java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Set java.util.Map.keySet()' on a null object reference

Stack Overflow | Mikel Sanchez | 3 months ago
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    Firebase Remote Config NullPointer

    Stack Overflow | 3 months ago | Mikel Sanchez
    java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Set java.util.Map.keySet()' on a null object reference
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    GitHub comment 693#156553179

    GitHub | 1 year ago | hideki
    java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Set java.util.Map.keySet()' on a null object reference
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    GitHub comment 693#151132365

    GitHub | 1 year ago | francescopedronomnys
    java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Set java.util.Map.keySet()' on a null object reference
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    Firebase Android parse sub keys data

    Stack Overflow | 1 month ago | Munish Kapoor
    java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Set java.util.Map.entrySet()' on a null object reference
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    com.br | 1 year ago
    java.lang.RuntimeException: An error occured while executing doInBackground()

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke interface method 'java.util.Set java.util.Map.keySet()' on a null object reference

      at com.google.android.gms.internal.zzalt.zza()
    2. com.google.android
      zzalt.run
      1. com.google.android.gms.internal.zzalt.zza(Unknown Source)
      2. com.google.android.gms.internal.zzalt.run(Unknown Source)
      2 frames
    3. Android Platform
      AsyncTask$SerialExecutor$1.run
      1. android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
      1 frame
    4. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
      3. java.lang.Thread.run(Thread.java:818)
      3 frames