sharding jdbc--Cloud not resolve placeholder … in string value …?

使用当当网的分表分库框架sharding jdbc报错如下

Cloud not resolve placeholder … in string value …?

原因是由于inline表达式内使用Groovy语法，Groovy语法的变量占位符为${},与Spring的Property占位符冲突

错误的地方是：设置<context:property-placeholder>的地方没有放到跟下面的配置在同一个文件中

<bean id="dataSource_card" primary="true"class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"><property name="driverClassName" value="${driverClassName}" /><property name="url" value="${jdbc.card.url}" /><property name="username" value="${jdbc.card.username}" /><property name="password" value="${jdbc.card.password}" /></bean>

解决办法

把<context:property-placeholder location="classpath:property/*.properties" ignore-unresolvable="true" />

放到使用
${driverClassName}同一文件中去。
这个perperties文件是properties下的jdbc.properties.
                                             
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sharding jdbc--Cloud not resolve placeholder … in string value …?
	  	   
spring cloud config---Could not resolve placeholder 'foo' in string value "${foo}"
	  	   
Could not resolve placeholder 'jdbc.driverClassName' in string value "${jdbc.driverClassName}
	  	   
Could not resolve placeholder 'master.jdbc.url' in string value "${master.jdbc.url}"
	  	   
Could not resolve placeholder 'jdbc.username' in string value "${jdbc.username}"
	  	   
Could not resolve placeholder 'jdbc.url' in string value "${jdbc.url}"
	  	   
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