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https://issues.apache.org/jira/browse/PDFBOX-5839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17854994#comment-17854994
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liu edited comment on PDFBOX-5839 at 6/14/24 8:53 AM:
------------------------------------------------------
2.0.31 version can be get an exception.
{code:java}
//代码占位符
public static void main(String[] args) throws IOException, InterruptedException
{
File file = new File("C:\\Users\\LYCIT\\Downloads\\2.pdf");
final PDDocument load = PDDocument.load(file,
MemoryUsageSetting.setupTempFileOnly());
PDFRenderer renderer = new PDFRenderer(load);
renderer.setSubsamplingAllowed(true);
int pageIndex = 0;
float scale = 2f;
BufferedImage bufferedImage = renderer.renderImage(pageIndex, scale,
ImageType.RGB);
}{code}
was (Author: JIRAUSER297279):
2.0.31 version can be get an exception.
{code:java}
//代码占位符
{code}
public static void main(String[] args) throws IOException, InterruptedException
\{ File file = new File("C:\\Users\\LYCIT\\Downloads\\加水印pdfbox报错\\2.pdf");
final PDDocument load = PDDocument.load(file,
MemoryUsageSetting.setupTempFileOnly()); PDFRenderer renderer = new
PDFRenderer(load); renderer.setSubsamplingAllowed(true); int pageIndex = 0;
float scale = 2f; BufferedImage bufferedImage = renderer.renderImage(pageIndex,
scale, ImageType.RGB); }
> ClassCastException: org.apache.pdfbox.cos.COSNull cannot be cast to
> org.apache.pdfbox.cos.COSDictionary
> -------------------------------------------------------------------------------------------------------
>
> Key: PDFBOX-5839
> URL: https://issues.apache.org/jira/browse/PDFBOX-5839
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.31, 3.0.2 PDFBox
> Reporter: liu
> Priority: Major
> Attachments: 1.pdf, 2.pdf, image-2024-06-14-15-36-01-099.png,
> image-2024-06-14-16-35-39-381.png, image-2024-06-14-16-39-47-557.png
>
>
> [^1.pdf][^2.pdf]
> ^!image-2024-06-14-15-36-01-099.png|width=395,height=214!^
> When rendering 1.pdf and 2.pdf, there will be a ClassCastException problem.
>
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