Program: 34594
Project: 34594
Buggy source:
@Override public void processCommand(ICommandSender sender,String[] args){
  if (!Log.isDebugEnabled()) {
    sendMessage(sender,"String_Node_Str");
    return;
  }
  if (args.length == 0) {
    for (    String s : (EnumChatFormatting.GREEN + "String_Node_Str" + "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str").split("String_Node_Str")) {
      sendMessage(sender,s);
    }
    return;
  }
  if (args[0].equalsIgnoreCase("String_Node_Str") && args.length == 2) {
    EntityBossDragon dragon=getDragon();
    if (dragon == null)     return;
    if (args[1].equals("String_Node_Str")) {
      dragon.target=null;
      sendMessage(sender,"String_Node_Str");
      return;
    }
    boolean found=false;
    for (    EntityPlayer player : (List<EntityPlayer>)dragon.worldObj.playerEntities) {
      if (player.getCommandSenderName().equalsIgnoreCase(args[1])) {
        dragon.trySetTarget(player);
        found=true;
        break;
      }
    }
    if (!found) {
      sendMessage(sender,"String_Node_Str");
      return;
    }
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && args.length == 2) {
    try {
      overrideWingSpeed=Float.parseFloat(args[1]);
    }
 catch (    NumberFormatException e) {
      sendMessage(sender,"String_Node_Str");
    }
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    EntityBossDragon dragon=getDragon();
    if (dragon != null)     dragon.forceAttackEnd=true;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    EntityBossDragon dragon=getDragon();
    if (dragon != null)     dragon.frozen=!dragon.frozen;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    DebugBoard.startDebug(DimensionManager.getWorld(1));
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    DebugBoard.stopDebug();
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    HardcoreEnderExpansion.proxy.openGui("String_Node_Str");
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    HardcoreEnderExpansion.proxy.openGui("String_Node_Str");
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    for (    WorldServer world : DimensionManager.getWorlds()) {
      WorldInfo info=world.getWorldInfo();
      info.setRaining(false);
      info.setThundering(false);
      info.setRainTime(Integer.MAX_VALUE);
      info.setThunderTime(Integer.MAX_VALUE);
    }
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    Stopwatch.isEnabled=!Stopwatch.isEnabled;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && args.length >= 2 && sender instanceof EntityPlayer && ItemList.debug_stick != null) {
    ItemStack stick=new ItemStack(ItemList.debug_stick);
    ItemUtil.getTagRoot(stick,true).setString("String_Node_Str",args[1]);
    EntityPlayer player=(EntityPlayer)sender;
    player.inventory.mainInventory[player.inventory.currentItem]=stick;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && args.length >= 2 && sender instanceof EntityPlayer) {
    try {
      Stopwatch.time("String_Node_Str");
      boolean found=false;
      ClassPath path=ClassPath.from(HeeDebugCommand.class.getClassLoader());
      for (      ClassInfo clsInfo : path.getAllClasses()) {
        if (clsInfo.getSimpleName().equals(args[1]) && clsInfo.getPackageName().startsWith("String_Node_Str")) {
          HeeTest test=(HeeTest)clsInfo.load().getField("String_Node_Str").get(null);
          test.player=(EntityPlayer)sender;
          test.world=test.player.worldObj;
          try {
            test.run(ArrayUtils.subarray(args,2,args.length));
            sendMessage(sender,"String_Node_Str");
          }
 catch (          Throwable t) {
            t.printStackTrace();
            sendMessage(sender,"String_Node_Str");
          }
          found=true;
          break;
        }
      }
      if (!found)       sendMessage(sender,"String_Node_Str");
      Stopwatch.finish("String_Node_Str");
    }
 catch (    Throwable t) {
      sendMessage(sender,"String_Node_Str");
    }
    return;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && sender instanceof EntityPlayer) {
    StringBuilder build=new StringBuilder();
    for (int a=1; a < args.length; a++)     build.append(args[a]).append(' ');
    UnitTester.trigger(RunTime.INGAME,args.length > 1 ? build.deleteCharAt(build.length() - 1).toString() : "String_Node_Str");
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && sender instanceof EntityPlayer) {
    EntityPlayer player=(EntityPlayer)sender;
    player.worldObj.loadedEntityList.stream().filter(e -> e instanceof EntityItem).forEach(item -> ((EntityItem)item).setDead());
    Pos c=Pos.at(player).getDown();
    Pos.forEachBlock(c.offset(-25,0,-25),c.offset(25,-38,25),pos -> pos.setBlock(player.worldObj,BlockList.enhanced_tnt));
  }
 else {
    sendMessage(sender,"String_Node_Str");
    return;
  }
  sendMessage(sender,"String_Node_Str");
}

Fixed version (ground truth):
@Override public void processCommand(ICommandSender sender,String[] args){
