Program: 29932
Project: 29932
Buggy source:
/** 
 * Run the command using the specified arguments. Return the output of the command.
 */
public String executeCommand(ParameterMap opts) throws CommandException {
  getCommandModel();
  options=new ParameterMap();
  for (  Map.Entry<String,List<String>> o : opts.entrySet()) {
    String key=o.getKey();
    List<String> value=o.getValue();
    options.set(key.toLowerCase(),value);
  }
  operands=options.get("String_Node_Str".toLowerCase());
  try {
    initializeDoUpload();
    if (doUpload)     outboundPayload=PayloadImpl.Outbound.newInstance();
    StringBuilder uriString=new StringBuilder(ADMIN_URI_PATH).append(name).append(QUERY_STRING_INTRODUCER);
    ParamModel operandParam=null;
    for (    ParamModel opt : commandModel.getParameters()) {
      if (opt.getParam().primary()) {
        operandParam=opt;
        continue;
      }
      String paramName=opt.getName();
      String paramValue=options.getOne(paramName.toLowerCase());
      if (paramValue == null) {
        if (opt.isParamId(paramName)) {
          paramValue=options.getOne(opt.getParam().alias().toLowerCase());
        }
      }
      if (paramValue == null)       paramValue=getFromEnvironment(paramName);
      if (paramValue == null) {
        if (!opt.getParam().optional())         throw new CommandException(strings.get("String_Node_Str",paramName));
        continue;
      }
      if (opt.getType() == File.class) {
        addFileOption(uriString,paramName,paramValue);
      }
 else       if (opt.getParam().password()) {
        addPasswordOption(uriString,paramName,paramValue);
      }
 else       addStringOption(uriString,paramName,paramValue);
    }
    for (    String operand : operands) {
      if (operandParam.getType() == File.class || operandParam.getType() == File[].class)       addFileOption(uriString,"String_Node_Str",operand);
 else       addStringOption(uriString,"String_Node_Str",operand);
    }
    uriString.setLength(uriString.length() - 1);
    executeRemoteCommand(uriString.toString());
  }
 catch (  IOException ioex) {
    throw new CommandException("String_Node_Str",ioex);
  }
  return output;
}

Fixed version (ground truth):
/** 
 * Run the command using the specified arguments. Return the output of the command.
 */
public String executeCommand(ParameterMap opts) throws CommandException {
  getCommandModel();
  options=new ParameterMap();
  for (  Map.Entry<String,List<String>> o : opts.entrySet()) {
    String key=o.getKey();
    List<String> value=o.getValue();
    options.set(key.toLowerCase(Locale.ENGLISH),value);
  }
  operands=options.get("String_Node_Str");
  try {
    initializeDoUpload();
    if (doUpload)     outboundPayload=PayloadImpl.Outbound.newInstance();
    StringBuilder uriString=new StringBuilder(ADMIN_URI_PATH).append(name).append(QUERY_STRING_INTRODUCER);
    ParamModel operandParam=null;
    for (    ParamModel opt : commandModel.getParameters()) {
      if (opt.getParam().primary()) {
        operandParam=opt;
        continue;
      }
      String paramName=opt.getName();
      String paramValue=options.getOne(paramName.toLowerCase(Locale.ENGLISH));
      if (paramValue == null) {
        if (opt.isParamId(paramName)) {
          paramValue=options.getOne(opt.getParam().alias().toLowerCase(Locale.ENGLISH));
        }
      }
      if (paramValue == null)       paramValue=getFromEnvironment(paramName);
      if (paramValue == null) {
        if (!opt.getParam().optional())         throw new CommandException(strings.get("String_Node_Str",paramName));
        continue;
      }
      if (opt.getType() == File.class) {
        addFileOption(uriString,paramName,paramValue);
      }
 else       if (opt.getParam().password()) {
        addPasswordOption(uriString,paramName,paramValue);
      }
 else       addStringOption(uriString,paramName,paramValue);
    }
    for (    String operand : operands) {
      if (operandParam.getType() == File.class || operandParam.getType() == File[].class)       addFileOption(uriString,"String_Node_Str",operand);
 else       addStringOption(uriString,"String_Node_Str",operand);
    }
    uriString.setLength(uriString.length() - 1);
    executeRemoteCommand(uriString.toString());
  }
 catch (  IOException ioex) {
    throw new CommandException("String_Node_Str",ioex);
  }
  return output;
}