java.lang.ClassNotFoundException: javax.media.Player
   at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:252)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
Caused: java.lang.NoClassDefFoundError: javax/media/Player
   at java.lang.Class.getDeclaredMethods0(Class.java:0)
   at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
   at java.lang.Class.getDeclaredMethod(Class.java:1935)
   at java.awt.Component.isCoalesceEventsOverriden(Component.java:5819)
   at java.awt.Component.access$300(Component.java:168)
   at java.awt.Component$3.run(Component.java:5773)
   at java.awt.Component$3.run(Component.java:5771)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.awt.Component.checkCoalescing(Component.java:5770)
   at java.awt.Component.<init>(Component.java:5739)
   at java.awt.Container.<init>(Container.java:239)
   at javax.swing.JComponent.<init>(JComponent.java:581)
   at org.openide.windows.TopComponent.<init>(TopComponent.java:209)
   at org.openide.windows.TopComponent.<init>(TopComponent.java:198)
   at org.netbeans.modules.mediaplayer.MediaPlayerTopComponent.<init>(MediaPlayerTopComponent.java:83)
   at org.netbeans.modules.mediaplayer.MediaPlayerTopComponent.getDefault(MediaPlayerTopComponent.java:601)
   at org.netbeans.modules.mediaplayer.MediaPlayerTopComponent.findInstance(MediaPlayerTopComponent.java:615)
   at org.netbeans.modules.mediaplayer.MyAction.actionPerformed(MyAction.java:18)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
   at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1225)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1266)
   at java.awt.Component.processMouseEvent(Component.java:6134)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
   at java.awt.Component.processEvent(Component.java:5899)
   at java.awt.Container.processEvent(Container.java:2023)
   at java.awt.Component.dispatchEventImpl(Component.java:4501)
   at java.awt.Container.dispatchEventImpl(Container.java:2081)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3965)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895)
   at java.awt.Container.dispatchEventImpl(Container.java:2067)
   at java.awt.Window.dispatchEventImpl(Window.java:2458)
   at java.awt.Component.dispatchEvent(Component.java:4331)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)