query: E/AndroidRuntime: FATAL EXCEPTION: main java.lang.NullPointerException:activity.RegisterActivity.registerUser(RegisterActivity.java:247)
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 19797
negative_passages.text: when EditText is empty and click calculateButton, app crashes
negative_passages.docid: 5052
negative_passages.text: RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
negative_passages.docid: 143664
negative_passages.text: setOnClickListener crashs my android app
negative_passages.docid: 138020
negative_passages.text: Fatal Error: Invalid Layout of java.lang.String at value
negative_passages.docid: 98866
negative_passages.text: Null Pointer Exception on getGraphics()
negative_passages.docid: 156920
negative_passages.text: Java.lang.verifyerror how do I fix or even find out the root cause?
negative_passages.docid: 144423
negative_passages.text: "No enclosing instance of type" error while calling method from another class in Android
negative_passages.docid: 3984
negative_passages.text: How to fix 'android.os.NetworkOnMainThreadException'?
negative_passages.docid: 73120
negative_passages.text: Nullpointerexception when trying to send data from activity to class
negative_passages.docid: 11458
negative_passages.text: NullReferenceException in Unity
negative_passages.docid: 55274
negative_passages.text: Java: Exception itself is null
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 93489
negative_passages.text: How to resolve javax/mail/MessagingException?
negative_passages.docid: 73285
negative_passages.text: Null Pointer Exception in XMl Parsing
negative_passages.docid: 84461
negative_passages.text: Unable instantiate android.gms.maps.MapFragment
negative_passages.docid: 9396
negative_passages.text: NullPointerException on AlarmManager.setRepeating() - ElapsedRealTime - Android