我有一个带有SpringBoot版本的SpringBoot应用程序2.1.1.RELEASE。我试图将其升级到最新版本：2.1.2.RELEASE。现在我在初始化时出错。来源是否需要更改？我看到Spring版本已从升级5.1.3.RELEASE到5.1.4.RELEASE，但我没想到会有任何改动，只要稍作升级便会破坏应用程序。

Caused by: java.lang.IllegalAccessError: tried to access method org.springframework.core.convert.TypeDescriptor.<init>(Lorg/springframework/core/ResolvableType;Ljava/lang/Class;[Ljava/lang/annotation/Annotation;)V from class org.springframework.beans.factory.config.DependencyDescriptor
    at org.springframework.beans.factory.config.DependencyDescriptor.getTypeDescriptor(DependencyDescriptor.java:330) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1192) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1164) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
    ... 85 common frames omitted

我究竟做错了什么？