title: gradle using vm option jasypt private key is not working
body: <p>I want to use db password with jasypt.</p>
  <p>first, in application.yml, it is working writing jasypt.encryptor.password=myencrypt.</p>
  <p>but I want use vm option.
  so I use $ ./gradlew -Djasypt.encryptor.password=myencrypt bootRun</p>
  <p>but it makes
  Failed to bind preperties under spring.datasources.password to java.lang.string:
  Reason: either 'jasypt.encryptor.password' or one of ['jasypt.encryptor.privatr-key-string', 'jasypt.encrytor.private-key-location'] must be provided for password-based or Asymmetric encryption</p>
  <p>jasypt version 2.1.2 and 3.0.4 are same error type.
  jdk 1.8</p>