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https://issues.apache.org/jira/browse/PDFBOX-4167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr reassigned PDFBOX-4167:
---------------------------------------
Assignee: Tilman Hausherr
> OutOfMemoryError on FlateFilter - Deflater.end() is missing
> -----------------------------------------------------------
>
> Key: PDFBOX-4167
> URL: https://issues.apache.org/jira/browse/PDFBOX-4167
> Project: PDFBox
> Issue Type: Bug
> Components: Writing
> Affects Versions: 2.0.8, 2.0.9
> Environment: Windows 7 x64, Java 8 SE
> Reporter: MINAKAMI Hiroki
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 2.0.10, 3.0.0 PDFBox
>
>
> While creating some large PDF documents by PDFBox 2.0.8 and 2.0.9, I met an
> OutOfMemoryError on FlateFilter.encode().
> While creating some small PDF documents, there are no problems.
> I checked the source code of org.apache.pdfbox.filter.FlateFilter.java, and I
> found that calling of Deflater.end() method is missing.
> When DeflaterOutputStream object is created by the 'new
> DeflaterOutputStream(encoded,deflater)' constructor method (i.e. 'custom
> deflater' is given),
> DeflaterOutputStream.close() API does *not* call 'deflater.end()' method
> automatically.
> Deflater.end() method may be called by the finalizer at GC, of cource, but
> the timing of GC is undecidable by user. So 'deflater.end()' method should be
> called explicitly. Otherwise it may cause an OutOfMemoryError.
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