java.lang.NoClassDefFoundError: jaco/mp3/player/MP3Player

Stack Overflow | Subdigger | 6 months ago
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    "AWT-EventQueue-0" java.lang.NoClassDefFoundError

    Stack Overflow | 6 months ago | Subdigger
    java.lang.NoClassDefFoundError: jaco/mp3/player/MP3Player
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    samebug tip
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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    jaco.mp3.player.MP3Player

    at java.net.URLClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    4 frames
  3. com.mycompany.audioplayer2
    MainWindow$1.actionPerformed
    1. com.mycompany.audioplayer2.MainWindow.jMenuItem1ActionPerformed(MainWindow.java:88)
    2. com.mycompany.audioplayer2.MainWindow.access$000(MainWindow.java:24)
    3. com.mycompany.audioplayer2.MainWindow$1.actionPerformed(MainWindow.java:56)
    3 frames
  4. Java RT
    EventDispatchThread.run
    1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
    2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
    3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
    4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
    5. javax.swing.AbstractButton.doClick(AbstractButton.java:376)
    6. javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)
    7. javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
    8. java.awt.Component.processMouseEvent(Component.java:6533)
    9. javax.swing.JComponent.processMouseEvent(JComponent.java:3315)
    10. java.awt.Component.processEvent(Component.java:6298)
    11. java.awt.Container.processEvent(Container.java:2236)
    12. java.awt.Component.dispatchEventImpl(Component.java:4889)
    13. java.awt.Container.dispatchEventImpl(Container.java:2294)
    14. java.awt.Component.dispatchEvent(Component.java:4711)
    15. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
    16. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
    17. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
    18. java.awt.Container.dispatchEventImpl(Container.java:2280)
    19. java.awt.Window.dispatchEventImpl(Window.java:2746)
    20. java.awt.Component.dispatchEvent(Component.java:4711)
    21. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
    22. java.awt.EventQueue.access$500(EventQueue.java:97)
    23. java.awt.EventQueue$3.run(EventQueue.java:709)
    24. java.awt.EventQueue$3.run(EventQueue.java:703)
    25. java.security.AccessController.doPrivileged(Native Method)
    26. java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
    27. java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
    28. java.awt.EventQueue$4.run(EventQueue.java:731)
    29. java.awt.EventQueue$4.run(EventQueue.java:729)
    30. java.security.AccessController.doPrivileged(Native Method)
    31. java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
    32. java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
    33. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
    34. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    35. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    36. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    37. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    38. java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
    38 frames