由于老项目之前也配置过阿里云镜像，最近发现依赖下得特别慢甚至下载失败报错：

Failed to download any source lists! IO exception while downloading manifest: java.net.UnknownHostException: dl.google.com

发现现在新的阿里云maven变了，更换为最新的阿里云镜像则解决, 记录一下：

//新版阿里云镜像
maven {url 'https://maven.aliyun.com/repository/public/'}
maven {url 'https://maven.aliyun.com/repository/google/'}
maven {url 'https://maven.aliyun.com/repository/central/'}
maven {url 'https://maven.aliyun.com/repository/gradle-plugin/'}
mavenLocal()
mavenCentral()
maven { url 'http://maven.aliyun.com/repository/jitpack' } //替换jitpack.io


//老版的阿里云镜像
//maven {url 'https://maven.aliyun.com/nexus/content/groups/public'}
//maven {url 'https://maven.aliyun.com/nexus/content/repositories/central'}
//maven {url 'https://maven.aliyun.com/nexus/content/repositories/google'}
// maven {url 'https://maven.aliyun.com/nexus/content/repositories/google'}

附上完整的gradle

buildscript {
    ext.kotlin_version = "1.5.10"
    repositories {
        maven {url 'https://maven.aliyun.com/repository/public/'}
        maven {url 'https://maven.aliyun.com/repository/google/'}
        maven {url 'https://maven.aliyun.com/repository/central/'}
        maven {url 'https://maven.aliyun.com/repository/gradle-plugin/'}
        mavenLocal()
        mavenCentral()
        maven { url 'http://maven.aliyun.com/repository/jitpack' } //替换jitpack.io
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.2.2"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        maven {url 'https://maven.aliyun.com/repository/public/'}
        maven {url 'https://maven.aliyun.com/repository/google/'}
        maven {url 'https://maven.aliyun.com/repository/central/'}
        maven {url 'https://maven.aliyun.com/repository/gradle-plugin/'}
        mavenLocal()
        mavenCentral()
        maven { url 'http://maven.aliyun.com/repository/jitpack' } //替换jitpack.io
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

gradle 7.0+ http链接需要以下配置 allowInsecureProtocol = true

maven { url 'https://maven.aliyun.com/repository/google' }
maven { url 'https://maven.aliyun.com/repository/central' }
maven { url 'https://maven.aliyun.com/repository/public/' }
maven {
    url "http://maven.aliyun.com/nexus/content/groups/public/"
    allowInsecureProtocol = true
}
maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
maven { url "https://jitpack.io" }