Android Studio解决kotlin-stdlib-jdk7和kotlin-stdlib-jdk8库版本冲突（Java示范）

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已于 2025-01-18 23:38:23 修改

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分类专栏： Android Studio进阶之路文章标签： android studio kotlin android java 前端后端

于 2025-01-18 23:37:14 首次发布

本文链接：https://blog.youkuaiyun.com/m0_74353785/article/details/145234490

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在Android Studio使用中，某次运行可能突然报错，类似于：（Duplicate class kotlin.internal jdk7……）

A failure occurred while executing com.android.build.gradle.internal.tasks.CheckDuplicatesRunnable
> Duplicate class kotlin.collections.jdk8.CollectionsJDK8Kt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.internal.jdk7.JDK7PlatformImplementations found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk7-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.21)
  Duplicate class kotlin.internal.jdk7.JDK7PlatformImplementations$ReflectSdkVersion found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk7-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.21)
  Duplicate class kotlin.internal.jdk8.JDK8PlatformImplementations found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.internal.jdk8.JDK8PlatformImplementations$ReflectSdkVersion found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.io.path.ExperimentalPathApi found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk7-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.21)
  Duplicate class kotlin.io.path.PathRelativizer found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk7-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.21)
  Duplicate class kotlin.io.path.PathsKt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk7-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.21)
  Duplicate class kotlin.io.path.PathsKt__PathReadWriteKt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk7-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.21)
  Duplicate class kotlin.io.path.PathsKt__PathUtilsKt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk7-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.21)
  Duplicate class kotlin.jdk7.AutoCloseableKt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk7-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.21)
  Duplicate class kotlin.jvm.jdk8.JvmRepeatableKt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.random.jdk8.PlatformThreadLocalRandom found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.streams.jdk8.StreamsKt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.streams.jdk8.StreamsKt$asSequence$$inlined$Sequence$1 found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.streams.jdk8.StreamsKt$asSequence$$inlined$Sequence$2 found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.streams.jdk8.StreamsKt$asSequence$$inlined$Sequence$3 found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.streams.jdk8.StreamsKt$asSequence$$inlined$Sequence$4 found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.text.jdk8.RegexExtensionsJDK8Kt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)
  Duplicate class kotlin.time.jdk8.DurationConversionsJDK8Kt found in modules kotlin-stdlib-1.8.0-Beta (org.jetbrains.kotlin:kotlin-stdlib:1.8.0-Beta) and kotlin-stdlib-jdk8-1.6.21 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.21)

这种问题在Kotlin1.8.0以后的版本比较常见，即使在Java模式下，也可能发生。可以在Project Files视图下找到app->build gradle.kts文件（注意有两个build gradle，不要选错了）

也可以在Android视图下选择，选择后缀为（Model：app）的build gradle

在其中添加如下代码：

   constraints {
        implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.10"){because("kotlin-stdlib-jdk7 is now a part of kotlin-stdlib")}
        implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.8.10"){because("kotlin-stdlib-jdk8 is now a part of kotlin-stdlib")}
                }

添加后效果如下：

点击Sync Now更新gradle ，重新启动app即可解决jdk7与jdk8不兼容的问题。

后记：当时为了寻找这个问题的答案花了两天的时间，在优快云、知乎、Stack Overflow以及chatgpt4o中查找了无数方案但始终失败。直到我在Youtube找到了Coffee Programmer的视频，在此感谢这位作者，并附上视频链接，有条件的朋友可以观看原视频：Duplicate class kotlin.collections.jdk8.CollectionsJDK8Kt found in modules kotlin-stdlib-1.8.10

Thank You！