{-}{-}{color:#4c9aff}_Update, because seems it doesn't help, but my previous comment points to reason._{color}
-Note, that it was related to the permission. At least on my end on W11 Pro, after I removed the flag *Read-only* (default state for folders on Windows) for folder (after saving changes I agree on applying same rule for subfolders), and restarted the Tomcat, I don't have any warnings after upload/delete attachment sections.- {code:none} \apache-tomcat-9.0.97\work\Catalina\localhost\xwiki{code} -Hope it will be helpful.-
-However, it won't resolve printing warning in action to upload XAR from AdminImportSheet page.-
Nikita Petrenko on 03/Sep/25 13:26
{-}{-}{color:#4c9aff}_Update_Updated, because seems it doesn't help, but my previous comment points has link to reason explanation and solution._{color}
-Note, that it was related to the permission. At least on my end on W11 Pro, after I removed the flag *Read-only* (default state for folders on Windows) for folder (after saving changes I agree on applying same rule for subfolders), and restarted the Tomcat, I don't have any warnings after upload/delete attachment sections.- {code:none} \apache-tomcat-9.0.97\work\Catalina\localhost\xwiki{code} -Hope it will be helpful.-
-However, it won't resolve printing warning in action to upload XAR from AdminImportSheet page.-
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