Program: 178724
Project: 178724
Buggy source:
public void PlaySound(Sound sound,Player player,V10Location loc){
  if (!plugin.regionManager.getRegion(loc).getBoolean(RegionSetting.ENABLE_SOUNDS))   return;
  Plugin spoutPlugin=plugin.getServer().getPluginManager().getPlugin("String_Node_Str");
  if (spoutPlugin == null || !plugin.config.useSpoutSounds) {
    if (plugin.config.useNativeSounds) {
      String raw=plugin.config.soundNative[sound.ordinal()];
      if (raw == null || raw.equals("String_Node_Str"))       return;
      String[] split=raw.split("String_Node_Str");
      float volume=0.0F;
      float pitch=volume;
      if (split.length > 1)       try {
        volume=Float.parseFloat(split[1]);
      }
 catch (      Exception e) {
        plugin.getLogger().info("String_Node_Str" + split[1] + "String_Node_Str"+ split[0]);
        volume=1.0F;
      }
      if (split.length > 2) {
        try {
          volume=Float.parseFloat(split[1]);
        }
 catch (        Exception e) {
          plugin.getLogger().info("String_Node_Str" + split[2] + "String_Node_Str"+ split[0]);
          pitch=1.0F;
        }
      }
      org.bukkit.Sound s=org.bukkit.Sound.valueOf(split[0]);
      World world;
      if (player != null)       world=player.getWorld();
 else       world=loc.getHandle().getWorld();
      world.playSound(loc.getHandle(),s,volume,pitch);
    }
 else {
      Byte instrument=Byte.parseByte(plugin.config.soundNotes[sound.ordinal()].split("String_Node_Str")[0]);
      Byte note=Byte.parseByte(plugin.config.soundNotes[sound.ordinal()].split("String_Node_Str")[1]);
      PlayNote(player,instrument,note);
    }
  }
 else {
    String url=plugin.config.soundUrls[sound.ordinal()];
    if (url != null && url.length() > 4 && url.length() < 257)     SpoutManager.getSoundManager().playGlobalCustomSoundEffect(plugin,url,false,loc.getHandle(),plugin.config.soundRange);
 else {
      plugin.config.useSpoutSounds=false;
      PlaySound(sound,player,loc);
      plugin.config.useSpoutSounds=true;
    }
  }
}

Fixed version (ground truth):
public void PlaySound(Sound sound,Player player,V10Location loc){
  if (!plugin.regionManager.getRegion(loc).getBoolean(RegionSetting.ENABLE_SOUNDS))   return;
  Plugin spoutPlugin=plugin.getServer().getPluginManager().getPlugin("String_Node_Str");
  if (spoutPlugin == null || !plugin.config.useSpoutSounds) {
    if (plugin.config.useNativeSounds) {
      String raw=plugin.config.soundNative[sound.ordinal()];
      if (raw == null || raw.equals("String_Node_Str"))       return;
      String[] split=raw.split("String_Node_Str");
      float volume=1.0F;
      float pitch=volume;
      if (split.length > 1)       try {
        volume=Float.parseFloat(split[1]);
      }
 catch (      Exception e) {
        plugin.getLogger().info("String_Node_Str" + split[1] + "String_Node_Str"+ split[0]);
        volume=1.0F;
      }
      if (split.length > 2) {
        try {
          volume=Float.parseFloat(split[1]);
        }
 catch (        Exception e) {
          plugin.getLogger().info("String_Node_Str" + split[2] + "String_Node_Str"+ split[0]);
          pitch=1.0F;
        }
      }
      org.bukkit.Sound s=org.bukkit.Sound.valueOf(split[0]);
      World world;
      if (player != null)       world=player.getWorld();
 else       world=loc.getHandle().getWorld();
      world.playSound(loc.getHandle(),s,volume,pitch);
    }
 else {
      Byte instrument=Byte.parseByte(plugin.config.soundNotes[sound.ordinal()].split("String_Node_Str")[0]);
      Byte note=Byte.parseByte(plugin.config.soundNotes[sound.ordinal()].split("String_Node_Str")[1]);
      PlayNote(player,instrument,note);
    }
  }
 else {
    String url=plugin.config.soundUrls[sound.ordinal()];
    if (url != null && url.length() > 4 && url.length() < 257)     SpoutManager.getSoundManager().playGlobalCustomSoundEffect(plugin,url,false,loc.getHandle(),plugin.config.soundRange);
 else {
      plugin.config.useSpoutSounds=false;
      PlaySound(sound,player,loc);
      plugin.config.useSpoutSounds=true;
    }
  }
}