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https://issues.apache.org/jira/browse/PDFBOX-4384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16700645#comment-16700645
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Tilman Hausherr commented on PDFBOX-4384:
-----------------------------------------

This is now a different strategy, the page tree validation process is aborted. 
It is still possible that other errors appear after that. It is also possible 
that it doesn't abort because there is a super-complicated page. This is too 
difficult to change.

To configure, call {{document.getContext().getConfig().setMaxErrors(xxx)}}.

> PDF/A Document Validation out of memory
> ---------------------------------------
>
>                 Key: PDFBOX-4384
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4384
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Preflight
>    Affects Versions: 2.0.8, 2.0.12
>            Reporter: Vincenzo Mangiapanello
>            Priority: Major
>
> Hi everyone,
> validating a customer PDF file, using
> {code:java}
> document.validate(){code}
> we recognise that if the file itself has an enormous numbers of validation 
> errors, the process goes to OutOfMemory and at the end the we get the GC 
> error.
> In our case the file has more than 550.000 errors. So we cannot go head with 
> the conversion to PDF/A. 
> To avoid this kind of error it could be useful to configure a max number of 
> validation errors to stop the process if this value has been reached.
> We cannot attach the original document, because it is a customer's file.



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