Error on PDFDocumentLoadingTask.destroy: Cannot read property 'objs' of undefined

[Kureev]

Version 1.2.38
Occurs when I try to cancel existing transfer.

Seems messageHandler keeps receiving 'obj' messages even after destroy(). But pageCache object has been flushed already, so line 2915 if (pageProxy.objs.hasData(id)) { throws an error above.

cc @yurydelendik

[yurydelendik]

@Kureev can you provide a test case?

[yurydelendik]

Also see if #6571 fixes the issue

[Kureev]

@yurydelendik I'm using it for a single document, so seems #6571 can't help me with it. What kind of a test case do you want?

[yurydelendik]

What kind of a test case do you want?

A test case that demonstrate the issue. You already have a code, so it will save the project contributors time to narrow down the issue.

[Kureev]

@yurydelendik Unfortunately, I don't have a permission to share this code with anybody, but I'll try to compose a sandbox to demonstrate it

[Kureev]

@yurydelendik https://github.com/Kureev/pdfjs-example

[yurydelendik]

Okay, it looks like the similar issue as in #6560, but at different timing. Used PDF document is also matters. (You can reproduce with high rate if you will add pdf.destroy(); just after the render method call).

[Kureev]

This works ❤️ !