com.itextpdf.text.exceptions.InvalidPdfException: PDF header signature not found 异常表明在使用iTextPDF库处理PDF文件时,未能找到PDF文件的头部签名。PDF文件的头部签名是文件开始处的特定字节序列(通常是%PDF-后跟一个版本号,如%PDF-1.4),用于标识文件为PDF格式。如果库无法找到这个签名,就会抛出此异常。 2. 可...
com.itextpdf.text.exceptions.InvalidPdfException: PDF header signature not found. I receive the same error with all PDF files as input that I could find...why? -aj -- View this message in context: http://itext-general.2136553.n4.nabble.com/PDF-header-signature-not-found-with-all-PDF-fi...
[iText-questions] com.itextpdf.text.exceptions.InvalidPdfException: PDF header signature not found. Kiran Kumar 12 years ago Permalink Hello, We are seeing below exception when reading PDF files, this is observed when we run a load test (the same file is being read like 100 times c...
URL=http://localhost:8080/itext/form.pdf 报出的错误变成。 错误log代码 java.io.IOException: PDF header signature not found. at com.lowagie.text.pdf.PRTokeniser.checkPdfHeader(Unknown Source) at com.lowagie.text.pdf.PdfReader.readPdf(Unknown Source) at com.lowagie.text.pdf.PdfReader.<init>(U...
InvalidPdfException: PDF header signature not found. at com.itextpdf.text.pdf.PRTokeniser.checkPdfHeader(PRTokeniser.java:205) at com.itextpdf.text.pdf.PdfReader.readPdf(PdfReader.java:496) at com.itextpdf.text.pdf.PdfReader.<init>(PdfReader.java:189) at com.itextpdf.text.pdf.PdfReader....
但感谢函全 含.pdf没有。 可断点调试刚走完第一行代码就报错。说 Exception:PDFheadersignaturenotfound. java.io.IOException:PDFheadersignaturenotfound. atcom.lowagie.text.pdf.PRTokeniser.checkPdfHeader(UnknownSource) atcom.lowagie.text.pdf.PdfReader.readPdf(UnknownSource) atcom.lowagie.text.pdf.Pdf...
public static final String PdfHeaderNotFound See Also: Constant Field Values PdfStartxrefNotFound public static final String PdfStartxrefNotFound See Also: Constant Field Values Photometric1IsNotSupported public static final String Photometric1IsNotSupported See Also: Constant Field Values PlanarIm...
对于第二个文件，您使用输入流两次，第二次使用肯定会失败：
iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document en
* in every PDF that is created or manipulated using iText. * @return iText version */ public String getVersion() { return iTextVersion; } /** * Returns a license key if one was provided, or null if not. * @return a license key. */ public String getKey() { return key; } } /...