java.lang.NullPointerException

Coderanch | Alex Birmingham | 8 years ago
  1. 0

    NullPointerException with setCaretPosition?

    Coderanch | 8 years ago | Alex Birmingham
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.swing.text.DefaultStyledDocument.getParagraphElement()
    2. Java RT
      JTextComponent.setCaretPosition
      1. javax.swing.text.DefaultStyledDocument.getParagraphElement(Unknown Source)
      2. javax.swing.text.StyledEditorKit$AttributeTracker.updateInputAttributes(Unknown Source)
      3. javax.swing.text.StyledEditorKit$AttributeTracker.caretUpdate(Unknown Source)
      4. javax.swing.text.JTextComponent.fireCaretUpdate(Unknown Source)
      5. javax.swing.text.JTextComponent$MutableCaretEvent.fire(Unknown Source)
      6. javax.swing.text.JTextComponent$MutableCaretEvent.stateChanged(Unknown Source)
      7. javax.swing.text.DefaultCaret.fireStateChanged(Unknown Source)
      8. javax.swing.text.DefaultCaret.changeCaretPosition(Unknown Source)
      9. javax.swing.text.DefaultCaret.handleSetDot(Unknown Source)
      10. javax.swing.text.DefaultCaret.setDot(Unknown Source)
      11. javax.swing.text.DefaultCaret.setDot(Unknown Source)
      12. javax.swing.text.JTextComponent.setCaretPosition(Unknown Source)
      12 frames
    3. navea.system
      Display.actionPerformed
      1. navea.system.Display.scrollToBottom(Display.java:116)
      2. navea.system.Display.actionPerformed(Display.java:150)
      2 frames