No message found under code ' for locale ' en '.

1. If the project you created with Eclipse is separate from class and SRC, then the resource properties file must be placed within the SRC directory.
2. The name of the property file:
Messages_zh_cn.properties (English)
Messages_en_us.properties (English)
3. Configure Messagesource This bean (note: it must be messagesource not Messageresource, which is specified by spring)
<bean id= "Messagesource" class= "Org.springframework.context.support.ResourceBundleMessageSource" >
<property name= "Basenames" >
<list>
<value>messages</value>
</list>
</property>
</bean>

No message found under code ' for locale ' en '.