]. javax.naming.NameNotFoundException: Name [spring.liveBeansView.mbeanDomain] is not bound in this Context. Unable to find [spring.liveBeansView.mbeanDomain].
[org.springframework.jndi.JndiTemplate] - Looking up JNDI object with name [spring.liveBeansView.mbeanDomain]
[org.springframework.jndi.JndiPropertySource] - JNDI lookup for name [spring.liveBeansView.mbeanDomain] threw NamingException with message: Name [spring.liveBeansView.mbeanDomain] is not bound in this Context. Unable to find [spring.liveBeansView.mbeanDomain].. Returning null.
[org.springframework.core.env.PropertySourcesPropertyResolver] - Searching for key 'spring.liveBeansView.mbeanDomain' in [systemProperties]
[org.springframework.core.env.PropertySourcesPropertyResolver] - Searching for key 'spring.liveBeansView.mbeanDomain' in [systemEnvironment]
[org.springframework.core.env.PropertySourcesPropertyResolver] - Could not find key 'spring.liveBeansView.mbeanDomain' in any property source. Returning [null]
[org.springframework.web.context.ContextLoader] - Published root WebApplicationContext as ServletContext attribute with name [org.springframework.web.context.WebApplicationContext.ROOT]
[org.springframework.web.context.ContextLoader] - Root WebApplicationContext: initialization completed in 13003 ms

 错误原因：就是spring-context.jar包中提供通过JMX来实时查看spring放在applicationContext里的bean列表功能，会在项目配置文件里找一个叫"spring.liveBeansView.mbeanDomain"的环境变量,没找到,就报错了。

j解决办法就是在项目中的web.xml中添加如下配置：

<context-param>
    <param-name>spring.profiles.active</param-name>
    <param-value>dev</param-value>
</context-param>
<context-param>
    <param-name>spring.profiles.default</param-name>
    <param-value>dev</param-value>
</context-param>
<context-param>
    <param-name>spring.liveBeansView.mbeanDomain</param-name>
    <param-value>dev</param-value>
</context-param>

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