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https://issues.apache.org/jira/browse/PDFBOX-4109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16377545#comment-16377545
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Joseph Smith commented on PDFBOX-4109:
--------------------------------------
A bit of both I suppose. I was reviewing the code that produced the original
issue which is in a production deployment. I was exploring the benefit of
updating versions in order to remove our work around for this issue and clean
up the code a bit.
Based on the original developers research the issue came down to this test
which is in our code base. I noticed that the issue could not be reproduced
easily last time because the original test was written in Groovy. I created a
Java version which would reproduce the test just to help illustrate and
reproduce the original issue.
Did something change about the initialization of PDDocument between 1.8.10 and
2.0.8 that would have impact?
> Static Initialization Deadlock between COSNumber/COSInteger (2)
> ---------------------------------------------------------------
>
> Key: PDFBOX-4109
> URL: https://issues.apache.org/jira/browse/PDFBOX-4109
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.5, 2.0.8
> Reporter: Tilman Hausherr
> Priority: Major
>
> Written by [~jesmith3] in PDFBOX-3698:
> {code:java}
> public class PDFBox3698
> {
> public static void main(String[] args) throws ClassNotFoundException,
> InterruptedException
> {
> Thread thread = new Thread(new Runnable() {
> @Override
> public void run() {
> try {
> Class.forName(COSNumber.class.getName(), true,
> COSNumber.class.getClassLoader());
> } catch (ClassNotFoundException ex) {
> //
> }
> }
> });
> thread.start();
> Class.forName(COSInteger.class.getName(), true,
> COSInteger.class.getClassLoader());
> thread.join();
> }
> }
> {code}
> I was able to reproduce in 2.0.5 with a few executions.
> I downloaded 3.0.0-SNAPSHOT 453 and ran the test against it and I can no
> longer reproduce the issue.
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