微服务中使用@Value注解赋值时出现异常 Could not resolve placeholder ‘XXX‘ in value “${XXX}“

KindleFireee

于 2022-05-23 13:26:58 发布

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分类专栏： springboot springCloud 文章标签：微服务 java spring

本文链接：https://blog.youkuaiyun.com/weixin_52163830/article/details/124925425

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当在微服务中使用@Value注解遇到'Could not resolve placeholder'异常时，只需在配置类中添加相应配置即可解决这个问题。

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Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'wx.open.app_id' in value "${wx.open.app_id}"
	at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:178)
	at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:124)
	at org.springframework.core.env.AbstractPropertyResolver.doResolvePlaceholders(AbstractPropertyResolver.java:236)
	at org.springframework.core.env.AbstractPropertyResolver.resolveRequiredPlaceholders(AbstractPropertyResolver.java:210)
	at org.springframework.context.support.PropertySourcesPlaceholderConfigurer.lambda$processProperties$0(PropertySourcesPlaceholderConfigurer.java:175)
	at org.springframework.beans.factory.support.AbstractBeanFactory.resolveEmbeddedValue(AbstractBeanFactory.java:908)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultLista