java.lang.NullPointerException

jstock | mohseen1 | 5 years ago
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    java.lang.NullPointerException
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    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 org.yccheok.jstock.gui.Utils.getScrollBarWidth()
    2. org.yccheok.jstock
      AutoCompleteJComboBox$1.popupMenuWillBecomeVisible
      1. org.yccheok.jstock.gui.Utils.getScrollBarWidth(Utils.java:179)
      2. org.yccheok.jstock.gui.Utils.adjustPopupWidth(Utils.java:159)
      3. org.yccheok.jstock.gui.AutoCompleteJComboBox$1.popupMenuWillBecomeVisible(AutoCompleteJComboBox.java:103)
      3 frames
    3. Java RT
      JComboBox.showPopup
      1. javax.swing.JComboBox.firePopupMenuWillBecomeVisible(Unknown Source)
      2. javax.swing.plaf.basic.BasicComboPopup.show(Unknown Source)
      3. javax.swing.plaf.basic.BasicComboBoxUI.setPopupVisible(Unknown Source)
      4. javax.swing.JComboBox.setPopupVisible(Unknown Source)
      5. javax.swing.JComboBox.showPopup(Unknown Source)
      5 frames