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I'm a beginner in gradle, using version 4.8.

Whatever I do , the plugins are never found. I get this error message:

Plugin [id: 'org.jetbrains.kotlin.jvm', version: '1.3.20'] was not found in any of the following sources:

Gradle Core Plugins (plugin is not in 'org.gradle' namespace)

Plugin Repositories (could not resolve plugin artifact 'org.jetbrains.kotlin.jvm:org.jetbrains.kotlin.jvm.gradle.plugin:1.3.20') Searched in the following repositories: Gradle Central Plugin Repository

No matter how many repositories I add, it seems it is only looking in "Gradle Central Plugin Repository"

My gradle.build file:

buildscript {
    repositories {
        mavenCentral()
        maven {
            url "https://plugins.gradle.org/m2/"
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.20"
        classpath "org.jetbrains.kotlin.jvm:kotlin-gradle-plugin:1.3.20"
plugins {
    id 'java'
    id 'org.jetbrains.kotlin.jvm' version '1.3.20'
    id 'kotlin2js' version '1.3.20'
Can you help me?
I had similar problem because i forgot about proxy settings like systemProp.https.proxyHost and systemProp.http.proxyHost and etc. that was set in ~/.gradle/gradle.properties.
I fixed configuration and plugin was successfully dowlnloaded
Check gradle.properties and try to add correct proxy settings if you behind firewall or escape this settings if you not.
                I try it , it did'nt work. I still only have     Gradle Central Plugin Repository as repository where it seems to search
– sab
                Feb 1, 2019 at 17:32
                @sab it's even in that repository: plugins.gradle.org/plugin/org.jetbrains.kotlin.android ... while org.jetbrains.kotlin.jvm:kotlin-gradle-plugin:1.3.20 simply might not exist.
– Martin Zeitler
                Feb 1, 2019 at 17:57
                As it’s currently written, your answer is unclear. Please edit to add additional details that will help others understand how this addresses the question asked. You can find more information on how to write good answers in the help center.
– Community
                Dec 15, 2021 at 7:26
        
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