pdfbox批量加载新下载的PDF时候出现：文件尾,预期的行

File file = new File(path);

PDdocument document =PDdocument.load(file);

java.io.IOException: Error: End-of-File, expected line
        at org.apache.pdfbox.pdfparser.baseParser.readLine(baseParser.java:1124)
        at org.apache.pdfbox.pdfparser.COSParser.parseHeader(COSParser.java:2577)
        at org.apache.pdfbox.pdfparser.COSParser.parsePDFHeader(COSParser.java:2560)