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    Thrown if an application attempts to access or modify a field, or to call a method or interface it does not have access to. Can also occur if the two classes are compiled with different compiler version so the interface and its implementation don't match.

Solutions on the web

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
via com.br by Unknown author, 2 years ago
class com.sun.media.sound.AbstractPlayer cannot access its superclass com.sun.media.sound.AbstractMidiDevice
via Stack Overflow by woky
, 2 years ago
class sun.nio.ch.MySourceChannel cannot access its superclass sun.nio.ch.SourceChannelImpl
via GitHub by NickIliev
, 8 months ago
class javax.xml.parsers.SecuritySupport12 cannot access its superclass javax.xml.parsers.SecuritySupport
via apache.org by Unknown author, 1 year ago
class com.google.protobuf.ZeroCopyLiteralByteString cannot access its superclass com.google.protobuf.LiteralByteString
via hortonworks.com by Unknown author, 2 years ago
class com.google.protobuf.ZeroCopyLiteralByteString cannot access its superclass com.google.protobuf.LiteralByteString
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 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)