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https://issues.apache.org/jira/browse/PDFBOX-5199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17349741#comment-17349741
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ASF subversion and git services commented on PDFBOX-5199:
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Commit 1890104 from Tilman Hausherr in branch 'pdfbox/branches/2.0'
[ https://svn.apache.org/r1890104 ]
PDFBOX-5199: avoid possible memory leak
> Possible memory leak after calling decode filter
> ------------------------------------------------
>
> Key: PDFBOX-5199
> URL: https://issues.apache.org/jira/browse/PDFBOX-5199
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.23
> Reporter: Tilman Hausherr
> Priority: Minor
> Fix For: 2.0.24, 3.0.0 PDFBox
>
>
> valerybokov noticed in PR#107 that filters are sometimes closed and sometimes
> not
> {quote}
> IdentityFilter and CCITTFaxFilter extends Filter
> IdentityFilter.encode(InputStream, OutputStream, COSDictionary). The
> InputStream will not be closed.
> CCITTFaxFilter.encode(InputStream, OutputStream, COSDictionary). The
> InputStream will be closed.
> The input parameter will not be closed if an exception is thrown.
> {quote}
> My understanding is that the caller should close streams unless the javadoc
> tell something else. So I did search a bit, and found places in COSStream and
> PDStream where this isn't done. Any close in filter should be removed.
> I also searched for encode but there I found that the caller closes properly.
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