shiro学习的两个bug还没有解决

1. [http-nio-8080-exec-2] WARN org.apache.shiro.authc.pam.ModularRealmAuthenticator - Realm [com.hjsjy.shiro.realm.ShiroRealm@19121616] threw an exception during a multi-realm authentication attempt:
   java.lang.IllegalArgumentException: Illegal hexadecimal charcter n at index 0
   ModularRealmAuthenticator多realm 异常
2. [http-nio-8080-exec-4] WARN org.apache.shiro.mgt.AbstractRememberMeManager - There was a failure while trying to retrieve remembered principals. This could be due to a configuration problem or corrupted principals. This could also be due to a recently changed encryption key, if you are using a shiro.ini file, this property would be ‘securityManager.rememberMeManager.cipherKey’ see: http://shiro.apache.org/web.html#Web-RememberMeServices. The remembered identity will be forgotten and not used for this request.
   [http-nio-8080-exec-4] WARN org.apache.shiro.mgt.DefaultSecurityManager - Delegate RememberMeManager instance of type [org.apache.shiro.web.mgt.CookieRememberMeManager] threw an exception during getRememberedPrincipals().
   org.apache.shiro.crypto.CryptoException: Unable to execute ‘doFinal’ with cipher instance [javax.crypto.Cipher@6a68ccea].