java.lang.NullPointerException

Google Groups | Vikram | 7 years ago
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  1. 0

    structure233 front-end problem

    Google Groups | 7 years ago | Vikram
    java.lang.NullPointerException
  2. 0

    Making Java version of Notepad and I have a problem

    Stack Overflow | 7 years ago | Tr.
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.swing.text.WrappedPlainView$WrappedLine.update()
    2. Java RT
      JTextArea.append
      1. javax.swing.text.WrappedPlainView$WrappedLine.update(Unknown Source)
      2. javax.swing.text.WrappedPlainView$WrappedLine.insertUpdate(Unknown Source)
      3. javax.swing.text.WrappedPlainView.insertUpdate(UnknownSource)
      4. javax.swing.plaf.basic.BasicTextUI$RootView.insertUpdate(Unknown Source)
      5. javax.swing.plaf.basic.BasicTextUI$UpdateHandler.insertUpdate(Unknown Source)
      6. javax.swing.text.AbstractDocument.fireInsertUpdate(UnknownSource)
      7. javax.swing.text.AbstractDocument.handleInsertString(Unknown Source)
      8. javax.swing.text.AbstractDocument.insertString(UnknownSource)
      9. javax.swing.text.PlainDocument.insertString(Unknown Source)
      10. javax.swing.JTextArea.append(Unknown Source)
      10 frames
    3. Controller
      JobManager.run
      1. Controller.JobManager.run(Unknown Source)
      1 frame