java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.j.airportmeet/com.example.j.airportmeet.chat.ChatActivity}: java.lang.ClassCastException: java.lang.Object[] cannot be cast to com.example.j.airportmeet.objects.User[]

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    Root Cause Analysis

    1. java.lang.ClassCastException

      java.lang.Object[] cannot be cast to com.example.j.airportmeet.objects.User[]

      at com.example.j.airportmeet.chat.ChatActivity.onCreate()
    2. com.example.j
      ChatActivity.onCreate
      1. com.example.j.airportmeet.chat.ChatActivity.onCreate(ChatActivity.java:111)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:5231)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
      3 frames