Program: 124417
Project: 124417
Buggy source:
@Override public void load(){
  System.out.println("String_Node_Str");
  scriptData=ScriptProviderMemory.collect(scriptProvider);
  Set<String> executed=new HashSet<String>();
  Iterator<IScriptIterator> scripts=scriptProvider.getScripts();
  while (scripts.hasNext()) {
    IScriptIterator script=scripts.next();
    if (!executed.contains(script.getGroupName())) {
      executed.add(script.getGroupName());
      Map<String,byte[]> classes=new HashMap<String,byte[]>();
      IEnvironmentGlobal environmentGlobal=GlobalRegistry.makeGlobalEnvironment(classes);
      List<ZenParsedFile> files=new ArrayList<ZenParsedFile>();
      while (script.next()) {
        Reader reader=null;
        try {
          reader=new InputStreamReader(new BufferedInputStream(script.open()),"String_Node_Str");
          String filename=script.getName();
          String className=extractClassName(filename);
          ZenTokener parser=new ZenTokener(reader,environmentGlobal.getEnvironment());
          ZenParsedFile pfile=new ZenParsedFile(filename,className,parser,environmentGlobal);
          files.add(pfile);
        }
 catch (        IOException ex) {
          MineTweakerAPI.logError("String_Node_Str" + script.getName() + "String_Node_Str"+ ex.getMessage());
        }
catch (        ParseException ex) {
          MineTweakerAPI.logError("String_Node_Str" + ex.getFile().getFileName() + "String_Node_Str"+ ex.getLine()+ "String_Node_Str"+ ex.getExplanation());
        }
catch (        Exception ex) {
          MineTweakerAPI.logError("String_Node_Str" + script.getName() + "String_Node_Str"+ ex.toString(),ex);
        }
        if (reader != null) {
          try {
            reader.close();
          }
 catch (          IOException ex) {
          }
        }
      }
      try {
        String filename=script.getGroupName();
        System.out.println("String_Node_Str" + filename);
        compileScripts(filename,files,environmentGlobal,DEBUG);
        ZenModule module=new ZenModule(classes,MineTweakerAPI.class.getClassLoader());
        module.getMain().run();
      }
 catch (      Throwable ex) {
        MineTweakerAPI.logError("String_Node_Str" + script.getGroupName() + "String_Node_Str"+ ex.getMessage(),ex);
      }
    }
  }
  if (wereStuck.size() > 0) {
    MineTweakerAPI.logWarning(Integer.toString(wereStuck.size()) + "String_Node_Str");
    for (    IUndoableAction action : wereStuck) {
      MineTweakerAPI.logInfo("String_Node_Str" + action.describe());
    }
  }
}

Fixed version (ground truth):
@Override public void load(){
  System.out.println("String_Node_Str");
  scriptData=ScriptProviderMemory.collect(scriptProvider);
  Set<String> executed=new HashSet<String>();
  Iterator<IScriptIterator> scripts=scriptProvider.getScripts();
  while (scripts.hasNext()) {
    IScriptIterator script=scripts.next();
    if (!executed.contains(script.getGroupName())) {
      executed.add(script.getGroupName());
      Map<String,byte[]> classes=new HashMap<String,byte[]>();
      IEnvironmentGlobal environmentGlobal=GlobalRegistry.makeGlobalEnvironment(classes);
      List<ZenParsedFile> files=new ArrayList<ZenParsedFile>();
      while (script.next()) {
        Reader reader=null;
        try {
          reader=new InputStreamReader(new BufferedInputStream(script.open()));
          String filename=script.getName();
          String className=extractClassName(filename);
          ZenTokener parser=new ZenTokener(reader,environmentGlobal.getEnvironment());
          ZenParsedFile pfile=new ZenParsedFile(filename,className,parser,environmentGlobal);
          files.add(pfile);
        }
 catch (        IOException ex) {
          MineTweakerAPI.logError("String_Node_Str" + script.getName() + "String_Node_Str"+ ex.getMessage());
        }
catch (        ParseException ex) {
          MineTweakerAPI.logError("String_Node_Str" + ex.getFile().getFileName() + "String_Node_Str"+ ex.getLine()+ "String_Node_Str"+ ex.getExplanation());
        }
catch (        Exception ex) {
          MineTweakerAPI.logError("String_Node_Str" + script.getName() + "String_Node_Str"+ ex.toString(),ex);
        }
        if (reader != null) {
          try {
            reader.close();
          }
 catch (          IOException ex) {
          }
        }
      }
      try {
        String filename=script.getGroupName();
        System.out.println("String_Node_Str" + filename);
        compileScripts(filename,files,environmentGlobal,DEBUG);
        ZenModule module=new ZenModule(classes,MineTweakerAPI.class.getClassLoader());
        module.getMain().run();
      }
 catch (      Throwable ex) {
        MineTweakerAPI.logError("String_Node_Str" + script.getGroupName() + "String_Node_Str"+ ex.getMessage(),ex);
      }
    }
  }
  if (wereStuck.size() > 0) {
    MineTweakerAPI.logWarning(Integer.toString(wereStuck.size()) + "String_Node_Str");
    for (    IUndoableAction action : wereStuck) {
      MineTweakerAPI.logInfo("String_Node_Str" + action.describe());
    }
  }
}