LoadRunner record upload file, but playback failed

With LoadRunner recording upload file, script playback found that the file was not uploaded successfully, check the script found in the script does not upload the path of the file.

Script recording when the protocol selected, if it is the socket protocol, you do not need to upload the path of the file, LoadRunner will upload the file to escape into a special encoding form of the file, placed in the data.ws corresponding buf, run script is directly upload the contents of BUF
If it is the Http/html protocol, select Url-based Script,web_submit_data will display the file name to upload the file, the script will not show the path, the default path in the current script saved path, the uploaded image file is placed in the recorded script folder, Playback will be successful.

LoadRunner record upload file, but playback failed