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android-studio - 当我将 Android Studio 升级到北极狐 2020.3.1 时，mavenCentral() 不起作用

问题描述

我有一个android项目，它以前运行良好。

今天我将Android Studio升级到Arctic Fox 2020.3.1，然后在Android Studio Arctic Fox 2020.3.1中运行项目，但出现以下错误。

我调试项目，我认为代码mavenCentral()导致错误，所以我替换 mavenCentral()为jcenter()，应用程序可以正常工作。

我知道那jcenter()已经过时了，但为什么会mavenCentral()导致错误？

错误

**Execution failed for task ':app:kaptGenerateStubsFreeDebugMiniKotlin'.
> Could not resolve all files for configuration ':app:kapt'.
   > Failed to transform kotlinx-metadata-jvm-0.2.0.jar (org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.2.0) to match attributes {artifactType=processed-jar, org.gradle.category=library, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-runtime}.
      > Could not download kotlinx-metadata-jvm-0.2.0.jar (org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.2.0)
         > Could not get resource 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlinx/kotlinx-metadata-jvm/0.2.0/kotlinx-metadata-jvm-0.2.0.jar'.
            > Could not GET 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlinx/kotlinx-metadata-jvm/0.2.0/kotlinx-metadata-jvm-0.2.0.jar'.
               > Connect to repo.maven.apache.org:443 [repo.maven.apache.org/127.0.0.1] failed: Connection refused: connect
   > Failed to transform annotations-12.0.jar (com.intellij:annotations:12.0) to match attributes {artifactType=processed-jar, org.gradle.category=library, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-runtime}.
      > Could not download annotations-12.0.jar (com.intellij:annotations:12.0)
         > Could not get resource 'https://repo.maven.apache.org/maven2/com/intellij/annotations/12.0/annotations-12.0.jar'.
            > Could not GET 'https://repo.maven.apache.org/maven2/com/intellij/annotations/12.0/annotations-12.0.jar'.
               > Connect to repo.maven.apache.org:443 [repo.maven.apache.org/127.0.0.1] failed: Connection refused: connect
   > Failed to transform guava-29.0-jre.jar (com.google.guava:guava:29.0-jre) to match attributes {artifactType=processed-jar, org.gradle.category=library, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-runtime}.
      > Could not download guava-29.0-jre.jar (com.google.guava:guava:29.0-jre)
         > Could not get resource 'https://repo.maven.apache.org/maven2/com/google/guava/guava/29.0-jre/guava-29.0-jre.jar'.
            > Could not GET 'https://repo.maven.apache.org/maven2/com/google/guava/guava/29.0-jre/guava-29.0-jre.jar'.
               > Connect to repo.maven.apache.org:443 [repo.maven.apache.org/127.0.0.1] failed: Connection refused: connect
   > Failed to transform checker-qual-2.11.1.jar (org.checkerframework:checker-qual:2.11.1) to match attributes {artifactType=processed-jar, org.gradle.category=library, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-runtime}.
      > Could not download checker-qual-2.11.1.jar (org.checkerframework:checker-qual:2.11.1)
         > Could not get resource 'https://repo.maven.apache.org/maven2/org/checkerframework/checker-qual/2.11.1/checker-qual-2.11.1.jar'.
            > Could not GET 'https://repo.maven.apache.org/maven2/org/checkerframework/checker-qual/2.11.1/checker-qual-2.11.1.jar'.
               > Connect to repo.maven.apache.org:443 [repo.maven.apache.org/127.0.0.1] failed: Connection refused: connect
   > Failed to transform error_prone_annotations-2.3.4.jar (com.google.errorprone:error_prone_annotations:2.3.4) to match attributes {artifactType=processed-jar, org.gradle.category=library, org.gradle.libraryelements=jar, org.gradle.status=release, org.gradle.usage=java-runtime}.
      > Could not download error_prone_annotations-2.3.4.jar (com.google.errorprone:error_prone_annotations:2.3.4)
         > Could not get resource 'https://repo.maven.apache.org/maven2/com/google/errorprone/error_prone_annotations/2.3.4/error_prone_annotations-2.3.4.jar'.
            > Could not GET 'https://repo.maven.apache.org/maven2/com/google/errorprone/error_prone_annotations/2.3.4/error_prone_annotations-2.3.4.jar'.
               > Connect to repo.maven.apache.org:443 [repo.maven.apache.org/127.0.0.1] failed: Connection refused: connect**

*** 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.**

构建.gradle

buildscript {
    ext.kotlin_version = "1.5.0"
    repositories {
        google()
        jcenter()
        //mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.2.2'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

        classpath "androidx.navigation:navigation-safe-args-gradle-plugin:2.3.5"

    }
}


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


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

标签： android-studioandroid-studio-arctic-fox

解决方案

您是否检查过您的主机文件以获取对 repo.maven.apache.org 的引用？

原因：

[repo.maven.apache.org/127.0.0.1] failed: Connection refused: connect

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