Content Inline Disposition Threshold Dspace 6.3

[arunendra.m...@gmail.com]

Why Content Inline Disposition Threshold is not working in spite of putting the value=-1 for xmlui?

[arunendra.m...@gmail.com]

Any help here?

[Tim Donohue]

In DSpace 6, setting "webui.content_disposition_threshold = -1" just tells DSpace to serve all files "inline" (which tells your browser to attempt to view it in the browser).  However, if your browser doesn't understand the format, then it's still possible it'll simply download the file.  DSpace cannot control what formats your browser understands, so there's no way to force all files to open in your browser.

For more information on what "inline" Content Disposition means, see this: https://stackoverflow.com/questions/1395151/content-dispositionwhat-are-the-differences-between-inline-and-attachment

If you have more questions, let us know on this list.

Tim

[arunendra.m...@gmail.com]

So the same browser which understands the formats in jspui for "webui.content_disposition_threshold = -1"  and opens the file "inline", does not do so in xmlui??

[Tim Donohue]

Hi,

Oh, I missed that you mentioned XMLUI.  I think the XMLUI property is named "xmlui.content_disposition_threshold" instead.  If the -1 value isn't working, you can also try setting it to a very large number... as see there were some prior reports that some people couldn't get -1 to work for XMLUI here: https://groups.google.com/g/dspace-community/c/hZgtgCsVh-A/m/I4mHhm2XCQAJ

Tim

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From: dspac...@googlegroups.com <dspac...@googlegroups.com> on behalf of arunendra.m...@gmail.com <arunendra.m...@gmail.com>
Sent: Monday, August 29, 2022 12:38 PM
To: DSpace Technical Support <dspac...@googlegroups.com>
Subject: [dspace-tech] Re: Content Inline Disposition Threshold Dspace 6.3

 

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[arunendra.m...@gmail.com]

Yes, I did set xmlui.content_disposition_threshold = -1. That didn't work.

My pdfs are around 2.5 GB, so I tried setting a large value like 3300000000 since 3 GB =3221225472

The error message when trying to open the bitstream: java.lang.NumberFormatException: For input string: "3300000000".

[Tim Donohue]

I see...

It appears that xmlui.content_disposition_threshold needs to be a valid integer...which means it'd have a maximum value of 2147483647 (roughly 2GB).

So, you could try that value, but it won't work for PDFs >2GB obviously....those will still be downloaded instead.

Looking at the code, you also could try setting it to "0" (instead of "-1").  It appears zero may be another way of trying to disable it.  But, I'm not entirely sure if that'd work.

If neither of these options work, then I think your best bet may be to look towards an upgrade to DSpace 7 in the future (6.x will be EOL as of July 2023 & may not have any additional releases after 6.4).  DSpace 7 will attempt to serve everything in "inline" mode as long as the file format is included in the "Accept" header (which should include all the formats that your browser understands).

Tim

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From: dspac...@googlegroups.com <dspac...@googlegroups.com> on behalf of arunendra.m...@gmail.com <arunendra.m...@gmail.com>

Sent: Monday, August 29, 2022 9:37 PM

To: DSpace Technical Support <dspac...@googlegroups.com>

Subject: Re: [dspace-tech] Re: Content Inline Disposition Threshold Dspace 6.3

 

To view this discussion on the web visit https://groups.google.com/d/msgid/dspace-tech/87401de8-20ac-4cf5-a160-3524cd724003n%40googlegroups.com.

[arunendra.m...@gmail.com]

Thanks, that worked perfectly.