GRADLE_HOME：D:\software\gradle-6.0.1-all\gradle-6.0.1
Path：%GRADLE_HOME%\bin;
gradle -v 查看版本

        The build scan plugin is not compatible with this version of Gradle.
Please see Gradle Enterprise Gradle Plugin User Manual for more information.
Open File

        Gradle DSL method not found: 'optional()'
Possible causes:<ul><li>The project 'spring-framework' may be using a version of the Android Gradle plug-in that does not contain the method (e.g. 'testCompile' was added in 1.1.0).
Upgrade plugin to version 3.1.0 and sync project</li><li>The project 'spring-framework' may be using a version of Gradle that does not contain the method.
Gradle settings</li><li>The build file may be missing a Gradle plugin.
Apply Gradle plugin</li>

        dependencies {compile(project(":spring-beans"))compile project(':spring-context')compile(project(":spring-core"))apply plugin: 'java'
//    optional("org.aspectj:aspectjweaver")
//    optional("org.apache.commons:commons-pool2")
//    optional("com.jamonapi:jamon")
//    testCompile group: 'junit', name: 'junit', version: '4.12'
}

        Unsupported Modules Detected: Compilation is not supported for following modules: spring-study. Unfortunately you can't have non-Gradle Java modules and Android-Gradle modules in one project.

        Error:Kotlin: [Internal Error] java.lang.LinkageError: loader constraint violation: loader
(instance of org/jetbrains/kotlin/cli/jvm/plugins/PluginURLClassLoader$SelfThenParentURLClassLoader)
previously initiated loading for a different type with name "kotlin/sequences/Sequence"

        file-》setting-》plugin