ERROR: Unknown host ‘repo.maven.apache.org: nodename nor servname provided, or not known‘(2020/08)

今天想运行一下之前做的项目，结果报错：

ERROR: Unknown host 'repo.maven.apache.org: nodename nor servname provided, or not known'. You may need to adjust the proxy settings in Gradle.

Enable Gradle 'offline mode' and sync project
Learn about configuring HTTP proxies in Gradle

解决方式

build.gradle(Project: xxx)，加上阿里镜像

 

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
//        jcenter()
        google()
        mavenCentral()
        jcenter{url "http://jcenter.bintray.com/"}


    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.3'

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

allprojects {
    repositories {
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
//        jcenter()
        maven { url "https://jitpack.io" }

        google()
        mavenCentral()
        jcenter{url "http://jcenter.bintray.com/"}
    }
}

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