query: Can't seem to understand what is the problem here. i have this error message Exception in thread "main" java.lang.NullPointerException
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 72467
negative_passages.text: java.lang.System error in Console()
negative_passages.docid: 141129
negative_passages.text: InputStream returning NullPointerException (Java)
negative_passages.docid: 125946
negative_passages.text: ' Exception in Application start method, java.lang.reflect.InvocationTargetException ' while reading and displaying from database
negative_passages.docid: 144658
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object ,sravn
negative_passages.docid: 129085
negative_passages.text: What is "String args[]"? parameter in main method Java
negative_passages.docid: 58054
negative_passages.text: When is it OK to catch NullPointerException?
negative_passages.docid: 35016
negative_passages.text: java.lang.NullPointerException at org.primefaces.component.datatable.feature.FilterFeature.filter
negative_passages.docid: 43261
negative_passages.text: Why main() method is needed in java main class
negative_passages.docid: 128142
negative_passages.text: java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 54390
negative_passages.text: "does not contain a static 'main' method suitable for an entry point"
negative_passages.docid: 108336
negative_passages.text: Nullable Object must have a value #2
negative_passages.docid: 68787
negative_passages.text: Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined
negative_passages.docid: 43446
negative_passages.text: JSONException: Value of type java.lang.String cannot be converted to JSONObject
negative_passages.docid: 106
negative_passages.text: What is a void pointer and what is a null pointer?