java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference [ERROR] : TiApplication: at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:772) [ERROR] : TiApplication: at java.util.concurrent.ConcurrentHashMap.containsKey(ConcurrentHashMap.java:800)

Stack Overflow | Prashant.jha | 6 months ago
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    Unable to implement Facebook Login Button in Titanium

    Stack Overflow | 6 months ago | Prashant.jha
    java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference [ERROR] : TiApplication: at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:772) [ERROR] : TiApplication: at java.util.concurrent.ConcurrentHashMap.containsKey(ConcurrentHashMap.java:800)

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference [ERROR] : TiApplication: at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:772) [ERROR] : TiApplication: at java.util.concurrent.ConcurrentHashMap.containsKey(ConcurrentHashMap.java:800)

      at com.facebook.internal.Utility.queryAppSettings()
    2. com.facebook.internal
      Utility.queryAppSettings
      1. com.facebook.internal.Utility.queryAppSettings(Utility.java:822)
      1 frame
    3. com.facebook.login
      LoginButton$1.run
      1. com.facebook.login.widget.LoginButton$1.run(LoginButton.java:489)
      1 frame
    4. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
      3. java.lang.Thread.run(Thread.java:818)
      3 frames