code: public void saveLOBFile(Key key, File lobFile)
      {
          try
          {
              FileInputStream fis = new FileInputStream(lobFile);
              Version version = kvStore.putLOB(key, fis, client.getDurability(), client.getTimeout(),
                      client.getTimeUnit());
          }
          catch (FileNotFoundException e)
          {
              log.warn("Unable to find file " + lobFile + ". This is being omitted, Caused by:" + e + ".");
          }
          catch (IOException e)
          {
              log.warn("IOException while writing file " + lobFile + ". This is being omitted. Caused by:" + e + ".");
          }
      }
docs: Saves LOB file to Oracle KV Store
  
  @param key
  @param lobFile