Bad Escape

Richard Urban

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May 9, 2022, 10:29:58 AM5/9/22

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Hi all,

I have a DROID profile created on a Windows 2012 server that fails on export on the. server. I pulled it over to my local Mac and the latest version, which opens properly and allows me to explore the profiled files. However, when I try to export, I get a "java.lang.illegalArgumentException: Bad Escape."

I haven't found an explicit reference that this is a DROID-specific error. Any other suggestions for troubleshooting?

Thanks,

Richard J. Urban, MLIS, PhD

Digital Asset Manager & Strategist | Rakow Research Library
Corning Museum of Glass

urb...@cmog.org

Matt Palmer

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May 10, 2022, 3:50:03 AM5/10/22

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Hi,

From a Github search, there's no string matching "Bad Escape" in the droid code base.

https://github.com/search?q=Bad+Escape+repo%3Adigital-preservation%2Fdroid&type=code

This is probably the result of a URL encoding/decoding issue. DROID does encode file paths as URLs, so it can point to files nested inside archive files. I suspect that some filename on the system has something in it that's causing the URL encoding/decoding to break for some reason, although I don't know that for sure.

Do you have logs of the actual error - this would provide some context for where the problem is occurring. Note - I'm not part of the National Archives, just someone who has worked on DROID for many years.

Regards,

Matt.

Richard Urban

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May 11, 2022, 8:59:21 AM5/11/22

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Thanks Matt,

I seem to have gotten around this by filtering to only include specific MIME types that I'm concerned with. Now onto the next problem...the export csv seems to consistently tap out at 100K...

Richard

kathryn phelps

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May 19, 2022, 1:14:20 PM5/19/22

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Hi , apologies for not getting back to you sooner. Is the problem still occurring? Please can you confirm The OS (Windows?) and whether you are using the gui version? It sounds like some sort of memory problem.

Sincerely,

Kathryn (PRONOM team member).

Urban, Richard

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May 20, 2022, 10:06:44 AM5/20/22

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Hi Kathryn,

I’m running this on a Windows 2012 R2 server, but I’m more of a Mac/Linux fella. I had brought the completed .droid report over to OSX 12.0.1 (on a M1 chip). I am profiling a drive with approx. 25Tb of files.

However, since writing in I may have figured out what was causing this. I went back and threw a few other things at this and all the methods failed – from Karen’s Directory Printer to a simple DIR /B. This drive is used for both digitization workflows and as a staging area for the backup of other media. Some of the things that were added recently appear to exceed the allowable path length in Windows 2012. There are deeply nested directories and some folders that have been used to leave notes/metadata about their content.

e.g.

My current workaround is to break this into smaller DROID profiles that circumvent the directories causing problems. I’ve been able to create profiles of everything else until I can talk to the stakeholders about the items that are causing problems.

At least…this is my working theory that’s allowed me to get unstuck.

Cheers,

Pronouns: he/him/his

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kathryn phelps

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May 23, 2022, 6:41:22 AM5/23/22

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Hi Richard, ahh yes, the headache of long filepaths in Windows. Very glad to hear you have found a workaround for now. We were able to change the limit on our WIndows machines, so they could handle long filepaths- I don't know if you've tried that?

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