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From "Joey Ezekiel (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FOP-2189) Apache FOP 1.0 Multithreading Problems - Too many open files err24
Date Fri, 07 Jun 2013 15:48:20 GMT

     [ https://issues.apache.org/jira/browse/FOP-2189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Joey Ezekiel updated FOP-2189:

    Attachment: Analyzer.log

tusc.log contains the open/close commands monitored on the unix bos. Analyzer.log gives which
files are being left open. The jar files/system commands can be ignored - the calls to the
image files are the concern.
> Apache FOP 1.0 Multithreading Problems - Too many open files err24
> ------------------------------------------------------------------
>                 Key: FOP-2189
>                 URL: https://issues.apache.org/jira/browse/FOP-2189
>             Project: Fop
>          Issue Type: Bug
>          Components: pdf
>    Affects Versions: 1.0
>         Environment: HP Unix 
>            Reporter: Joey Ezekiel
>              Labels: Exception, Font", IOException, PDF, error
>             Fix For: trunk
>         Attachments: Analyzer.log, tusc.log
> We use Apache FOP to convert a whole lot of XML's to AFP's and PDF's. Our current load
would be around 25k files per run on a HP-UX system. We have 12 threads in total that are
used to initialize and trigger the FOP conversion in a producer-consumer fashion. Recently
there have been multiple failures during conversion and when looked up, we've received generic
FOP errors like:
> **ERROR,2460364,FOToPDF_Thread_11,FOP Exception, something.pdf,Failed to resolve font
with embed-url './Fonts/arial.ttf'**
> or its an error failing to load the font metrics file although the files are intact with
the right permissions. Many other PDF's are generated so this can't be the problem.
> We also wind up with:
> **java.io.FileNotFoundException: /PDF/20130111130002/something.pdf (Too many open files
> judging by the logs and volume being processed, this looks like an FOP problem. I've
read that FOP has had this issue in the past with the font files. There have been instances
where Apache has opened each font file multiple times and not closed the handles resulting
in a large number of open files. This was supposed to be fixed, but if it still persists,
what would be a good and quick solution to this?

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