Program: 3848
Project: 3848
Buggy source:
@Override public boolean requestComplete(HttpUriRequest method,HttpResponse response){
  aborter=null;
  if (downloadStatus == DownloadState.ABORTED) {
    return false;
  }
  InputStream torrentDownloadStream=null;
  FileOutputStream torrentOutputStream=null;
  FileInputStream torrentInputStream=null;
  try {
    if (response.getStatusLine().getStatusCode() < 200 || response.getStatusLine().getStatusCode() >= 300) {
      throw new IOException("String_Node_Str" + response.getStatusLine().getStatusCode());
    }
    if (response.getEntity() != null) {
      torrentDownloadStream=response.getEntity().getContent();
      torrentOutputStream=new FileOutputStream(incompleteTorrentFile);
      FileUtils.write(torrentDownloadStream,torrentOutputStream);
      torrentInputStream=new FileInputStream(incompleteTorrentFile);
      torrentOutputStream.close();
      Map<?,?> torrentFileMap=(Map<?,?>)Token.parse(torrentInputStream.getChannel());
      BTData btData=new BTDataImpl(torrentFileMap);
      shareTorrentFile(btData,incompleteTorrentFile);
      downloadStatus=DownloadState.COMPLETE;
      torrentFile=new File(SharingSettings.INCOMPLETE_DIRECTORY.get(),btData.getName() + "String_Node_Str");
      if (incompleteTorrentFile.equals(torrentFile)) {
      }
 else       if (torrentFile.exists()) {
        throw new IOException("String_Node_Str" + torrentFile.getAbsolutePath());
      }
 else {
        FileUtils.forceRename(incompleteTorrentFile,torrentFile);
      }
    }
 else {
      throw new IOException("String_Node_Str");
    }
  }
 catch (  IOException iox) {
    downloadStatus=DownloadState.INVALID;
    if (LOG.isErrorEnabled()) {
      LOG.error("String_Node_Str" + torrentURI,iox);
    }
  }
 finally {
    FileUtils.delete(incompleteTorrentFile,false);
    IOUtils.close(torrentInputStream);
    IOUtils.close(torrentDownloadStream);
    IOUtils.close(torrentOutputStream);
    httpExecutor.releaseResources(response);
  }
  eventListenerList.broadcast(new DownloadStateEvent(this,DownloadState.COMPLETE));
  return false;
}

Fixed version (ground truth):
@Override public boolean requestComplete(HttpUriRequest method,HttpResponse response){
  aborter=null;
  if (downloadStatus == DownloadState.ABORTED) {
    return false;
  }
  InputStream torrentDownloadStream=null;
  FileOutputStream torrentOutputStream=null;
  FileInputStream torrentInputStream=null;
  try {
    if (response.getStatusLine().getStatusCode() < 200 || response.getStatusLine().getStatusCode() >= 300) {
      throw new IOException("String_Node_Str" + response.getStatusLine().getStatusCode());
    }
    if (response.getEntity() != null) {
      torrentDownloadStream=response.getEntity().getContent();
      torrentOutputStream=new FileOutputStream(incompleteTorrentFile);
      FileUtils.write(torrentDownloadStream,torrentOutputStream);
      torrentInputStream=new FileInputStream(incompleteTorrentFile);
      torrentOutputStream.close();
      Map<?,?> torrentFileMap=(Map<?,?>)Token.parse(torrentInputStream.getChannel());
      BTData btData=new BTDataImpl(torrentFileMap);
      shareTorrentFile(btData,incompleteTorrentFile);
      downloadStatus=DownloadState.COMPLETE;
      torrentFile=new File(SharingSettings.INCOMPLETE_DIRECTORY.get(),btData.getName() + "String_Node_Str");
      if (incompleteTorrentFile.equals(torrentFile)) {
      }
 else       if (torrentFile.exists()) {
        throw new IOException("String_Node_Str" + torrentFile.getAbsolutePath());
      }
 else {
        FileUtils.forceRename(incompleteTorrentFile,torrentFile);
      }
    }
 else {
      throw new IOException("String_Node_Str");
    }
  }
 catch (  IOException iox) {
    downloadStatus=DownloadState.INVALID;
    if (LOG.isErrorEnabled()) {
      LOG.error("String_Node_Str" + torrentURI,iox);
    }
  }
 finally {
    FileUtils.delete(incompleteTorrentFile,false);
    IOUtils.close(torrentInputStream);
    IOUtils.close(torrentDownloadStream);
    IOUtils.close(torrentOutputStream);
    httpExecutor.releaseResources(response);
  }
  eventListenerList.broadcast(new DownloadStateEvent(this,downloadStatus));
  return false;
}