4383 [main] WARN org.apache.shiro.authc.AbstractAuthenticator - Authentication failed for token submission [org.apache.shiro.authc.UsernamePasswordToken - mark, rememberMe=true].  Possible unexpected error? (Typical or expected login exceptions should extend from AuthenticationException).

java.lang.IllegalStateException: Configuration error:  No realms have been configured!  One or more realms must be present to execute an authentication attempt.

at org.apache.shiro.authc.pam.ModularRealmAuthenticator.assertRealmsConfigured(ModularRealmAuthenticator.java:161)

at org.apache.shiro.authc.pam.ModularRealmAuthenticator.doAuthenticate(ModularRealmAuthenticator.java:264)

at org.apache.shiro.authc.AbstractAuthenticator.authenticate(AbstractAuthenticator.java:198)

at org.apache.shiro.mgt.AuthenticatingSecurityManager.authenticate(AuthenticatingSecurityManager.java:106)

subject.login(token);//这一行报错