  if (!Log.isDebugEnabled()) {
    sendMessage(sender,"String_Node_Str");
    return;
  }
  if (args.length == 0) {
    for (    String s : (EnumChatFormatting.GREEN + "String_Node_Str" + "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str").split("String_Node_Str")) {
      sendMessage(sender,s);
    }
    return;
  }
  if (args[0].equalsIgnoreCase("String_Node_Str") && args.length == 2) {
    EntityBossDragon dragon=getDragon();
    if (dragon == null)     return;
    if (args[1].equals("String_Node_Str")) {
      dragon.target=null;
      sendMessage(sender,"String_Node_Str");
      return;
    }
    boolean found=false;
    for (    EntityPlayer player : (List<EntityPlayer>)dragon.worldObj.playerEntities) {
      if (player.getCommandSenderName().equalsIgnoreCase(args[1])) {
        dragon.trySetTarget(player);
        found=true;
        break;
      }
    }
    if (!found) {
      sendMessage(sender,"String_Node_Str");
      return;
    }
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && args.length == 2) {
    try {
      overrideWingSpeed=Float.parseFloat(args[1]);
    }
 catch (    NumberFormatException e) {
      sendMessage(sender,"String_Node_Str");
    }
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    EntityBossDragon dragon=getDragon();
    if (dragon != null)     dragon.forceAttackEnd=true;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    EntityBossDragon dragon=getDragon();
    if (dragon != null)     dragon.frozen=!dragon.frozen;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    DebugBoard.startDebug(DimensionManager.getWorld(1));
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    DebugBoard.stopDebug();
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    for (    KnowledgeObject<?> obj : KnowledgeObject.getAllObjects())     obj.reset();
    KnowledgeRegistrations.initialize();
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    HardcoreEnderExpansion.proxy.openGui("String_Node_Str");
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    HardcoreEnderExpansion.proxy.openGui("String_Node_Str");
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    for (    WorldServer world : DimensionManager.getWorlds()) {
      WorldInfo info=world.getWorldInfo();
      info.setRaining(false);
      info.setThundering(false);
      info.setRainTime(Integer.MAX_VALUE);
      info.setThunderTime(Integer.MAX_VALUE);
    }
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str")) {
    Stopwatch.isEnabled=!Stopwatch.isEnabled;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && args.length >= 2 && sender instanceof EntityPlayer && ItemList.debug_stick != null) {
    ItemStack stick=new ItemStack(ItemList.debug_stick);
    ItemUtil.getTagRoot(stick,true).setString("String_Node_Str",args[1]);
    EntityPlayer player=(EntityPlayer)sender;
    player.inventory.mainInventory[player.inventory.currentItem]=stick;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && args.length >= 2 && sender instanceof EntityPlayer) {
    try {
      Stopwatch.time("String_Node_Str");
      boolean found=false;
      ClassPath path=ClassPath.from(HeeDebugCommand.class.getClassLoader());
      for (      ClassInfo clsInfo : path.getAllClasses()) {
        if (clsInfo.getSimpleName().equals(args[1]) && clsInfo.getPackageName().startsWith("String_Node_Str")) {
          HeeTest test=(HeeTest)clsInfo.load().getField("String_Node_Str").get(null);
          test.player=(EntityPlayer)sender;
          test.world=test.player.worldObj;
          try {
            test.run(ArrayUtils.subarray(args,2,args.length));
            sendMessage(sender,"String_Node_Str");
          }
 catch (          Throwable t) {
            t.printStackTrace();
            sendMessage(sender,"String_Node_Str");
          }
          found=true;
          break;
        }
      }
      if (!found)       sendMessage(sender,"String_Node_Str");
      Stopwatch.finish("String_Node_Str");
    }
 catch (    Throwable t) {
      sendMessage(sender,"String_Node_Str");
    }
    return;
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && sender instanceof EntityPlayer) {
    StringBuilder build=new StringBuilder();
    for (int a=1; a < args.length; a++)     build.append(args[a]).append(' ');
    UnitTester.trigger(RunTime.INGAME,args.length > 1 ? build.deleteCharAt(build.length() - 1).toString() : "String_Node_Str");
  }
 else   if (args[0].equalsIgnoreCase("String_Node_Str") && sender instanceof EntityPlayer) {
    EntityPlayer player=(EntityPlayer)sender;
    player.worldObj.loadedEntityList.stream().filter(e -> e instanceof EntityItem).forEach(item -> ((EntityItem)item).setDead());
    Pos c=Pos.at(player).getDown();
    Pos.forEachBlock(c.offset(-25,0,-25),c.offset(25,-38,25),pos -> pos.setBlock(player.worldObj,BlockList.enhanced_tnt));
  }
 else {
    sendMessage(sender,"String_Node_Str");
    return;
  }
  sendMessage(sender,"String_Node_Str");
}