@Jason Liu what is your JDK version? it does seem like this bug (https://bugs.openjdk.org/browse/JDK-6519463) to me.
Alternatively, what would happen if you turn off compression in your Confluence and then generate a new backup?
To turn off compression in Confluence:
Additionally, are you uploading your backup file from UI or from <confluence-home>/restore/site ?
If the later try to do it from UI and see if that fixes the issue
Online forums and learning are now in one easy-to-use experience.
By continuing, you accept the updated Community Terms of Use and acknowledge the Privacy Policy. Your public name, photo, and achievements may be publicly visible and available in search engines.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.