There is a bug in the Chess.com Java Chess applet (e.g. when playing against the computer), where the applet will fail to load if there are no sound devices available on the host computer.
Output from the debug console:
INFO [thread applet-com.chess.applet.ChessApplet-1] (ChessApplet.java:78) - Version: ca1.14.13-cb1.14.13-gj1.14.13
WARN [Thread-14] (SoundPlayer.java:131) - can't play sound effect
There is a bug in the Chess.com Java Chess applet (e.g. when playing against the computer), where the applet will fail to load if there are no sound devices available on the host computer.
Output from the debug console:
INFO [thread applet-com.chess.applet.ChessApplet-1] (ChessApplet.java:78) - Version: ca1.14.13-cb1.14.13-gj1.14.13
WARN [Thread-14] (SoundPlayer.java:131) - can't play sound effect
javazoom.jl.decoder.JavaLayerException: Cannot create AudioDevice
at javazoom.jl.player.FactoryRegistry.createAudioDevice(Unknown Source)
at javazoom.jl.player.advanced.AdvancedPlayer.(Unknown Source)
at javazoom.jl.player.advanced.AdvancedPlayer.(Unknown Source)
at com.chess.chessboard.sound.SoundPlayer$1.run(SoundPlayer.java:118)