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

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Root Cause Analysis

  1. java.lang.NullPointerException

    println needs a message

    at android.util.Log.println_native()
  2. Android Platform
    Log.e
    1. android.util.Log.println_native(Native Method)
    2. android.util.Log.e(Log.java:232)
    2 frames
  3. com.rts.dcmote
    WifiAP$SetWifiAPTask.doInBackground
    1. com.rts.dcmote.dcmote.WifiAP.setWifiApEnabled(WifiAP.java:139)
    2. com.rts.dcmote.dcmote.WifiAP.access$000(WifiAP.java:19)
    3. com.rts.dcmote.dcmote.WifiAP$SetWifiAPTask.doInBackground(WifiAP.java:273)
    4. com.rts.dcmote.dcmote.WifiAP$SetWifiAPTask.doInBackground(WifiAP.java:217)
    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