EL1008E: Property or field ‘config‘ cannot be found on object of type ‘org.springframework.beans.fac

叁歲伎倆 2024-03-25 22:29 27阅读 0赞

#### 1、报错信息 ####

将 **SpringMVC** 工程改造为 **SpringBoot** 工程的过程中，服务日志报错如下：

Caused by: org.springframework.beans.factory.BeanExpressionException: Expression parsing failed; nested exception is org.springframework.expression.spel.SpelEvaluationException: EL1008E: Property or field 'config' cannot be found on object of type 'org.springframework.beans.factory.config.BeanExpressionContext' - maybe not public or not valid?
        at org.springframework.context.expression.StandardBeanExpressionResolver.evaluate(StandardBeanExpressionResolver.java:170)
        at org.springframework.beans.factory.support.AbstractBeanFactory.evaluateBeanDefinitionString(AbstractBeanFactory.java:1631)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1335)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:656)
        ... 20 common frames omitted
    Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1008E: Property or field 'config' cannot be found on object of type 'org.springframework.beans.factory.config.BeanExpressionContext' - maybe not public or not valid?
        at org.springframework.expression.spel.ast.PropertyOrFieldReference.readProperty(PropertyOrFieldReference.java:217)
        at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:104)
        at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:91)
        at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:55)
        at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:91)
        at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:112)
        at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:273)
        at org.springframework.context.expression.StandardBeanExpressionResolver.evaluate(StandardBeanExpressionResolver.java:167)
        ... 24 common frames omitted

#### 2、解决方案 ####

@Value(“\#\{config\[‘sampling.interval’\]\}”)  
改为  
@Value(“$\{sampling.interval\}”)

其中， sampling.interval 是项目中用到的一个变量。根据实际情况进行调整。

将项目中所有的变量引用，按照上述方式进行修改，即可解决上述报错问题。