Using the Java Buildpack Offline v4.76 results in build failure, your app staging fails with the below error
2025-02-17T06:11:20.89+0000 [STG/0] OUT Cell e53fec17-4050-4957-a437-d1044efeeea9 successfully created container for instance 8cb2dd96-6ec0-4726-bcdb-6536b7a79d55
2025-02-17T06:11:21.22+0000 [STG/0] OUT Downloading app package...
2025-02-17T06:11:23.28+0000 [STG/0] OUT Downloaded app package (61.9M)
2025-02-17T06:11:23.40+0000 [STG/0] ERR gzip: stdin: unexpected end of file
2025-02-17T06:11:23.40+0000 [STG/0] ERR tar: Child returned status 1
2025-02-17T06:11:23.40+0000 [STG/0] ERR tar: Error is not recoverable: exiting now
2025-02-17T06:11:23.41+0000 [STG/0] ERR Failed to compile droplet: Failed to run finalize script: exit status 2
2025-02-17T06:11:23.41+0000 [STG/0] OUT Exit status 223
4.76.0 has a BUG and has been removed and the same has been updated in the official docs
https://techdocs.broadcom.com/us/en/vmware-tanzu/platform/tanzu-platform-for-cloud-foundry/6-0/tpcf/java.html
New version of Java Build Pack 4.79.0 has been released which fixes the issue.