Android Studio 3.1.3 Gradle同步错误无法下载Gradle-Core.jar

如何解决Android Studio 3.1.3 Gradle同步错误无法下载Gradle-Core.jar？
尝试将以下内容google()作为第一个回购。不要把它放在jcenter()和mavenCentral()你现有的Android Studio项目。

repositories {
google() // make this repo as the first one if Android Gradle Plugin is upgraded from 2.x to 3.x.
jcenter()
mavenCentral()
}
对于使用Android Gradle Plugin较低版本（例如2.2.3）的React Native或Cordovalib项目，你可以尝试将其替换为google()以下内容，但请记住将其作为第一个回购选择。

repositories {
// google()
maven {
url "https://maven.google.com%22/
}
jcenter()
}
清理所有旧.gradle缓存，然后执行新的同步。

解决方法
我试图熟悉夏季爱好的构建应用程序。但是，在过去几天中，当我尝试同步Gradle时，出现了相同的错误，指出

gradle-core.jar无法下载。

我将在这篇文章的底部发布完整的错误消息。

当然，我确保我不在离线模式下工作。最重要的是，我强迫https://使用来获取源http://。我还将文件中https://distributionurl/ 更改为http：// gradle-wrapper.properties。我尝试了不同的代理，并已将build.gradle文件中的存储库更改为jcenter(),mavenCentral(),and google().

我什至尝试与防火墙同步，并且防病毒功能已关闭，但没有任何作用。在下面，你将找到我的整个错误消息。

org.gradle.api.ProjectConfigurationException: A problem occurred configuring root project 'AndroidStudioProjects'.
...
at org.gradle.configuration.project.LifecycleProjectEvaluator.doConfigure(LifecycleProjectEvaluator.java:64)
... 84 more
Caused by: org.gradle.internal.resolve.ArtifactResolveException: Could not download gradle-core.jar (com.android.tools.build:gradle-core:3.1.3)
at org.gradle.api.internal.artifacts.repositories.resolver.ExternalResourceResolver$RemoteRepositoryAccess.resolveArtifact(ExternalResourceResolver.java:506)
at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.CachingModuleComponentRepository$ResolveAndCacheRepositoryAccess.resolveArtifact(CachingModuleComponentRepository.java:409)
at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.BaseModuleComponentRepositoryAccess.resolveArtifact(BaseModuleComponentRepositoryAccess.java:65)
at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.memcache.InMemoryCachedModuleComponentRepository$CachedAccess.resolveArtifact(InMemoryCachedModuleComponentRepository.java:124)
at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.ErrorHandlingModuleComponentRepository$ErrorHandlingModuleComponentRepositoryAccess.resolveArtifact(ErrorHandlingModuleComponentRepository.java:171)
...
... 6 more
Caused by: org.gradle.api.resources.ResourceException: Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle-core/3.1.3/gradle-core-3.1.3.jar'.
at org.gradle.internal.resource.ResourceExceptions.failure(ResourceExceptions.java:74)
at org.gradle.internal.resource.ResourceExceptions.getFailed(ResourceExceptions.java:57)
at org.gradle.internal.resource.transfer.AccessorBackedExternalResource.withContentIfPresent(AccessorBackedExternalResource.java:146)
...
at org.gradle.api.internal.artifacts.repositories.resolver.ExternalResourceResolver$RemoteRepositoryAccess.resolveArtifact(ExternalResourceResolver.java:499)
... 27 more
Caused by: javax.net.ssl.SSLException: SSL peer shut down incorrectly
at sun.security.ssl.InputRecord.readV3Record(InputRecord.java:596)
at sun.security.ssl.InputRecord.read(InputRecord.java:532)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:983)
at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:940)
at sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:139)
at org.apache.http.impl.io.SessionInputBufferImpl.read(SessionInputBufferImpl.java:200)
...
at org.gradle.internal.resource.transfer.AccessorBackedExternalResource.withContentIfPresent(AccessorBackedExternalResource.java:137)
... 44 more
（编辑）：以下是我的相关文件

build.gradle：

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
ext.kotlin_version = '1.2.30'
repositories {
jcenter()
mavenCentral()
google()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.1.3'
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 {
jcenter()
mavenCentral()
google()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
gradle-wrapper.properties：

#Tue Jun 26 21:50:19 MDT 2018
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=http://services.gradle.org/distributions/gradle-4.4-all.zip
gradle.properties：

Project-wide Gradle settings.

IDE (e.g. Android Studio) users:

Gradle settings configured through the IDE will override

any settings specified in this file.

For more details on how to configure your build environment visit

http://www.gradle.org/docs/current/userguide/build_environment.html

Specifies the JVM arguments used for the daemon process.

The setting is particularly useful for tweaking memory settings.

org.gradle.jvmargs=-Xmx1536m

When configured,Gradle will run in incubating parallel mode.

This option should only be used with decoupled projects. More details,visit

http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects

org.gradle.parallel=true

settings.gradle：

include ':app'
local.properties：

This file is automatically generated by Android Studio.

Do not modify this file -- YOUR CHANGES WILL BE ERASED!

This file should NOT be checked into Version Control Systems,# as it contains information specific to your local configuration.

Location of the SDK. This is only used by Gradle.

For customization when using a Version Control System,please read the

header note.

sdk.dir=C:\Users\jddah\AppData\Local\Android\Sdk
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