java.lang.NoClassDefFoundError 在 Android 9 个异步任务中

Question

我刚刚将我们应用程序的新版本发布到 Play 商店，突然收到大量 java.lang.NoClassDefFoundError 异常。它们似乎只适用于 Android 9。这是堆栈跟踪..有什么想法吗？

我似乎无法在调试器中复制它。

java.lang.RuntimeException: 
  at android.os.AsyncTask.done (AsyncTask.java:354)
  at java.util.concurrent.FutureTask.finishCompletion (FutureTask.java:383)
  at java.util.concurrent.FutureTask.setException (FutureTask.java:252)
  at java.util.concurrent.FutureTask.run (FutureTask.java:271)
  at android.os.AsyncTask$SerialExecutor.run (AsyncTask.java:245)
  at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1167)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:641)
  at java.lang.Thread.run (Thread.java:764)
Caused by: java.lang.NoClassDefFoundError: 
  at com.concept2.ergdata.Sync2.getUser (Sync2.java:304)
  at com.concept2.ergdata.Sync2.synchronize (Sync2.java:76)
  at com.concept2.ergdata.ErgData$synchronize.doInBackground (ErgData.java:2284)
  at com.concept2.ergdata.ErgData$synchronize.doInBackground (ErgData.java:2281)
  at android.os.AsyncTask.call (AsyncTask.java:333)
  at java.util.concurrent.FutureTask.run (FutureTask.java:266)
Caused by: java.lang.ClassNotFoundException: 
  at dalvik.system.BaseDexClassLoader.findClass (BaseDexClassLoader.java:169)
  at java.lang.ClassLoader.loadClass (ClassLoader.java:379)
  at java.lang.ClassLoader.loadClass (ClassLoader.java:312)

Answer 1

java 反射在 android 9 中受到限制，有关详细信息，请查看 android site

java.lang.NoClassDefFoundError 在 Android 9 个异步任务中

java.lang.NoClassDefFoundError in Android 9 asynctask

android

android-asynctask

noclassdeffounderror

android-9.0-pie