我想导出文档到PdfAConformanceLevel.PDF_A_1B一致性,但当我做document.close,我得到下面的错误,结果pdf是不可用的。com.itextpdf.text.pdf.PdfWriter$PdfBody.write(PdfWriter.java:420)
at com.itextpdf.text.pdf.PdfWriterjava.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:6