用iText读取encrypted的pdf文件的时候 会提示有这样的错误:
Exception in thread "main" java.lang.IllegalArgumentException: PdfReader not opened with owner password
at com.lowagie.text.pdf.PdfReaderInstance.getImportedPage(Unknown Source)
at com.lowagie.text.pdf.PdfCopy.getImportedPage(Unknown Source)
应该怎么解决啊?