Are you using FileStream? Are you calling open() with FileMode.READ ?
On systems that support file locking, a file opened in "write" or "update" mode (FileMode.WRITE or FileMode.UPDATE) is not readable until it is closed.
Are you using FileStream? Are you calling open() with FileMode.READ ?
On systems that support file locking, a file opened in "write" or "update" mode (FileMode.WRITE or FileMode.UPDATE) is not readable until it is closed.