在 org.apache.pdfbox.pdmodel.graphics.color.PDPattern.toRGB 获得 java.lang.UnsupportedOperationException

Question

我在 java 应用程序中使用 pdfbox-2.0.9 将 PDF 文件转换为 html。但是我得到

java.lang.UnsupportedOperationException
    at org.apache.pdfbox.pdmodel.graphics.color.PDPattern.toRGB(PDPattern.java:95)
    at org.fit.pdfdom.PathDrawer.pdfColorToColor(PathDrawer.java:133)
    at org.fit.pdfdom.PathDrawer.clearPathGraphics(PathDrawer.java:79)
    at org.fit.pdfdom.PathDrawer.drawPath(PathDrawer.java:59)
    at org.fit.pdfdom.PDFDomTree.createPathImage(PDFDomTree.java:403)
    at org.fit.pdfdom.PDFDomTree.renderPath(PDFDomTree.java:251)
    at org.fit.pdfdom.PDFBoxTree.processOperator(PDFBoxTree.java:499)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:503)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:477)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.showForm(PDFStreamEngine.java:181)
    at org.apache.pdfbox.contentstream.operator.DrawObject.process(DrawObject.java:65)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:848)
    at org.fit.pdfdom.PDFBoxTree.processOperator(PDFBoxTree.java:542)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:503)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:477)
    at org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:150)
    at org.apache.pdfbox.text.LegacyPDFStreamEngine.processPage(LegacyPDFStreamEngine.java:139)
    at org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:391)
    at org.fit.pdfdom.PDFBoxTree.processPage(PDFBoxTree.java:208)
    at org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:319)
    at org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:266)
    at org.fit.pdfdom.PDFDomTree.createDOM(PDFDomTree.java:218)
    at com.demo.pdf.converter.PdfProcessor.convertToHtml(PdfProcessor.java:87)

我正在尝试转换的 pdf 可以从 here 访问。

Answer 1

此问题已在 PDF2Dom v1.9 中得到解决。我尝试了您随此版本提供的 pdf，它正在得到适当的转换。
没有抛出异常。请通过将 PDF2Dom 更新到 v1.9
来确认您可以找到最新的依赖项 here .

在 org.apache.pdfbox.pdmodel.graphics.color.PDPattern.toRGB 获得 java.lang.UnsupportedOperationException

Getting java.lang.UnsupportedOperationException at org.apache.pdfbox.pdmodel.graphics.color.PDPattern.toRGB

html

pdf

dom

pdfbox