iText将HTML页面内容写入PDF中表格不显示

将HTML页面写入PDF中，如果HTML中存在表格，转换代码运行就报错
Exception in thread "main" java.lang.NoSuchMethodError: com.itextpdf.text.pdf.PdfPTable.addCell(Lcom/itextpdf/text/pdf/PdfPCell;)V
at com.itextpdf.tool.xml.html.table.Table.end(Table.java:421)
at com.itextpdf.tool.xml.html.AbstractTagProcessor.endElement(AbstractTagProcessor.java:189)
at com.itextpdf.tool.xml.pipeline.html.HtmlPipeline.close(HtmlPipeline.java:209)
at com.itextpdf.tool.xml.XMLWorker.endElement(XMLWorker.java:141)
at com.itextpdf.tool.xml.parser.XMLParser.endElement(XMLParser.java:395)
at com.itextpdf.tool.xml.parser.state.ClosingTagState.process(ClosingTagState.java:70)
at com.itextpdf.tool.xml.parser.XMLParser.parseWithReader(XMLParser.java:235)
at com.itextpdf.tool.xml.parser.XMLParser.parse(XMLParser.java:213)
at com.itextpdf.tool.xml.XMLWorkerHelper.parseXHtml(XMLWorkerHelper.java:175)
at com.centersoft.test.Test.main(Test.java:26)

http://www.cnblogs.com/mvilplss/p/5646675.html