i have try your way ,but it still don't work.
i have add a new vibe and login with admin ,change password.then logout
use the restore ,then i got..............

HTTP Status 500 Internal Server Error
Type Exception Report

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.jasypt.exceptions.EncryptionOperationNotPossib leException
org.jasypt.encryption.pbe.StandardPBEByteEncryptor .decryp
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