BIOVIA Notebook: Problem while uploading PDF files

Description: Unable to upload PDF files, neither under a PDF section or under a File Attachment section. The PDF files upload never finishes.
If the PDF files are saved as new PDFs using the PDF Creator 4.2.0 software the upload works.
Following error observed: �2021/12/28 �10:06:06.371 �ID:85 �DEBUG �CELN-10437: Exception in PublicUrlHelper._GetResourceUri:
No resource route templates defined for type "Contur.ElnAPI.Models.Data[]" at <server ID>

Solution: "log4j" as a response to a security threat. Remove it and PDF upload works fine again.

Below are the steps to remove “log4j“ :

Step 1: Please check DesktopConnector logs and if found that there is a failing endpoint
”https://<server url>” remove it.

Step 2: Also check using messaging mode, check this by looking at the api/web.config file.

<!--
Specify the allowed communication modes between the Notebook web client and the Desktop Connector
Possible values are:
-0 (Legacy mode, using websocket on localhost)
-1 (Messaging Service mode)
-2 (Both)
-->
<add key="MessagingMode" value="1"/>

This setting is not required since 2021, as legacy mode is not supported.

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