query: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException TreeMap
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 38488
negative_passages.text: gwt java.lang.ExceptionInInitializerError
negative_passages.docid: 89487
negative_passages.text: Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()
negative_passages.docid: 33244
negative_passages.text: Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException
negative_passages.docid: 55274
negative_passages.text: Java: Exception itself is null
negative_passages.docid: 24887
negative_passages.text: java.lang.NullPointerException at javax.faces.webapp.UIComponentClassicTagBase.setJspId
negative_passages.docid: 96453
negative_passages.text: Caught Throwable or Exception is null
negative_passages.docid: 10818
negative_passages.text: NullPointerException : println needs a message in android
negative_passages.docid: 24517
negative_passages.text: MVC Spring Implementation - error: java.lang.NullPointerException
negative_passages.docid: 35016
negative_passages.text: java.lang.NullPointerException at org.primefaces.component.datatable.feature.FilterFeature.filter
negative_passages.docid: 65689
negative_passages.text: getting exception while putting list data into the map
negative_passages.docid: 46857
negative_passages.text: Compiler warning: null reference exception
negative_passages.docid: 15496
negative_passages.text: java.util.NoSuchElementException: No line found
negative_passages.docid: 112640
negative_passages.text: WaitAll for multiple handles on a STA thread is not supported
negative_passages.docid: 8277
negative_passages.text: Difference between HashMap, LinkedHashMap and TreeMap
negative_passages.docid: 10867
negative_passages.text: How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?