Difficulties for integrating/linking WFS/WMS geoservices into metadata record (slowness)

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With GeoNetwork 4.2.3, I'm facing difficulties regarding one record. I don't notice this problem for all records, just this one. The problem is for integrating/linking WFS/WMS within the metadata record. I succeed without problem in loading the data (postgis layer) into QGIS (WFS/WMS).For information, the WFS/WMS geoservices are published thanks to GeoServer.
So when editing the metadata record and trying to link/integrate the WMS/WFS the page becomes really slow :

And I assume that the geoservices are not functional if integrated into the record. I tried to reindexed this record but that didn't change anything.

Moreover, When I authenticate (admin) on the catalog, I can't access the record editing interface. There is a message saying 'An error occurred while calling the service':

For information, there are several spatial reference systems : for the PostGIS layer (EPSG:2154 - RGF93 v1 / Lambert-93 - Projected), the WMS (not projected in EPSG:4326 - WGS 84) and WFS (not projected in EPSG:3857 - WGS 84 / Pseudo-Mercator).

If needed, I can share catalina.out log file.

[jahow]

Could you please share any error that appears in the browser console (accessed using F12)? Thanks!

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Thanks so much for your help. So i'm taking the liberty to share the screen shot showing the error message and the browser console interface (Google chrome F12) when i try to edit the record.
.
So, moreover, i paste the SS showing the network menu of the F12 interface.
The error could come from the fact that the request for editing the file is made in type "json" instead of "xml" normally but I don't understand why.

If needed, I can share catalina.out log file (server side).
Thanks so much for your help.

[jahow]

This error does not ring a bell for me, unfortunately. Could you maybe share the response of the GET request that fails with a 400 code?

[image80]

Hello. Thanks so much for your message. Please find attached a screen shot more detailed regarding the replies (console -> reply).

[jahow]

It looks like your record is causing an XSL error. Could you share the record XML so that it can be investigated further? thanks!

Also, it would be interesting to try out with a more recent version of GN, as these errors are usually corrected regularly when they appear.

[image80]

Hello. Thanks for your help. Please find attached the XML file (.zip). For information, our GN version is : 4.2.3.
81158646-5a3f-4724-8339-1ae726b82e09.zip

[jahow]

This record has two mdb:identificationInfo blocks, and some fields were present in both (title and abstract) which was causing an error. I've quickly merged both blocks and removed the extra empty title and abstract and it seems to work:

81158646-5a3f-4724-8339-1ae726b82e09 fixed.zip

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Thank you for your usefull help

[jahow]

If the issue is fixed on your side please feel free to close this ticket, thanks ;)