java.lang.NoClassDefFoundError 报错解决

GeniuswongAir

于 2024-11-22 09:49:13 发布

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文章标签： java 开发语言

本文链接：https://blog.youkuaiyun.com/wgx8635/article/details/143960863

找不到Class的报错原因有很多种，无非是文件路径、包名、AndroidManifest.xml配置、缓存、等等。

我这个的原因是，在 Kotlin 包里面导入了一个java写的Activity，导致不找到Class。

解决：（加上这个配置就好了）

android {
    sourceSets {
        main {
            java.srcDirs += 'src/main/kotlin'
        }
    }

FATAL EXCEPTION: main
Process: com., PID: 6325
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/example/new_msdj_app/MyELoginActivityFullscreen;
   at com.example.new_msdj_app.MainActivity.initGysdkNewChannel$lambda$1$lambda$0(MainActivity.kt:42)
   at com.example.new_msdj_app.MainActivity.$r8$lambda$dz7NOLRhTiQ9UESTVMjmT52DaVA(Unknown Source:0)
   at com.example.new_msdj_app.MainActivity$$ExternalSyntheticLambda0.onMethodCall(D8$$SyntheticClass:0)
   at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:267)
   at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:292)
   at io.flutter.embedding.engine.dart.DartMessenger.lambda$dispatchMessageToQueue$0$io-flutter-embedding-engine-dart-DartMessenger(DartMessenger.java:319)
   at io.flutter.embedding.engine.dart.DartMessenger$$ExternalSyntheticLambda0.run(D8$$SyntheticClass:0)
   at android.os.Handler.handleCallback(Handler.java:908)
   at android.os.Handler.dispatchMessage(Handler.java:103)
   at android.os.Looper.loop(Looper.java:219)
   at android.app.ActivityThread.main(ActivityThread.java:8679)
   at java.lang.reflect.Method.invoke(Native Method)
   at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1109)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.new_msdj_app.MyELoginActivityFullscreen" on path: DexPathList[[zip file "/data/app/com.***.szmd-Yl9wfABKK2HHeiOm1tPR_w==/base.apk"],nativeLibraryDirectories=[/data/app/com.-Yl9wfABKK2HHeiOm1tPR_w==/lib/arm64, /data/app/com.-Yl9wfABKK2HHeiOm1tPR_w==/base.apk!/lib/arm64-v8a, /system/lib64, /hw_product/lib64, /system/product/lib64, /prets/lib64]]
   at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:209)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
   at com.example.new_msdj_app.MainActivity.initGysdkNewChannel$lambda$1$lambda$0(MainActivity.kt:42)
   at com.example.new_msdj_app.MainActivity.$r8$lambda$dz7NOLRhTiQ9UESTVMjmT52DaVA(Unknown Source:0)
   at com.example.new_msdj_app.MainActivity$$ExternalSyntheticLambda0.onMethodCall(D8$$SyntheticClass:0)
   at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:267)
   at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:292)
   at io.flutter.embedding.engine.dart.DartMessenger.lambda$dispatchMessageToQueue$0$io-flutter-embedding-engine-dart-DartMessenger(DartMessenger.java:319)
   at io.flutter.embedding.engine.dart.DartMessenger$$ExternalSyntheticLambda0.run(D8$$SyntheticClass:0)
   at android.os.Handler.handleCallback(Handler.java:908)
   at android.os.Handler.dispatchMessage(Handler.java:103)
   at android.os.Looper.loop(Looper.java:219)
   at android.app.ActivityThread.main(ActivityThread.java:8679)
   at java.lang.reflect.Method.invoke(Native Method)
   at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1109)