Could not download protobuf-java.jar

Error:Could not download protobuf-java.jar (com.google.protobuf:protobuf-java:3.0.0): No cached vers

正确的做法是:
配置一下整个项目的build.gradle,注意这里不是单个Moudle的build.gradle
是在工作空间中央仓库那里加个网址就可以了

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

我之前只有jcenter(),没加那个网站,不行!加了这个就可以了。
完整的代码

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

buildscript {
    
    repositories {
        google()
        jcenter(){
            //重点
            url "http://jcenter.bintray.com/"
        }
        mavenCentral() // add repository
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.4'

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

allprojects {
    repositories {
        google()
        jcenter()
        mavenCentral() // add repository
    }
}

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


    原文作者:Ltatrium
    原文地址: https://www.jianshu.com/p/d175bef9770c
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