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From GitBox <...@apache.org>
Subject [GitHub] [cordova-android] secondVISION commented on issue #1002: NullPointerException: 'void android.app.Activity.runOnUiThread(java.lang.Runnable)' on a null object reference
Date Fri, 17 Jul 2020 07:11:11 GMT

secondVISION commented on issue #1002:
URL: https://github.com/apache/cordova-android/issues/1002#issuecomment-659912485


   Created a sample app: https://github.com/secondVISION/cordova-android-crash
   
   How to reproduce:
   - Click on "Start Cordova"
   - Immediately press the Back key
   - Wait on crash. Cordova will try to load the website in an activity which has already
been destroyed.
     - Waiting can take up to 30 seconds I've noticed
   
   Crash log:
   ```
   2020-07-16 14:06:20.618 19256-19392/com.example.cordovacrash D/EGL_emulation: eglMakeCurrent:
0x8c152aa0: ver 3 0 (tinfo 0x8859b8c0)
   2020-07-16 14:06:39.652 19256-19383/com.example.cordovacrash E/AndroidRuntime: FATAL EXCEPTION:
pool-2-thread-1
       Process: com.example.cordovacrash, PID: 19256
       java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.Activity.runOnUiThread(java.lang.Runnable)'
on a null object reference
           at org.apache.cordova.CordovaWebViewImpl$2.run(CordovaWebViewImpl.java:181)
           at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
           at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
           at java.lang.Thread.run(Thread.java:764)
   2020-07-16 14:06:39.819 19256-19310/com.example.cordovacrash D/EGL_emulation: eglMakeCurrent:
0xa1305300: ver 3 0 (tinfo 0xa13031f0)
   ```


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