Caused by: java.lang.RuntimeException: Duplicate class kotlin.collections.jdk8.CollectionsJDK8Kt

Опубликовано: 07 Август 2026
на канале: Umesro Tech

187

Duplicate class in Kotlin Android Error

Caused by: java.lang.RuntimeException: Duplicate class kotlin.collections.jdk8.CollectionsJDK8Kt found in modules jetified-kotlin-stdlib-1.8.10 (org.jetbrains.kotlin:kotlin-stdlib:1.8.10) and jetified-kotlin-stdlib-jdk8-1.7.10 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.10)

open build.gradle(project) and make update it 1.7.10--1.8.0
before
id 'org.jetbrains.kotlin.android' version '1.7.10' apply false
after
id 'org.jetbrains.kotlin.android' version '1.8.0' apply false

or add in build.gradle(app)

dependencies {
constraints {
implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.0") {
because("kotlin-stdlib-jdk7 is now a part of kotlin-stdlib")
}
implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.8.0") {
because("kotlin-stdlib-jdk8 is now a part of kotlin-stdlib")
}
}
}