query: NullPointerException for JFileChooser
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 156435
negative_passages.text: FileNotFoundException, the file exists Java
negative_passages.docid: 119573
negative_passages.text: NullPointerException in Java with no StackTrace
negative_passages.docid: 140738
negative_passages.text: Does setting Java objects to null do anything anymore?
negative_passages.docid: 23999
negative_passages.text: NullPointerException while parsing XML callout response
negative_passages.docid: 35129
negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 10818
negative_passages.text: NullPointerException : println needs a message in android
negative_passages.docid: 40323
negative_passages.text: How to browse for a file in java swing library?
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()
negative_passages.docid: 86008
negative_passages.text: How do I open the JavaFX FileChooser from a controller class?
negative_passages.docid: 122267
negative_passages.text: How to select an index value from a String Array in a JOptionPane
negative_passages.docid: 147879
negative_passages.text: Exception when taking a heapdump using JMAP
negative_passages.docid: 88459
negative_passages.text: XmlSerializer giving FileNotFoundException at constructor
negative_passages.docid: 79586
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object
negative_passages.docid: 73285
negative_passages.text: Null Pointer Exception in XMl Parsing
negative_passages.docid: 70648
negative_passages.text: ActionListener isn't Implementing
negative_passages.docid: 29271
negative_passages.text: *.xhtml url-pattern causes java.lang.NullPointerException at com.sun.faces.context.flash.ELFlash.loggingGetPhaseMapForReading