#Version
- CAS 6.2.5
- JDK 11

I am new to CAS. Now I'm trying to store all the user credentials in mysql. 
Below is what I have configure in *application.properties*:

#cas.authn.accept.users=casuser::Mellon
#cas.authn.accept.name=Static Credentials

cas.authn.jdbc.query[0].user=root
cas.authn.jdbc.query[0].password=123456
cas.authn.jdbc.query[0].driver-class=com.mysql.cj.jdbc.Driver
cas.authn.jdbc.query[0].url=jdbc:mysql://127.0.0.1:3306/cas?useUnicode=true&characterEncoding=UTF-8
cas.authn.jdbc.query[0].dialect=org.hibernate.dialect.MySQLDialect

cas.authn.jdbc.query[0].sql=select * from user_info where username=?
cas.authn.jdbc.query[0].field-password=password

in *build.gradle*
dependencies {
    implementation 
"org.apereo.cas:cas-server-support-jdbc:${project.'cas.version'}"
}

However, I got this error when filling up the login form:
2020-11-30 07:21:27,694 ERROR 
[org.apereo.cas.authentication.PolicyBasedAuthenticationManager] - 
<Authentication has failed. Credentials may be incorrect or CAS cannot find 
authentication handler that supports 
[UsernamePasswordCredential(username=yaptest, source=null, 
customFields={})] of type [UsernamePasswordCredential]. Examine the 
configuration to ensure a method of authentication is defined and analyze 
CAS logs at DEBUG level to trace the authentication event.>

2020-11-30 07:21:27,694 ERROR 
[org.apereo.cas.authentication.PolicyBasedAuthenticationManager] - 
<[QueryDatabaseAuthenticationHandler]: [SQL exception while executing query 
for yaptest / Failed to obtain JDBC Connection; nested exception is 
java.sql.SQLException: Access denied for user 'root'@'localhost']>

I'm pretty sure the credential for root account is correct.



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