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This produces the following build.gradle.kts, (the exact same file works on my Windows machine):
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
plugins {
kotlin("jvm") version "1.2.71"
group = "com.test"
version = "1.0-SNAPSHOT"
repositories {
mavenCentral()
dependencies {
compile(kotlin("stdlib-jdk8"))
tasks.withType<KotlinCompile> {
kotlinOptions.jvmTarget = "1.8"
Which produces this error, when trying to do a gradle refresh:
Plugin [id: 'org.jetbrains.kotlin.jvm', version: '1.2.71'] 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:1.2.71')
Searched in the following repositories:
Gradle Central Plugin Repository
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gradle sync by commenting the above lines. The gradle will be set up.
once the gradle is downloaded, uncomment those line and sync again.
if the dependencies are not downloaded properly, run 'gradle build' in the terminal and click on gradle sync.
This solved the issue for me.
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(1) in my case (OpenJDK 11 on Ubuntu 18.04) the problem was Gradle not being able to download the POM file from gradle plugin-server. you can test it by entering this line into jshell:
new java.net.URL("https://plugins.gradle.org/m2/org/jetbrains/kotlin/jvm/org.jetbrains.kotlin.jvm.gradle.plugin/1.3.11/org.jetbrains.kotlin.jvm.gradle.plugin-1.3.11.pom").openStream()
(you can find your url by running gradle with --debug option)
So if you received an exception like this: InvalidAlgorithmParameterException: trustAnchors parameter must be non-empty then the trouble is CA-certs cache. which could be easily fixed by writing these lines into bash Ref:
sudo su
/usr/bin/printf '\xfe\xed\xfe\xed\x00\x00\x00\x02\x00\x00\x00\x00\xe2\x68\x6e\x45\xfb\x43\xdf\xa4\xd9\x92\xdd\x41\xce\xb6\xb2\x1c\x63\x30\xd7\x92' > /etc/ssl/certs/java/cacerts
/var/lib/dpkg/info/ca-certificates-java.postinst configure
By the way do not forget to restart gradle daemon before trying again. (gradle --stop)
(2) another reason could be your internet not having access to bintray.com (the internet of Iran or China) which you can test by putting this line on jshell :
new java.net.URL("https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-gradle-plugin-api/1.3.11/kotlin-gradle-plugin-api-1.3.11.pom").openStream()
If you received a connection timeout, it confirms this theory. In this case you need to buy and have proxy/vpn connected in order to be able to download these dependencies.
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Check your gradle and kotlin (or Java) versions.
I got the same error and my issue is solved by specifying the kotlin version in build.gradle:
Before:
plugins {
id 'org.jetbrains.kotlin.jvm'
After:
plugins {
id 'org.jetbrains.kotlin.jvm' version "1.4.10"
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If you are using java like me .I got the issue fixed by adding the following:
Root gradle
dependencies {
ext.kotlin_version = '1.4.10'
classpath "com.android.tools.build:gradle:7.0.4"
classpath "com.google.dagger:hilt-android-gradle-plugin:2.38.1"
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
......
App gradle file
plugins {
id 'com.android.application'
id 'kotlin-android'
id 'kotlin-kapt'
id 'dagger.hilt.android.plugin'
dependencies {
implementation "com.google.dagger:hilt-android:2.38.1"
kapt "com.google.dagger:hilt-compiler:2.38.1"
......
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Ok, so the answer was very simple all along. For some reason I activated gradle's "Offline work" toggle and that was the cause of the problem.
To disable it simply go to Settings > Build, Execution, Deployment > Build Tools > Gradle and deselect the "Offline work" checkbox.
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I recently had similar issue with an empty project autogenerated by Intellij Idea.
Solved this problem by combining Java and Gradle versions.
Initially I had Oracle Java 8 with Gradle 6.8.3.
After several attempts I found a working combination - AdoptOpenJDK 11 and Gradle 5.6.4
Disconnect from your VPN (or make sure you have an open internet connection), then restart Android Studio.
If you don't restart it sometimes it continues with invalid proxy properties.
This for Ktor devs. If you are working on a ktor application with the web project generator there is a chance the generator sets invalid jvm plugin version. So make sure you are setting correct version for jvm plugin. You can find the latest jvm plugin version here. Here is the sample build.gradle.kts file.
//Plugin section
plugins {
kotlin("jvm") version "1.8.0"
id("io.ktor.plugin") version "2.2.2"
//Dependancy section
dependencies {
testImplementation("io.ktor:ktor-server-tests-jvm:1.8.0")
testImplementation("org.jetbrains.kotlin:kotlin-test-junit:1.8.0")
I was getting Could not find org.jetbrains.kotlin:kotlin-scripting-jvm:1.8.20.
This is because the generated build.gradle uses the kotlin_version to get the jvm and as of right now there is no 1.8.20 version. there are only RC versions of the JVM for that version.
I changed the version to 1.2.10 and it built just fine. So if you come across this, check here to see if plugins.kotlin("jvm") version is using a version that doesn't yet exist.
Luis Fernando Vidal Salazar is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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