我正在尝试使用POI将docx文件转换为pdf文件,但出现以下错误。使用poi-3.17版本。
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.poi.xwpf.converter.pdf.PdfConverter;
import org.apache.poi.xwpf.converter.pdf.PdfOptions;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
public class WordToPDF {
public static void main(String[] args) {
WordToPDF cwoWord = new WordToPDF();
System.out.println("Start");
cwoWord.ConvertToPDF("D:\\2067536.docx", "D:\\2067536.pdf");
}
public void ConvertToPDF(String docPath, String pdfPath) {
try {
InputStream doc = new FileInputStream(new File(docPath));
XWPFDocument document = new XWPFDocument(doc);
document.createStyles();
PdfOptions options = PdfOptions.create();
OutputStream out = new FileOutputStream(new File(pdfPath));
PdfConverter.getInstance().convert(document, out, options);
System.out.println("Done");
} catch (FileNotFoundException ex) {
System.out.println(ex.getMessage());
} catch (IOException ex) {
System.out.println(ex.getMessage());
}
}
}
这里是发生错误的地方。
Exception in thread "main" org.apache.poi.xwpf.converter.core.XWPFConverterException: java.lang.NullPointerException
at org.apache.poi.xwpf.converter.pdf.PdfConverter.doConvert(PdfConverter.java:70)
at org.apache.poi.xwpf.converter.pdf.PdfConverter.doConvert(PdfConverter.java:38)
at org.apache.poi.xwpf.converter.core.AbstractXWPFConverter.convert(AbstractXWPFConverter.java:45)
at WordToPDF.ConvertToPDF(WordToPDF.java:27)
at WordToPDF.main(WordToPDF.java:17)
Caused by: java.lang.NullPointerException
at org.apache.poi.xwpf.converter.pdf.internal.PdfMapper.visitHeader(PdfMapper.java:178)
at org.apache.poi.xwpf.converter.pdf.internal.PdfMapper.visitHeader(PdfMapper.java:111)
at org.apache.poi.xwpf.converter.core.XWPFDocumentVisitor.visitHeaderRef(XWPFDocumentVisitor.java:1142)
at org.apache.poi.xwpf.converter.core.MasterPageManager.visitHeadersFooters(MasterPageManager.java:213)
at org.apache.poi.xwpf.converter.core.MasterPageManager.addSection(MasterPageManager.java:180)
at org.apache.poi.xwpf.converter.core.MasterPageManager.compute(MasterPageManager.java:127)
at org.apache.poi.xwpf.converter.core.MasterPageManager.initialize(MasterPageManager.java:90)
at org.apache.poi.xwpf.converter.core.XWPFDocumentVisitor.visitBodyElements(XWPFDocumentVisitor.java:232)
at org.apache.poi.xwpf.converter.core.XWPFDocumentVisitor.start(XWPFDocumentVisitor.java:199)
at org.apache.poi.xwpf.converter.pdf.PdfConverter.doConvert(PdfConverter.java:56)
... 4 more
由于这是一个空指针错误,我无法理解问题的确切原因,任何帮助将不胜感激。谢谢。
fr.opensagres
版本时会发生什么? - Gagravarr