React Native填坑系列之一（Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.2.1/gradle-3.2.1.pom'. > Connect to 127.0.0.1:1089 [/127.0.0.1] failed: Connection refused (Connection refused)）
JS server already running. Building and installing the app on the device (cd android && ./gradlew installDebug)...
FAILURE: Build failed with an exception.
* What went wrong: A problem occurred configuring root project 'idea_app'. > Could not resolve all artifacts for configuration ':classpath'. > Could not resolve com.android.tools.build:gradle:3.2.1. Required by: project : > Could not resolve com.android.tools.build:gradle:3.2.1. > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.2.1/gradle-3.2.1.pom'. > Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.2.1/gradle-3.2.1.pom'. > Connect to 127.0.0.1:1089 [/127.0.0.1] failed: Connection refused (Connection refused) > Could not resolve com.android.tools.build:gradle:3.2.1. > Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.2.1/gradle-3.2.1.pom'. > Could not GET 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.2.1/gradle-3.2.1.pom'. > Connect to 127.0.0.1:1089 [/127.0.0.1] failed: Connection refused (Connection refused)
* Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 0s Could not install the app on the device, read the error above for details. Make sure you have an Android emulator running or a device connected and have set up your Android development environment: https://facebook.github.io/react-native/docs/getting-started.html
Command failed: ./gradlew installDebug
Error: Command failed: ./gradlew installDebug at checkExecSyncError (child_process.js:616:11) at Object.execFileSync (child_process.js:634:13) at runOnAllDevices (/Users/kiralin/lixiang/idea_app/node_modules/react-native/local-cli/runAndroid/runAndroid.js:299:19) at buildAndRun (/Users/kiralin/lixiang/idea_app/node_modules/react-native/local-cli/runAndroid/runAndroid.js:135:12) at isPackagerRunning.then.result (/Users/kiralin/lixiang/idea_app/node_modules/react-native/local-cli/runAndroid/runAndroid.js:65:12) at process._tickCallback (internal/process/next_tick.js:68:7)
注明一下，我使用的RN版本是0.58.6是58系列最后一个版本。于是想到的第一件事情就是谷歌。最早我搜索的是Could not resolve com.android.tools.build:gradle:3.2.1.,结果发现谷歌到的第一个就是在build.gradle中加入google()方法，然而当我打开我的build.gradle文件，我发现RN官方已经加入了该方法，我顿时感到很诧异，这一招怕是行不通了。其他回答里面还有加入maven配置的，基本上也都行不通。
