* If neither a StringEncryptor nor a TextEncryptor can be retrieved
* from the registry, this means that this EncryptableProperties
* object has been serialized and then deserialized in a different
* classloader and virtual machine, which is an unsupported behaviour.
*/
throw new EncryptionOperationNotPossibleException(
"Neither a string encryptor nor a text encryptor exist " +
"for this instance of EncryptableProperties. This is usually " +
"caused by the instance having been serialized and then " +
"de-serialized in a different classloader or virtual machine, " +
"which is an unsupported behaviour (as encryptors cannot be " +