Jörg Waßmer created PDFBOX-4956:
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Summary: COSName.hashCode initialized after put to cache, instead
before
Key: PDFBOX-4956
URL: https://issues.apache.org/jira/browse/PDFBOX-4956
Project: PDFBox
Issue Type: Bug
Affects Versions: 2.0.21
Reporter: Jörg Waßmer
In the constructor org.apache.pdfbox.cos.COSName.COSName(String, boolean), the
field COSNam.hashCode gets initialized after the COSName instance has been
added to the cache.
Thus, concurrent threads using the cached instance may see different values in
COSName.hashCode().
Just to mention, that's another problem:
The whole caching is quite dirty, because it leaks memory if the application is
not aware of calling COSName.clearResources().
Ideally, the class COSName would not exist at all, since it has no benefit over
using strings directly. Of course, it would be quite a hard work to get rid of
it.
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