java.lang.RuntimeException: An error occurred while executing doInBackground()

Oracle Community | Xylemraj | 5 months ago
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Root Cause Analysis

  1. java.lang.RuntimeException

    Can't create handler inside thread that has not called Looper.prepare()

    at android.os.Handler.<init>()
  2. Android Platform
    Toast.makeText
    1. android.os.Handler.<init>(Handler.java:200)
    2. android.os.Handler.<init>(Handler.java:114)
    3. android.widget.Toast$TN.<init>(Toast.java:345)
    4. android.widget.Toast.<init>(Toast.java:101)
    5. android.widget.Toast.makeText(Toast.java:259)
    5 frames
  3. oracle.cloud.mobile
    UploadPictureActivity$UploadImageTask.doInBackground
    1. oracle.cloud.mobile.gettingstarted.UploadPictureActivity.launchMainActivity(UploadPictureActivity.java:76)
    2. oracle.cloud.mobile.gettingstarted.UploadPictureActivity.access$400(UploadPictureActivity.java:24)
    3. oracle.cloud.mobile.gettingstarted.UploadPictureActivity$UploadImageTask.doInBackground(UploadPictureActivity.java:110)
    4. oracle.cloud.mobile.gettingstarted.UploadPictureActivity$UploadImageTask.doInBackground(UploadPictureActivity.java:95)
    4 frames
  4. Android Platform
    AsyncTask$2.call
    1. android.os.AsyncTask$2.call(AsyncTask.java:295)
    1 frame
  5. Java RT
    FutureTask.run
    1. java.util.concurrent.FutureTask.run(FutureTask.java:237)
    1 frame
  6. Android Platform
    AsyncTask$SerialExecutor$1.run
    1. android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
    1 frame
  7. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
    3. java.lang.Thread.run(Thread.java:818)
    3 frames