Program: 72840
Project: 72840
Buggy source:
/** 
 * Refresh the URL list of DriverClassLoader
 * @return if the refreshURL is different than the former one then return true otherwisereturn false
 * @throws OdaException 
 */
public boolean refreshURLs() throws OdaException {
  if (bundle == null)   return false;
  boolean foundNew=false;
  if (driverClassPath != null) {
    try {
      File driverClassFile=new File(driverClassPath);
      if (driverClassFile.exists()) {
        this.addURL(driverClassFile.toURI().toURL());
        if (driverClassFile.isDirectory()) {
          File[] driverFiles=driverClassFile.listFiles(new FileFilter(){
            public boolean accept(            File pathname){
              if (pathname.isFile() && OdaJdbcDriver.isDriverFile(pathname.getName())) {
                return true;
              }
              return false;
            }
          }
);
          for (int i=0; i < driverFiles.length; i++) {
            if (!fileSet.contains(driverFiles[i].getName())) {
              foundNew=true;
              fileSet.add(driverFiles[i].getName());
              addURL(driverFiles[i].toURI().toURL());
              logger.info("String_Node_Str" + driverFiles[i].getName() + "String_Node_Str"+ driverFiles[i].toURI().toURL());
            }
          }
        }
      }
    }
 catch (    MalformedURLException e) {
      throw new OdaException(e);
    }
  }
  Enumeration files=bundle.getEntryPaths(OdaJdbcDriver.Constants.DRIVER_DIRECTORY);
  while (files.hasMoreElements()) {
    String fileName=(String)files.nextElement();
    if (OdaJdbcDriver.isDriverFile(fileName)) {
      if (!fileSet.contains(fileName)) {
        foundNew=true;
        fileSet.add(fileName);
        URL fileURL=bundle.getEntry(fileName);
        addURL(fileURL);
        logger.info("String_Node_Str" + fileName + "String_Node_Str"+ fileURL);
      }
    }
  }
  return foundNew;
}

Fixed version (ground truth):
/** 
 * Refresh the URL list of DriverClassLoader
 * @return if the refreshURL is different than the former one then return true otherwisereturn false
 * @throws OdaException 
 */
public boolean refreshURLs() throws OdaException {
  if (bundle == null)   return false;
  boolean foundNew=false;
  if (driverClassPath != null) {
    try {
      File driverClassFile=new File(driverClassPath);
      if (driverClassFile.exists()) {
        this.addURL(driverClassFile.toURI().toURL());
        if (driverClassFile.isDirectory()) {
          File[] driverFiles=driverClassFile.listFiles(new FileFilter(){
            public boolean accept(            File pathname){
              if (pathname.isFile() && OdaJdbcDriver.isDriverFile(pathname.getName())) {
                return true;
              }
              return false;
            }
          }
);
          for (int i=0; i < driverFiles.length; i++) {
            if (!fileSet.contains(driverFiles[i].getName())) {
              foundNew=true;
              fileSet.add(driverFiles[i].getName());
              addURL(driverFiles[i].toURI().toURL());
              logger.info("String_Node_Str" + driverFiles[i].getName() + "String_Node_Str"+ driverFiles[i].toURI().toURL());
            }
          }
        }
      }
    }
 catch (    MalformedURLException e) {
      throw new OdaException(e);
    }
  }
  Enumeration files=bundle.getEntryPaths(OdaJdbcDriver.Constants.DRIVER_DIRECTORY);
  while (files != null && files.hasMoreElements()) {
    String fileName=(String)files.nextElement();
    if (OdaJdbcDriver.isDriverFile(fileName)) {
      if (!fileSet.contains(fileName)) {
        foundNew=true;
        fileSet.add(fileName);
        URL fileURL=bundle.getEntry(fileName);
        addURL(fileURL);
        logger.info("String_Node_Str" + fileName + "String_Node_Str"+ fileURL);
      }
    }
  }
  return foundNew;
}