troubleshooting Question

NetBeans IDE: Classpath not working for a JLabel icon image file

Avatar of mgalig1010
mgalig1010 asked on
Java
10 Comments3 Solutions2834 ViewsLast Modified:
I get an error after using NetBeans to select an image file for a JLabel icon.

IDE code that works:
gallows.setIcon(new javax.swing.ImageIcon("K:\\Hangman\\images\\gallows.gif"));

IDE code that fails when I run the project:
gallows.setIcon(new javax.swing.ImageIcon(getClass().getResource("/gallows.gif")));

How I'm selecting the image location:
1) from the IDE click the [...] next to the icon property of my label then choose classpath and click [select file].
2) I am able to navigate to the file correctly and it is displayed in the preview window. I can even see it when I click on the test form button.

If I run my file I get an error:
netbeans Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
        at javax.swing.ImageIcon.<init>(ImageIcon.java:138)
        at Keyboard.initComponents(Keyboard.java:175)
        at Keyboard.<init>(Keyboard.java:15)
        <following errors removed by me>
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