Program: 61124
Project: 61124
Buggy source:
private synchronized void loadNewJars(){
  for (  File file : localDir.listFiles()) {
    String fileName=file.getName();
    if (jarModifiedTime.containsKey(fileName)) {
      continue;
    }
    if (file.isFile() && fileName.endsWith("String_Node_Str")) {
      jarModifiedTime.put(fileName,Long.valueOf(file.lastModified()));
      try {
        URL url=file.toURI().toURL();
        addURL(url);
      }
 catch (      MalformedURLException mue) {
        LOG.warn("String_Node_Str" + fileName,mue);
      }
    }
  }
  FileStatus[] statuses=null;
  if (remoteDir != null) {
    try {
      statuses=remoteDirFs.listStatus(remoteDir);
    }
 catch (    IOException ioe) {
      LOG.warn("String_Node_Str" + remoteDir,ioe);
    }
  }
  if (statuses == null || statuses.length == 0) {
    return;
  }
  for (  FileStatus status : statuses) {
    if (status.isDirectory())     continue;
    Path path=status.getPath();
    String fileName=path.getName();
    if (!fileName.endsWith("String_Node_Str")) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("String_Node_Str" + fileName);
      }
      continue;
    }
    Long cachedLastModificationTime=jarModifiedTime.get(fileName);
    if (cachedLastModificationTime != null) {
      long lastModified=status.getModificationTime();
      if (lastModified < cachedLastModificationTime.longValue()) {
        continue;
      }
    }
    try {
      File dst=new File(localDir,fileName);
      remoteDirFs.copyToLocalFile(path,new Path(dst.getPath()));
      jarModifiedTime.put(fileName,Long.valueOf(dst.lastModified()));
      URL url=dst.toURI().toURL();
      addURL(url);
    }
 catch (    IOException ioe) {
      LOG.warn("String_Node_Str" + fileName,ioe);
    }
  }
}

Fixed version (ground truth):
private synchronized void loadNewJars(){
  if (localDir != null) {
    for (    File file : localDir.listFiles()) {
      String fileName=file.getName();
      if (jarModifiedTime.containsKey(fileName)) {
        continue;
      }
      if (file.isFile() && fileName.endsWith("String_Node_Str")) {
        jarModifiedTime.put(fileName,Long.valueOf(file.lastModified()));
        try {
          URL url=file.toURI().toURL();
          addURL(url);
        }
 catch (        MalformedURLException mue) {
          LOG.warn("String_Node_Str" + fileName,mue);
        }
      }
    }
  }
  FileStatus[] statuses=null;
  if (remoteDir != null) {
    try {
      statuses=remoteDirFs.listStatus(remoteDir);
    }
 catch (    IOException ioe) {
      LOG.warn("String_Node_Str" + remoteDir,ioe);
    }
  }
  if (statuses == null || statuses.length == 0) {
    return;
  }
  for (  FileStatus status : statuses) {
    if (status.isDirectory())     continue;
    Path path=status.getPath();
    String fileName=path.getName();
    if (!fileName.endsWith("String_Node_Str")) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("String_Node_Str" + fileName);
      }
      continue;
    }
    Long cachedLastModificationTime=jarModifiedTime.get(fileName);
    if (cachedLastModificationTime != null) {
      long lastModified=status.getModificationTime();
      if (lastModified < cachedLastModificationTime.longValue()) {
        continue;
      }
    }
    try {
      File dst=new File(localDir,fileName);
      remoteDirFs.copyToLocalFile(path,new Path(dst.getPath()));
      jarModifiedTime.put(fileName,Long.valueOf(dst.lastModified()));
      URL url=dst.toURI().toURL();
      addURL(url);
    }
 catch (    IOException ioe) {
      LOG.warn("String_Node_Str" + fileName,ioe);
    }
  }
}