query: I faced with this error || java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 79586
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object
negative_passages.docid: 15113
negative_passages.text: How to use an array list in Java?
negative_passages.docid: 48512
negative_passages.text: Placing null at the end of the List
negative_passages.docid: 73120
negative_passages.text: Nullpointerexception when trying to send data from activity to class
negative_passages.docid: 38191
negative_passages.text: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
negative_passages.docid: 132398
negative_passages.text: What is null in Java?
negative_passages.docid: 45196
negative_passages.text: Calling class method through NULL class pointer
negative_passages.docid: 28343
negative_passages.text: Initial size for the ArrayList
negative_passages.docid: 24887
negative_passages.text: java.lang.NullPointerException at javax.faces.webapp.UIComponentClassicTagBase.setJspId
negative_passages.docid: 88920
negative_passages.text: Is using NULL references OK?
negative_passages.docid: 138618
negative_passages.text: How to resolve NullPointerException error in my below POM code?
negative_passages.docid: 54938
negative_passages.text: Cannot invoke method or retrieve property from null object. Object returned by the following call stack is null. \"File\r\n\"
negative_passages.docid: 108336
negative_passages.text: Nullable Object must have a value #2
negative_passages.docid: 93104
negative_passages.text: What is a NumberFormatException and how can I fix it?
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()