Program: 10538
Project: 10538
Buggy source:
public void registerCoreCommands(){
  ZapCommand zapCommand=new ZapCommand();
  EngageCommand engageCommand=new EngageCommand();
  SpawnCommand spawnCommand=new SpawnCommand();
  WaitCommand waitCommand=new WaitCommand();
  LookCommand lookCommand=new LookCommand();
  FailCommand failCommand=new FailCommand();
  FinishCommand finishCommand=new FinishCommand();
  ResetCommand resetCommand=new ResetCommand();
  FlagCommand flagCommand=new FlagCommand();
  StrikeCommand strikeCommand=new StrikeCommand();
  SwitchCommand switchCommand=new SwitchCommand();
  TalkCommand talkCommand=new TalkCommand();
  TeleportCommand teleportCommand=new TeleportCommand();
  ExecuteCommand executeCommand=new ExecuteCommand();
  TakeCommand takeCommand=new TakeCommand();
  try {
    takeCommand.activateAs("String_Node_Str");
    executeCommand.activateAs("String_Node_Str");
    teleportCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    switchCommand.activateAs("String_Node_Str");
    zapCommand.activateAs("String_Node_Str");
    engageCommand.activateAs("String_Node_Str");
    engageCommand.activateAs("String_Node_Str");
    spawnCommand.activateAs("String_Node_Str");
    waitCommand.activateAs("String_Node_Str");
    lookCommand.activateAs("String_Node_Str");
    failCommand.activateAs("String_Node_Str");
    finishCommand.activateAs("String_Node_Str");
    resetCommand.activateAs("String_Node_Str");
    flagCommand.activateAs("String_Node_Str");
    strikeCommand.activateAs("String_Node_Str");
  }
 catch (  ActivationException e) {
    plugin.getLogger().log(Level.SEVERE,"String_Node_Str");
    e.printStackTrace();
  }
}

Fixed version (ground truth):
public void registerCoreCommands(){
  ZapCommand zapCommand=new ZapCommand();
  EngageCommand engageCommand=new EngageCommand();
  SpawnCommand spawnCommand=new SpawnCommand();
  WaitCommand waitCommand=new WaitCommand();
  LookCommand lookCommand=new LookCommand();
  FailCommand failCommand=new FailCommand();
  FinishCommand finishCommand=new FinishCommand();
  ResetCommand resetCommand=new ResetCommand();
  FlagCommand flagCommand=new FlagCommand();
  StrikeCommand strikeCommand=new StrikeCommand();
  SwitchCommand switchCommand=new SwitchCommand();
  TalkCommand talkCommand=new TalkCommand();
  TeleportCommand teleportCommand=new TeleportCommand();
  ExecuteCommand executeCommand=new ExecuteCommand();
  TakeCommand takeCommand=new TakeCommand();
  GiveCommand giveCommand=new GiveCommand();
  try {
    giveCommand.activateAs("String_Node_Str");
    takeCommand.activateAs("String_Node_Str");
    executeCommand.activateAs("String_Node_Str");
    teleportCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    talkCommand.activateAs("String_Node_Str");
    switchCommand.activateAs("String_Node_Str");
    zapCommand.activateAs("String_Node_Str");
    engageCommand.activateAs("String_Node_Str");
    engageCommand.activateAs("String_Node_Str");
    spawnCommand.activateAs("String_Node_Str");
    waitCommand.activateAs("String_Node_Str");
    lookCommand.activateAs("String_Node_Str");
    failCommand.activateAs("String_Node_Str");
    finishCommand.activateAs("String_Node_Str");
    resetCommand.activateAs("String_Node_Str");
    flagCommand.activateAs("String_Node_Str");
    strikeCommand.activateAs("String_Node_Str");
  }
 catch (  ActivationException e) {
    plugin.getLogger().log(Level.SEVERE,"String_Node_Str");
    e.printStackTrace();
  }
}