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Trouble opening certain files and formats

Hello Support Team,

We are currently testing Group Docs in the .java Version on our Cloud Service. Unfortunally, we have a lot of files not opening (error in the middle of the operation) or just giving a blank Page. There are some files that are very common an very important for our operation, like dwg, xls, png, jpg, eml, jpeg, doc, zip, rar,…
I have prepared a Excel list (second tab) with the full list of file formats not working, incuding the files and the filesize. Can you pls have a look into it and give us some advice why we have this trange behavior? All filetypes mentioned should work as per your documentation.
Thank you in advance!
Google Drive with testfiles and list: https://drive.google.com/drive/folders/1p31HqQ56nC2dy9U3mBm1U0ZfZfVoFde-?usp=sharing


Please share the details

  • GroupDocs.Viewer for Java version
  • OS and version
  • Java version
  • Demo or sample app


Hi Vladimir Litvinchik,

Thank you for your quick reply.

We have now also rechecked most of these files with your docker image (https://hub.docker.com/r/groupdocs/viewer) and got almost the same outcome.

We started this docker image as described in your github page (https://github.com/groupdocs-viewer/GroupDocs.Viewer-for-Java/tree/master/Demos/Dropwizard#docker-image):

docker run -p 8080:8080 --env application.hostAddress=localhost groupdocs/viewer

For example the 3MB Jpeg file JPG_Image3Mb.jpg took ~5min to render. (also we recognized that here the print function just exports a gray rectangular: Print_jpeg.jpg (117.4 KB))

The SVG (“SVG_big_sample.svg”) is still rendering…

The FloorPlan.dwg renders just a white page…
Also this DWG with just 2 circles renders only a white page: Zeichnung1.zip (25.9 KB)

Also we see in the docker logs that the file extension is required? Is this really correct? (tried to upload file without extension in the filename…)

2023-02-28 15:32:01.728 ERROR 1 --- [tp1313799195-78] c.g.u.e.GroupDocsExceptionHandler        : java.lang.IllegalArgumentException: Not null or empty value expected - extension


Thank you for sharing the details. We’ll take a look and update you.

We have opened the following new ticket(s) in our internal issue tracking system and will deliver their fixes according to the terms mentioned in Free Support Policies.

Issue ID(s): VIEWERJAVA-3077

You can obtain Paid Support Services if you need support on a priority basis, along with the direct access to our Paid Support management team.

Hi Vladimir,

any updates or advices?


The issue is under investigation by the development team. As soon as we have any new information well let you know.

Good Morning Vladimir,

I guess there is something major wrong with the Libary, otherwise there wouldn’t be a 10 day investigation period. Can you please give me any updates? Anthing we can do to get the libary back on track?


Sure, we have completed the investigation and will share the results with you soon.

I have checked all provided files. Problems with 19 of them were reproduced.
2 of all problems were fixed in GroupDocs.Viewer, so the fix will be available with the next release.
Problems with 4 other files will be fixed later.
Problems with other 13 files are fixed in sample applications.
The samples are already published to Docker Hub and release section of GitHub as v23.2.1.


Beispiel IFC-Modell.ifc | fixed
bridge.dxf | VIEWERJAVA-3109
Engineering building text Brand Vector.ai | VIEWERJAVA-3107
FILES-XLM.xlsm | fixed
icddrink.plt | VIEWERJAVA-3111
IFC_BIM.ppt | fixed
Marketing campaign planning.mpt | fixed
Microsoft Windows SharePoint Services deployment.MPT | fixed
PPS_Presentation_small.pps | fixed
PPSX_Presentation_small.ppsx | fixed
results-BIG_BUT_NOT_PROBLEMATIC.zip | fixed in Viewer
sample-1.7z | fixed in Viewer
sample-5.rar | fixed
sample1.sql | fixed
sample2.sql | fixed
Softwaretesting_Präsentation.pptx | fixed
Typography_design 06.ai | VIEWERJAVA-3114
XLS_Abnahme-V322-Formular-MZ.xls | fixed
XLSX_Testcases-Full-Template.xlsx | fixed