"Not a Signed Jar File" Error When Attempting to Calculate Base64 Encoded SHA-256 Digest of the Certificate Used to Sign Android Application (Doc ID 2618562.1)

Last updated on APRIL 24, 2023

Applies to:

Symptoms

When attempting to calculate certificate digest after generating the signed .apk file with V2(Full signature),
the following error occurs.

ERROR
-----------------------
"Not a signed jar file"

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Generate the signed .apk file with V2(Full signature).
2. Run the command to calculate certificate digest.

Changes

Cause

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.