Adobe reader在尝试打开使用iText库创建的pdf时在mac上显示错误

我使用 iText 具有动态文档大小的库。 文档大小取决于内容。 它开得很好 windows 但当试图打开 MAC 其显示错误 “此页面上存在消息错误。页面acrobat可能无法正确显示页面。请与创建PDF文档的人员联系。”

我使用绝对位置在页眉中添加了图像。 当我删除此图像时,它工作正常。 我检查了每个像素,没有任何像素彼此重叠。 我不知道这段代码到底出了什么问题。

在下面查找我的代码

    PdfContentByte cb = writer.getDirectContent();
    cb.saveState();
    try {
        //Header and Footer Setting
        float textBase = document.bottom();
        float textTop = document.top();
        String ramboAccounturl = docRoot + RamboConstants.DEFAULT_LOGO_IMAGE_PATH;
        Image ramboImage = Image.getInstance(ramboAccounturl);
        String reviewName = displayName;//"Review: " + review.getReviewName();

        //Header Horizontal Line
        cb.setLineWidth(1);
        cb.closePath();
        //Footer Horizontal Line
        float footerY = document.bottom();
        footerY += 10;
        cb.setColorStroke(BaseColor.BLACK);;
        cb.moveTo(document.left(), footerY);
        cb.lineTo(document.right(), footerY);
        cb.stroke();
        cb.setColorFill(BaseColor.BLACK);
        Image bkgImage = Image.getInstance(docRoot + RamboConstants.BACKGROUNG_IMAGE);
        cb.addImage(bkgImage, document.right() - document.rightMargin() + 35f, 0, 0, RamboConstants.PDF_LOGO_MAX_HEIGHT + 8f,
                document.left() - 20, textTop - 18f);
        cb.beginText();
        //account logo image
        account.setDirectS3Download(RamboConstants.TRUE);
        Image image = null;
        String accountLogoUrl = ramboContext.getFileManager().buildFileUrl(account, RamboConstants.DOCTYPE_LOGO_HEADER_ACCOUNT, null);
        if (accountLogoUrl != null) {
            try {
                image = Image.getInstance(new URL(accountLogoUrl));
            } catch(Exception e) {
                ramboAccounturl = docRoot + RamboConstants.DEFAULT_LOGO_WHITE_IMAGE_PATH;
                image = Image.getInstance(ramboAccounturl);
            }
        } else {
            ramboAccounturl = docRoot + RamboConstants.DEFAULT_LOGO_WHITE_IMAGE_PATH;
            image = Image.getInstance(ramboAccounturl);
        }
        image.setAbsolutePosition(document.left() - 4f, textTop - 12f);
        float width = image.getWidth() * RamboConstants.PDF_REVIEW_PIXEL_TO_USER_POINT_CONVERSION_RATE;
        float height = image.getHeight() * RamboConstants.PDF_REVIEW_PIXEL_TO_USER_POINT_CONVERSION_RATE;
        if (width > RamboConstants.PDF_LOGO_MAX_WIDTH){ // source is wider than target in proportion
            float ratio = RamboConstants.PDF_LOGO_MAX_WIDTH / width;
            width = width * ratio;
            height = height * ratio;      
        }
        if (height > RamboConstants.PDF_LOGO_MAX_HEIGHT){ 
            float ratio = RamboConstants.PDF_LOGO_MAX_HEIGHT / height;
            width = width * ratio;
            height = height * ratio;      
        } 
        image.scaleAbsoluteWidth(width);
        image.scaleAbsoluteHeight(height);
        cb.addImage(image);

        //review name
        cb.setColorFill(BaseColor.WHITE);
        cb.setFontAndSize(helv , RamboConstants.PDF_REVIEW_NAME_FONT_SIZE);
        cb.setTextMatrix(document.right() - helv.getWidthPoint(reviewName, RamboConstants.PDF_REVIEW_NAME_FONT_SIZE) - 
                40, textTop + 5);
        cb.showText(reviewName);

        cb.setColorFill(BaseColor.BLACK);
        //rambo account logo
        ramboImage.setAbsolutePosition(document.left(), textBase - 25);
        width = ramboImage.getWidth();
        height = ramboImage.getHeight();
        if (width > RamboConstants.PDF_ROBOHEAD_LOGO_MAX_WIDTH){ // source is wider than target in proportion
            float ratio = RamboConstants.PDF_ROBOHEAD_LOGO_MAX_WIDTH / width;
            width = width * ratio;
            height = height * ratio;
        }
        if (height > RamboConstants.PDF_ROBOHEAD_LOGO_MAX_HEIGHT){ 
            float ratio = RamboConstants.PDF_ROBOHEAD_LOGO_MAX_HEIGHT / height;
            width = width * ratio;
            height = height * ratio;      
        } 
        ramboImage.scaleAbsoluteWidth(width);
        ramboImage.scaleAbsoluteHeight(height);
        cb.addImage(ramboImage);
        //powered by text
        String poweredByText = ramboContext.getMessageSource().getMessage("msg_footer_powered_by", null, Locale.getDefault());
        cb.setFontAndSize(BaseFont.createFont(BaseFont.HELVETICA_BOLD, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED), 
                10);
        cb.setTextMatrix(document.left() + 70, 20);
        cb.showText(poweredByText);

        //Page number
        String text = "Page " + writer.getPageNumber() + " of ";
        cb.setFontAndSize(helv , RamboConstants.PDF_FOOTER_FONT_SIZE);
        cb.setTextMatrix(document.right() - helv.getWidthPoint(text, RamboConstants.PDF_FOOTER_FONT_SIZE) - 
                RamboConstants.PDF_FOOTER_FONT_SIZE, 20);
        cb.showText(text);
        cb.endText();
        cb.addTemplate(total, document.right() - RamboConstants.PDF_FOOTER_FONT_SIZE, 20);  

    } catch (Exception e) {
        throw new RuntimeException("Failed to add header footer to PDF page ");
    }

    cb.restoreState();

我的pdf看起来像这样。我在中添加了以上代码 onEndPage() 事件此代码用于生成页眉和页脚部分。