Program: 89816
Project: 89816
Buggy source:
/** 
 * Applies the test arguments. If the test arguments are given correctly, the configuration file is  loaded and changed appropriately, then written to a test configuration  file. The new test configuration file has the same name as the original  configuration file, except ".xml" is replaced by "_text.xml". Thus "path/config.xml" -> "path/config_test.xml".  
 * @param testArguments The test arguments.
 */
private static void initTestArguments(String testArguments){
  if (testArguments == null || testArguments.isEmpty()) {
    return;
  }
  String[] changes=testArguments.split(Constants.REGEX_COMMA_CHARACTER);
  if (changes.length != Constants.TEST_ARGUMENTS_REQUIRED) {
    System.err.print(Constants.MSG_ERROR_TEST_ARGUMENTS);
    System.out.println();
    System.out.println(changes.length + "String_Node_Str" + Constants.TEST_ARGUMENTS_REQUIRED+ "String_Node_Str");
    System.out.println("String_Node_Str" + testArguments);
    System.exit(1);
  }
  try {
    CreateTestInstance cti=new CreateTestInstance(deployConfigFile);
    final int offsetIndex=0;
    final int httpIndex=1;
    final int environmentNameIndex=2;
    final int mailIndex=3;
    cti.applyTestArguments(changes[offsetIndex],changes[httpIndex],changes[environmentNameIndex],changes[mailIndex]);
    String tmp=deployConfigFile.getPath();
    String[] configFile=tmp.split(Constants.REGEX_DOT_CHARACTER);
    String nameOfNewConfig=configFile[0] + Constants.TEST_CONFIG_FILE_REPLACE_ENDING;
    cti.createConfigurationFile(nameOfNewConfig);
    deployConfigFile=new File(nameOfNewConfig);
  }
 catch (  IOException e) {
    System.out.println("String_Node_Str" + e);
    System.exit(1);
  }
}

Fixed version (ground truth):
/** 
 * Applies the test arguments. If the test arguments are given correctly, the configuration file is  loaded and changed appropriately, then written to a test configuration  file. The new test configuration file has the same name as the original  configuration file, except ".xml" is replaced by "_text.xml". Thus "path/config.xml" -> "path/config_test.xml".  
 * @param testArguments The test arguments.
 */
private static void initTestArguments(String testArguments){
  if (testArguments == null || testArguments.isEmpty()) {
    return;
  }
  String[] changes=testArguments.split(Constants.REGEX_COMMA_CHARACTER);
  if (changes.length != Constants.TEST_ARGUMENTS_REQUIRED) {
    System.err.print(Constants.MSG_ERROR_TEST_ARGUMENTS);
    System.out.println();
    System.out.println(changes.length + "String_Node_Str" + Constants.TEST_ARGUMENTS_REQUIRED+ "String_Node_Str");
    System.out.println("String_Node_Str" + testArguments);
    System.exit(1);
  }
  try {
    CreateTestInstance cti=new CreateTestInstance(deployConfigFile);
    cti.applyTestArguments(changes[Constants.TEST_ARGUMENT_OFFSET_INDEX],changes[Constants.TEST_ARGUMENT_HTTP_INDEX],changes[Constants.TEST_ARGUMENT_ENVIRONMENT_NAME_INDEX],changes[Constants.TEST_ARGUMENT_MAIL_INDEX]);
    String tmp=deployConfigFile.getPath();
    String[] configFile=tmp.split(Constants.REGEX_DOT_CHARACTER);
    String nameOfNewConfig=configFile[0] + Constants.TEST_CONFIG_FILE_REPLACE_ENDING;
    cti.createConfigurationFile(nameOfNewConfig);
    deployConfigFile=new File(nameOfNewConfig);
  }
 catch (  IOException e) {
    System.out.println("String_Node_Str" + e);
    System.exit(1);
  }
}