Program: 166561
Project: 166561
Buggy source:
@Override public void upload(final Handler handler,final Item item) throws CloudsyncException, FileIOException {
  initService(handler);
  String title=handler.getLocalProcessedTitle(item);
  File parentDriveItem=null;
  File driveItem;
  int retryCount=0;
  do {
    try {
      refreshCredential();
      parentDriveItem=_getDriveItem(item.getParent());
      final ParentReference parentReference=new ParentReference();
      parentReference.setId(parentDriveItem.getId());
      driveItem=new File();
      driveItem.setTitle(title);
      driveItem.setParents(Arrays.asList(parentReference));
      final LocalStreamData data=_prepareDriveItem(driveItem,item,handler,true);
      if (data == null) {
        driveItem=service.files().insert(driveItem).execute();
      }
 else {
        final InputStreamContent params=new InputStreamContent(FILE,data.getStream());
        params.setLength(data.getLength());
        Insert inserter=service.files().insert(driveItem,params);
        MediaHttpUploader uploader=inserter.getMediaHttpUploader();
        prepareUploader(uploader,data.getLength());
        driveItem=inserter.execute();
      }
      if (driveItem == null) {
        throw new CloudsyncException("String_Node_Str" + item.getPath() + "String_Node_Str");
      }
      _addToCache(driveItem,null);
      item.setRemoteIdentifier(driveItem.getId());
      return;
    }
 catch (    final IOException e) {
      if (parentDriveItem != null) {
        for (int i=0; i < MIN_SEARCH_RETRIES; i++) {
          driveItem=_searchDriveItem(item.getParent(),title);
          if (driveItem != null) {
            LOGGER.log(Level.WARNING,"String_Node_Str" + getExceptionMessage(e) + "String_Node_Str");
            item.setRemoteIdentifier(driveItem.getId());
            update(handler,item,true);
            return;
          }
          LOGGER.log(Level.WARNING,"String_Node_Str" + getExceptionMessage(e) + "String_Node_Str"+ (i + 1)+ "String_Node_Str"+ MIN_SEARCH_RETRIES+ "String_Node_Str"+ MIN_SEARCH_BREAK+ "String_Node_Str");
          sleep(MIN_SEARCH_BREAK);
        }
      }
      retryCount=validateException("String_Node_Str",item,e,retryCount);
    }
  }
 while (true);
}

Fixed version (ground truth):
@Override public void upload(final Handler handler,final Item item) throws CloudsyncException, FileIOException {
  initService(handler);
  String title=handler.getLocalProcessedTitle(item);
  File parentDriveItem=null;
  File driveItem;
  int retryCount=0;
  do {
    try {
      refreshCredential();
      parentDriveItem=_getDriveItem(item.getParent());
      final ParentReference parentReference=new ParentReference();
      parentReference.setId(parentDriveItem.getId());
      driveItem=new File();
      driveItem.setTitle(title);
      driveItem.setParents(Arrays.asList(parentReference));
      final LocalStreamData data=_prepareDriveItem(driveItem,item,handler,true);
      if (data == null) {
        driveItem=service.files().insert(driveItem).execute();
      }
 else {
        final InputStreamContent params=new InputStreamContent(FILE,data.getStream());
        params.setLength(data.getLength());
        Insert inserter=service.files().insert(driveItem,params);
        MediaHttpUploader uploader=inserter.getMediaHttpUploader();
        prepareUploader(uploader,data.getLength());
        driveItem=inserter.execute();
      }
      if (driveItem == null) {
        throw new CloudsyncException("String_Node_Str" + item.getPath() + "String_Node_Str");
      }
      _addToCache(driveItem,null);
      item.setRemoteIdentifier(driveItem.getId());
      return;
    }
 catch (    final IOException e) {
      if (parentDriveItem != null) {
        for (int i=0; i < MIN_SEARCH_RETRIES; i++) {
          driveItem=_searchDriveItem(item.getParent(),title);
          if (driveItem != null) {
            LOGGER.log(Level.WARNING,"String_Node_Str" + getExceptionMessage(e) + "String_Node_Str");
            item.setRemoteIdentifier(driveItem.getId());
            update(handler,item,true);
            return;
          }
          LOGGER.log(Level.WARNING,"String_Node_Str" + getExceptionMessage(e) + "String_Node_Str"+ (i + 1)+ "String_Node_Str"+ MIN_SEARCH_RETRIES+ "String_Node_Str"+ MIN_SEARCH_BREAK+ "String_Node_Str");
          sleep(MIN_SEARCH_BREAK);
        }
      }
      retryCount=validateException("String_Node_Str",item,e,retryCount);
      if (retryCount == -1)       return;
    }
  }
 while (true);
}