java上word转PDF的代码报错

[millyn13]

用java代码实现word转PDF的时候报错
The supplied data appears to be in the Office 2007+ XML. You are calling the part of POI that deals with OLE2 Office Documents. You need to call a different part of POI to process this data (eg XSSF instead of HSSF)
好像是我提供的文档是2007，但是明显不是啊，我改成2003啊，所以不知道这什么问题，求大神解答，真的挺急的，在线等。