java.lang.IllegalAccessError: class com.sun.media.sou nd.AbstractPlayer cannot access its superclass com.sun.media.sound.AbstractMidiD evice

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via Coderanch by Ernst Jan Reuvekamp, 1 year ago
class com.sun.media.sou nd.AbstractPlayer cannot access its superclass com.sun.media.sound.AbstractMidiD evice
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class com.sun.media.sound.AbstractPlayer cannot access its superclass com.sun.media.sound.AbstractMidiDevice
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java.lang.IllegalAccessError: class com.sun.media.sou nd.AbstractPlayer cannot access its superclass com.sun.media.sound.AbstractMidiD evice
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at sun.misc.Launcher$ExtClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at sun.misc.Launcher$ExtClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.sun.media.sound.MixerSequencerProvider.getDeviceInfo(MixerSequencerProvider.java:28)
at javax.sound.midi.MidiSystem.getFirstDevice(Unknown Source)
at javax.sound.midi.MidiSystem.getFirstDevice(Unknown Source)
at javax.sound.midi.MidiSystem.getFirstDevice(Unknown Source)
at javax.sound.midi.MidiSystem.getDefaultDevice(Unknown Source)
at javax.sound.midi.MidiSystem.getDefaultDeviceWrapper(Unknown Source)
at javax.sound.midi.MidiSystem.getSequencer(Unknown Source)
at undefined.BeatBox.setUpMidi(BeatBox.java:87)
at undefined.BeatBox.buildGUI(BeatBox.java:77)
at undefined.BeatBox.main(BeatBox.java:25)

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