Android throws "duplicat class found" at me but I did not do anthing
What can I do with this error? Find nothing on the internet
Duplicate class kotlin.collections.jdk8.CollectionsJDK8Kt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk8-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.21)
Duplicate class kotlin.internal.jdk7.JDK7PlatformImplementations found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.internal.jdk7.JDK7PlatformImplementations$ReflectSdkVersion found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.internal.jdk8.JDK8PlatformImplementations found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk8-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.21)
Duplicate class kotlin.internal.jdk8.JDK8PlatformImplementations$ReflectSdkVersion found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk8-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.21)
Duplicate class kotlin.io.path.DirectoryEntriesReader found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.ExperimentalPathApi found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.FileVisitorBuilder found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.FileVisitorBuilderImpl found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.FileVisitorImpl found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.LinkFollowing found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathNode found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathRelativizer found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathTreeWalk found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathTreeWalk$bfsIterator$1 found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathTreeWalk$dfsIterator$1 found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathTreeWalkKt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathWalkOption found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathsKt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathsKt__PathReadWriteKt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.io.path.PathsKt__PathUtilsKt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.jdk7.AutoCloseableKt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk7-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.21)
Duplicate class kotlin.jvm.jdk8.JvmRepeatableKt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk8-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.21)
Duplicate class kotlin.jvm.optionals.OptionalsKt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk8-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.21)
Duplicate class kotlin.random.jdk8.PlatformThreadLocalRandom found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk8-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.21)
Duplicate class kotlin.streams.jdk8.StreamsKt found in modules kotlin-stdlib-1.8.0 (org.jetbrains.kotlin:kotlin-stdlib:1.8.0) and kotlin-stdlib-jdk8-1.7.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.21)
and so on ...
CodePudding user response：
I'm no expert, but this same issue happened to me after changing my Kotlin version from 1.7.0 to 1.8.0. Check your app-level build.gradle file to make sure you're using your desired version (in your case, I believe it should be 1.8.0):
dependencies {
implementation 'androidx.core:core-ktx:1.8.0'
}
CodePudding user response：
just add
implementation(platform("org.jetbrains.kotlin:kotlin-bom:1.8.0"))
in dependencies
it solved my problem.