Error
Command to import the certificate into the Java keystore fails with the following error:
keytool error: java.lang.Exception: Certificate not imported, alias already exists
Cause
Alias already exist. Needs to removed previous alias before adding a new one.
Resolution
Make sure that you don't require the previous import with the same alias. If required , Do this import with new alias. If not, proceed with the following command.
Delete the certificate with the alias using the following command
keytool -delete -alias <Key> -keystore <../.../... /lib/security/cacerts> -storepass changeit .
Then run the import command.