java.lang.NullPointerException

Coderanch | Sven Andersson | 5 years ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at Entry.equals()
  2. Unknown
    Entry.equals
    1. Entry.equals(Test.java:31)
    1 frame
  3. Java RT
    JComboBox.removeAllItems
    1. javax.swing.JComboBox.contentsChanged(Unknown Source)
    2. javax.swing.JComboBox.intervalRemoved(Unknown Source)
    3. javax.swing.AbstractListModel.fireIntervalRemoved(Unknown Source)
    4. javax.swing.DefaultComboBoxModel.removeAllElements(Unknown Source)
    5. javax.swing.JComboBox.removeAllItems(Unknown Source)
    5 frames
  4. Unknown
    Test.main
    1. Test.main(Test.java:8)
    1 frame