Swagger3和SpringBoot搭配，spring-plugin-core报错

错误详情如下

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APPLICATION FAILED TO START
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Description:

An attempt was made to call the method (Ljava/lang/Object;)Ljava/util/Optional; but it does not exist. Its class, , is available from the following locations:

    jar:file:/C:/programs/maven/localHouse/org/springframework/plugin/spring-plugin-core/1.2./spring-plugin-core-1.2.!/org/springframework/plugin/core/

It was loaded from the following location:

    file:/C:/programs/maven/localHouse/org/springframework/plugin/spring-plugin-core/1.2./spring-plugin-core-1.2.


Action:

Correct the classpath of your application so that it contains a single, compatible version of 

按照错误提示，怀疑是包冲突，于是执行mvn dependency:tree >进行maven依赖查看，结果spring-plugin-core 1.2.0-RELEASE只有springfox在使用（即Swagger3），所以并不存在冲突的问题

解决方案：强制将依赖版本升级到2.0，问题解决

        <dependency>
            <groupId></groupId>
            <artifactId>spring-plugin-core</artifactId>
            <version>2.0.</version>
        </dependency>
        <dependency>
            <groupId></groupId>
            <artifactId>spring-plugin-metadata</artifactId>
            <version>2.0.</version>
        </dependency>