There are blank pages when displaying PDF

PDFTron Webviewer

Product Version:

Generally, PDF files can be displayed normally. But in some cases, PDF files cannot be rendered properly, show as blank pages.

We got error like this:

Hello, I’m Ron, an automated tech support bot :robot:

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:


Would you be able to provide steps to reproduce and share the original file? Also, can you reproduce this issue on our online demo here JavaScript PDF Viewer Demo?

Thanks for your reply, it’s ok on the online demo.
It may be caused by incorrect processing of our download file function.
Now we used the WebViewer server to solve this problem, it works.