query: java.lang.NullPointerException at threads
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 81518
negative_passages.text: Find out what variable is throwing a NullPointerException programmatically
negative_passages.docid: 9396
negative_passages.text: NullPointerException on AlarmManager.setRepeating() - ElapsedRealTime - Android
negative_passages.docid: 1087
negative_passages.text: The calling thread cannot access this object because a different thread owns it
negative_passages.docid: 128316
negative_passages.text: i found Null pointer exception while executing testng in selenium
negative_passages.docid: 73285
negative_passages.text: Null Pointer Exception in XMl Parsing
negative_passages.docid: 112490
negative_passages.text: Update ListView in the main thread from another thread
negative_passages.docid: 24887
negative_passages.text: java.lang.NullPointerException at javax.faces.webapp.UIComponentClassicTagBase.setJspId
negative_passages.docid: 24517
negative_passages.text: MVC Spring Implementation - error: java.lang.NullPointerException
negative_passages.docid: 57412
negative_passages.text: Is there a way to make Runnable's run() throw an exception?
negative_passages.docid: 8808
negative_passages.text: Strange Java null behavior in Method Overloading
negative_passages.docid: 140738
negative_passages.text: Does setting Java objects to null do anything anymore?
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 156764
negative_passages.text: I get exception when using Thread.sleep(x) or wait()
negative_passages.docid: 106257
negative_passages.text: What are the possible problems caused by adding elements to unsynchronized ArrayList's object by multiple threads simultaneously?
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 18250
negative_passages.text: What could cause java.lang.reflect.InvocationTargetException?