Program: 115971
Project: 115971
Buggy source:
/** 
 * This method reads thrift-client-config.xml file and assign necessary credential values into thriftClientInfo object.  A singleton design has been implemented with the use of thriftClientIConfig class. <p> The filePath argument is the path to thrift-client-config.xml file
 * @param filePath the path to thrift-client-config.xml file
 * @return         ThriftClientConfig object
 */
public static ThriftClientConfig parse(String filePath){
  try {
    ThriftClientConfig thriftClientIConfig=new ThriftClientConfig();
    ThriftClientInfo thriftClientInfo=new ThriftClientInfo();
    thriftClientIConfig.setThriftClientInfo(thriftClientInfo);
    OMElement document=AxiomXpathParserUtil.parse(new File(filePath));
    Iterator thriftClientIterator=document.getChildElements();
    String userNameValuesStr=null;
    String passwordValueStr=null;
    String ipValuesStr=null;
    String portValueStr=null;
    while (thriftClientIterator.hasNext()) {
      OMElement thriftClientElement=(OMElement)thriftClientIterator.next();
      if (USERNAME_ELEMENT.equals(thriftClientElement.getQName().getLocalPart())) {
        userNameValuesStr=thriftClientElement.getText();
        thriftClientInfo.setUsername(userNameValuesStr);
      }
      if (PASSWORD_ELEMENT.equals(thriftClientElement.getQName().getLocalPart())) {
        passwordValueStr=thriftClientElement.getText();
        thriftClientInfo.setPassword(passwordValueStr);
      }
      if (IP_ELEMENT.equals(thriftClientElement.getQName().getLocalPart())) {
        ipValuesStr=thriftClientElement.getText();
        thriftClientInfo.setIp(ipValuesStr);
      }
      if (PORT_ELEMENT.equals(thriftClientElement.getQName().getLocalPart())) {
        portValueStr=thriftClientElement.getText();
        thriftClientInfo.setPort(portValueStr);
      }
    }
    if (userNameValuesStr == null) {
      throw new RuntimeException("String_Node_Str");
    }
    if (passwordValueStr == null) {
      throw new RuntimeException("String_Node_Str");
    }
    if (ipValuesStr == null) {
      throw new RuntimeException("String_Node_Str");
    }
    if (portValueStr == null) {
      throw new RuntimeException("String_Node_Str");
    }
    return thriftClientIConfig;
  }
 catch (  Exception e) {
    throw new RuntimeException("String_Node_Str",e);
  }
}

Fixed version (ground truth):
/** 
 * This method reads thrift-client-config.xml file and assign necessary credential values into thriftClientInfo object.  A singleton design has been implemented with the use of thriftClientIConfig class. <p> The filePath argument is the path to thrift-client-config.xml file
 * @param filePath the path to thrift-client-config.xml file
 * @return         ThriftClientConfig object
 */
public static ThriftClientConfig parse(String filePath){
  try {
    ThriftClientConfig thriftClientIConfig=new ThriftClientConfig();
    ThriftClientInfo thriftClientInfo=new ThriftClientInfo();
    thriftClientIConfig.setThriftClientInfo(thriftClientInfo);
    File configFile=new File(filePath);
    if (!configFile.exists()) {
      throw new RuntimeException(String.format("String_Node_Str",filePath));
    }
    OMElement document=AxiomXpathParserUtil.parse(configFile);
    Iterator thriftClientIterator=document.getChildElements();
    String userNameValuesStr=null;
    String passwordValueStr=null;
    String ipValuesStr=null;
    String portValueStr=null;
    while (thriftClientIterator.hasNext()) {
      OMElement thriftClientElement=(OMElement)thriftClientIterator.next();
      if (USERNAME_ELEMENT.equals(thriftClientElement.getQName().getLocalPart())) {
        userNameValuesStr=thriftClientElement.getText();
        thriftClientInfo.setUsername(userNameValuesStr);
      }
      if (PASSWORD_ELEMENT.equals(thriftClientElement.getQName().getLocalPart())) {
        passwordValueStr=thriftClientElement.getText();
        thriftClientInfo.setPassword(passwordValueStr);
      }
      if (IP_ELEMENT.equals(thriftClientElement.getQName().getLocalPart())) {
        ipValuesStr=thriftClientElement.getText();
        thriftClientInfo.setIp(ipValuesStr);
      }
      if (PORT_ELEMENT.equals(thriftClientElement.getQName().getLocalPart())) {
        portValueStr=thriftClientElement.getText();
        thriftClientInfo.setPort(portValueStr);
      }
    }
    if (userNameValuesStr == null) {
      throw new RuntimeException("String_Node_Str");
    }
    if (passwordValueStr == null) {
      throw new RuntimeException("String_Node_Str");
    }
    if (ipValuesStr == null) {
      throw new RuntimeException("String_Node_Str");
    }
    if (portValueStr == null) {
      throw new RuntimeException("String_Node_Str");
    }
    return thriftClientIConfig;
  }
 catch (  Exception e) {
    throw new RuntimeException("String_Node_Str",e);
  }
}