Hi Andrea,
Thank you for the solution. We've increased the heap memory to 2Gb and the
filter-media is working fine now.
Thanks and Regards,
Melisa
SP Library
From: Andrea Schweer [mailto:[email protected]]
Sent: 04 February 2013 11:33
To: [email protected]
Cc: Melisa Ong
Subject: Re: [Dspace-tech] Media filter for powerpoint file -
java.lang.OutOfMemoryError
Hi Melisa,
On 04/02/13 15:59, Melisa Ong wrote:
When we run the filter-media function, we kept running into this out of memory
error for some powerpoint files.
Has anyone encountered this error when running the filter-media for powerpoint
files?
Have you tried increasing the heap memory for the media filter? Assuming that
you're running DSpace 1.7 or higher, you can change this in the
[dspace]/bin/dspace file:
https://wiki.duraspace.org/display/DSDOC3x/Performance+Tuning+DSpace#PerformanceTuningDSpace-GivetheCommandLineToolsMoreMemory
Also it tends to halt the filter-media after the error is encountered. Is there
a way to allow the command to detect(or prompt) the file/s with error and then
continue to run for other files?
I don't think there is -- and especially not once the process has crashed due
to lack of heap memory.
You could use the --skip option for items that you know are problematic, but
even that doesn't sound doable for a large repository.
There's a somewhat ugly workaround though. The filter-media job will skip over
items that it has already processed; it considers an item to have been
processed when there is an appropriately-named text file in the TEXT bundle..
So you could just create an empty file with the appropriate name and put it
into the item's TEXT bundle (that is, if your PPT file is called slides.ppt,
call the empty file slides.ppt.txt). The filter-media task should then no
longer try to extract text from that PowerPoint file.
My first step would be to increase the heap memory and see if that makes the
media filter work for all existing items.
cheers,
Andrea
--
Dr Andrea Schweer
IRR Technical Specialist, ITS Information Systems
The University of Waikato, Hamilton, New Zealand
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