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From "Tilman Hausherr (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-4601) in AWS lambda pdf merge giving error as Error in pdf consolidation: Expected scratch file size of 196608 but found 192512
Date Mon, 22 Jul 2019 06:50:00 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-4601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16889952#comment-16889952
] 

Tilman Hausherr commented on PDFBOX-4601:
-----------------------------------------

I mean the modified PDFBox version, see the link I posted friday. That one that does more
logging.

> in AWS lambda pdf merge giving error as Error in pdf consolidation: Expected scratch
file size of 196608 but found 192512
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: PDFBOX-4601
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4601
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 2.0.12, 2.0.16
>         Environment: AWS Lambda
>            Reporter: biswajit
>            Priority: Major
>             Fix For: 2.0.17
>
>
> in AWS lambda pdf merge giving error as
> {{Error in pdf consolidation: Expected scratch file size of 196608 but found 192512.}}
> *Code:*
> {code}
> PDFMergerUtility pdfMerger = new PDFMergerUtility();
> pdfMerger.addSources(sources);
> pdfMerger.setDestinationStream(mergedPDFOutputStream);
> pdfMerger.mergeDocuments(MemoryUsageSetting.setupTempFileOnly());
> {code}
> both InputStream and OutputStream are ByteArrayInputStream and ByteArrayOutputStream.
AWS Lambda environment has 512MB space available only for /tmp partition. This could be an
issue or not I am not sure. And AWS lambda do not permit other directory than /tmp partition
to create files.
> And while reading into the code I found below piece of code which I think always be
true. Because if you add some constant amount to an integer that will always be constant amount
greater than its original value
> in ScratchFile.java => enlarge() method:
> {code}
> if (pageCount + ENLARGE_PAGE_COUNT > pageCount)
> {
>   fileLen += ENLARGE_PAGE_COUNT * PAGE_SIZE;
>   raf.setLength(fileLen);
>   freePages.set(pageCount, pageCount + ENLARGE_PAGE_COUNT);
> }
> {code}



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