I have a CAS instance with multiple authentication sources. One of those
is an LDAP server. If the LDAP server is not responding or down, the CAS
server will not start.
Is it possible to have CAS startup but continue to try to reconnect to the
LDAP server in the background. I want the other authentication sources to
continue to work.
The exception in the logs looks something like:
2019-07-25 11:12:11,555 ERROR [org.ldaptive.pool.BlockingConnectionPool] -
<[org.ldaptive.pool.BlockingConnectionPool@75185863::name=null,
poolConfig=[org.ldaptive.pool.PoolConfig@675323116::minPoolSize=3,
maxPoolSize=10, validateOnCheckIn=false, validateOnCheckOut=true,
validatePeriodically=true, validatePeriod=PT5M, validateTimeout=PT5S],
activator=null,
passivator=[org.ldaptive.pool.BindPassivator@849335549::bindRequest=[org.ldaptive.BindRequest@1538998317::bindDn=CN=acadmin,CN=Users,DC=SHTC,DC=com,
saslConfig=null, controls=null, referralHandler=null,
intermediateResponseHandlers=null]],
validator=[org.ldaptive.pool.SearchValidator@116117659::searchRequest=[org.ldaptive.SearchRequest@-443793180::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$SearchReferenceHandler@2ae08b56],
controls=null,
referralHandler=org.ldaptive.referral.SearchReferralHandler@3f986f6a,
intermediateResponseHandlers=null]]
pruneStrategy=[org.ldaptive.pool.IdlePruneStrategy@294447604::prunePeriod=PT2H,
idleTime=PT10M], connectOnCreate=true,
connectionFactory=[org.ldaptive.DefaultConnectionFactory@1401748428::provider=org.ldaptive.provider.jndi.JndiProvider@4c1c1ad5,
config=[org.ldaptive.ConnectionConfig@805555971::ldapUrl=ldap://XXX,
connectTimeout=PT5S, responseTimeout=PT5S,
sslConfig=[org.ldaptive.ssl.SslConfig@1177965502::credentialConfig=null,
trustManagers=null,
hostnameVerifier=org.ldaptive.ssl.DefaultHostnameVerifier@7250922f,
hostnameVerifierConfig=null, enabledCipherSuites=null,
enabledProtocols=null, handshakeCompletedListeners=null], useSSL=false,
useStartTLS=false,
connectionInitializer=[org.ldaptive.BindConnectionInitializer@1580655618::bindDn=XXX,
bindSaslConfig=null, bindControls=null],
connectionStrategy=org.ldaptive.DefaultConnectionStrategy@70e35310]],
initialized=false, availableCount=0, activeCount=0] unable to connect to
the ldap>
org.ldaptive.provider.ConnectionException:
javax.naming.CommunicationException: sc-vmdc.shtc.com:389 [Root exception
is java.net.ConnectException: Connection refused: connect]
at
org.ldaptive.provider.jndi.JndiConnectionFactory.createInternal(JndiConnectionFactory.java:92)
~[ldaptive-1.2.4.jar!/:?]
at
org.ldaptive.provider.jndi.JndiConnectionFactory.createInternal(JndiConnectionFactory.java:21)
~[ldaptive-1.2.4.jar!/:?]
at
org.ldaptive.provider.AbstractProviderConnectionFactory.create(AbstractProviderConnectionFactory.java:84)
~[ldaptive-1.2.4.jar!/:?]
at
org.ldaptive.DefaultConnectionFactory$DefaultConnection.open(DefaultConnectionFactory.java:267)
~[ldaptive-1.2.4.jar!/:?]
at
org.ldaptive.pool.AbstractConnectionPool.createConnection(AbstractConnectionPool.java:455)
~[ldaptive-1.2.4.jar!/:?]
at
org.ldaptive.pool.AbstractConnectionPool.createAvailableConnection(AbstractConnectionPool.java:494)
~[ldaptive-1.2.4.jar!/:?]
at
org.ldaptive.pool.AbstractConnectionPool.grow(AbstractConnectionPool.java:344)
~[ldaptive-1.2.4.jar!/:?]
at
org.ldaptive.pool.AbstractConnectionPool.initialize(AbstractConnectionPool.java:253)
~[ldaptive-1.2.4.jar!/:?]
at
org.apereo.cas.util.LdapUtils.newLdaptiveBlockingConnectionPool(LdapUtils.java:978)
~[cas-server-support-ldap-core-5.3.9.jar!/:5.3.9]
at
org.apereo.cas.util.LdapUtils.newLdaptivePooledConnectionFactory(LdapUtils.java:733)
~[cas-server-support-ldap-core-5.3.9.jar!/:5.3.9]
at
org.apereo.cas.util.LdapUtils.getAuthenticatedOrAnonSearchAuthenticator(LdapUtils.java:659)
~[cas-server-support-ldap-core-5.3.9.jar!/:5.3.9]
at
org.apereo.cas.util.LdapUtils.newLdaptiveAuthenticator(LdapUtils.java:645)
~[cas-server-support-ldap-core-5.3.9.jar!/:5.3.9]
at
org.apereo.cas.config.LdapAuthenticationConfiguration.lambda$ldapAuthenticationHandlers$0(LdapAuthenticationConfiguration.java:98)
~[cas-server-support-ldap-5.3.9.jar!/:?]
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