The problem occur when it try to connect to ldap and finally failed to start. for example i defined 192.168.250.71 as ldapUrl but it try to connect to localhost!
Jul 30 20:58:38 SSO1 server[10311]: 2020-07-30 20:58:38,797 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection factory for [ldap://localhost:389]>
Jul 30 20:58:38 SSO1 server[10311]: 2020-07-30 20:58:38,797 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection configuration for [ldap://localhost:389]>
Jul 30 20:58:38 SSO1 server[10311]: 2020-07-30 20:58:38,798 DEBUG [org.apereo.cas.util.LdapUtils] - <Transformed LDAP urls from [ldap://localhost:389] to [ldap://localhost:389]>
Jul 30 20:58:38 SSO1 server[10311]: 2020-07-30 20:58:38,798 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP SSL configuration via the native JVM truststore>
Jul 30 20:58:38 SSO1 server[10311]: 2020-07-30 20:58:38,798 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection pool configuration for [ldap://localhost:389]>
Jul 30 20:58:38 SSO1 server[10311]: 2020-07-30 20:58:38,799 WARN [org.apereo.cas.util.LdapUtils] - <No [BIND] passivator could be created for [ldap://localhost:389] given bind credentials are not specified>
Jul 30 20:58:38 SSO1 server[10311]: 2020-07-30 20:58:38,799 DEBUG [org.apereo.cas.util.LdapUtils] - <Initializing ldap connection pool for [ldap://localhost:389] and bindDn [null]>
Jul 30 20:58:38 SSO1 server[10311]: 2020-07-30 20:58:38,872 ERROR [org.ldaptive.pool.BlockingConnectionPool] - <[org.ldaptive.pool.BlockingConnectionPool@1048947778::name=null, poolConfig=[org.ldaptive.pool.PoolConfig@562606106::minPoolSize=3, maxPoolSize=10, validateOnCheckIn=false, validateOnCheckOut=true, validatePeriodically=true, validatePeriod=PT5M, validateTimeout=PT5S], activator=null, passivator=null, validator=[org.ldaptive.pool.SearchValidator@432073790::searchRequest=[org.ldaptive.SearchRequest@-1800458700::baseDn=, searchFilter=[org.ldaptive.SearchFilter@1642584434::filter=(objectClass=*), parameters={}], returnAttributes=[1.1], searchScope=OBJECT, timeLimit=PT0S, sizeLimit=1, derefAliases=null, typesOnly=false, binaryAttributes=null, sortBehavior=UNORDERED, searchEntryHandlers=null, searchReferenceHandlers=[org.ldaptive.referral.SearchReferralHandler$SearchReferenceHandler@4a664d6], controls=null, referralHandler=org.ldaptive.referral.SearchReferralHandler@6d01e679, intermediateResponseHandlers=null]] pruneStrategy=[org.ldaptive.pool.IdlePruneStrategy@1513537499::prunePeriod=PT2H, idleTime=PT10M], connectOnCreate=true, connectionFactory=[org.ldaptive.DefaultConnectionFactory@1545585902::provider=org.ldaptive.provider.jndi.JndiProvider@5d097df4, config=[org.ldaptive.ConnectionConfig@1062824450::ldapUrl=ldap://localhost:389, connectTimeout=PT5S, responseTimeout=PT5S, sslConfig=[org.ldaptive.ssl.SslConfig@1358873173::credentialConfig=null, trustManagers=null, hostnameVerifier=null, hostnameVerifierConfig=null, enabledCipherSuites=null, enabledProtocols=null, handshakeCompletedListeners=null], useSSL=true, useStartTLS=false, connectionInitializer=null, connectionStrategy=org.ldaptive.DefaultConnectionStrategy@72644410]], initialized=false, availableCount=0, activeCount=0] unable to connect to the ldap>
Jul 30 20:58:38 SSO1 server[10311]: org.ldaptive.provider.ConnectionException: javax.naming.CommunicationException: localhost:389 [Root exception is java.net.ConnectException: Connection refused (Connection refused)]
but before this error CAS try to create LDAP connection factory to 192.168.250.71. here is logs:
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,703 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating authenticated authenticator for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,704 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection factory for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,704 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection configuration for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,708 DEBUG [org.apereo.cas.util.LdapUtils] - <Transformed LDAP urls from [ldap://
192.168.250.71:389] to [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,708 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP SSL configuration via the native JVM truststore>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,710 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP bind connection initializer via [cn=manager,dc=uast,dc=ac,dc=ir]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,723 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection pool configuration for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,743 DEBUG [org.apereo.cas.util.LdapUtils] - <Initializing ldap connection pool for [ldap://
192.168.250.71:389] and bindDn [cn=manager,dc=uast,dc=ac,dc=ir]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,751 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection factory for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,751 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection configuration for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,751 DEBUG [org.apereo.cas.util.LdapUtils] - <Transformed LDAP urls from [ldap://
192.168.250.71:389] to [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,752 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP SSL configuration via the native JVM truststore>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,752 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP bind connection initializer via [cn=manager,dc=uast,dc=ac,dc=ir]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,752 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection pool configuration for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,753 DEBUG [org.apereo.cas.util.LdapUtils] - <Initializing ldap connection pool for [ldap://
192.168.250.71:389] and bindDn [cn=manager,dc=uast,dc=ac,dc=ir]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,764 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection factory for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,764 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection configuration for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,765 DEBUG [org.apereo.cas.util.LdapUtils] - <Transformed LDAP urls from [ldap://
192.168.250.71:389] to [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,765 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP SSL configuration via the native JVM truststore>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,765 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP bind connection initializer via [cn=manager,dc=uast,dc=ac,dc=ir]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,766 DEBUG [org.apereo.cas.util.LdapUtils] - <Creating LDAP connection pool configuration for [ldap://
192.168.250.71:389]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,766 DEBUG [org.apereo.cas.util.LdapUtils] - <Initializing ldap connection pool for [ldap://
192.168.250.71:389] and bindDn [cn=manager,dc=uast,dc=ac,dc=ir]>
Jul 30 20:58:24 SSO1 server[10311]: 2020-07-30 20:58:24,862 WARN [org.apereo.cas.support.pac4j.config.support.authentication.Pac4jAuthenticationEventExecutionPlanConfiguration] - <No delegated authentication clients are defined/configured>
CAS version is 5.2.2 . it works with this same version that was built two years ago. I know something has been updated on CAS code for ldaptive poolPassivator.