JBOSS-EAP 8 resolving urlContext as null for LDAP Domains

Issue

• Application code resolves urlContext as null when using DnsContextFactory to search for LDAP domains.
• JBOSS-EAP 8 with SPNEGO and Kerberos does not resolve urlContext for LDAP Domains in SRV records.

2024-08-27 14:08:22,572 TRACE [org.wildfly.security] (default task-1) SPNEGO: org.wildfly.security.http.HttpAuthenticationException: ELY05053: Callback handler failed for unknown reason
        at org.wildfly.security.elytron-base@2.2.6.Final-redhat-00001//org.wildfly.security.http.spnego.SpnegoAuthenticationMechanism.evaluateRequest(SpnegoAuthenticationMechanism.java:187)
        at org.wildfly.security.elytron-base@2.2.6.Final-redhat-00001//org.wildfly.security.http.util.SetMechanismInformationMechanismFactory$1.evaluateRequest(SetMechanismInformationMechanismFactory.java:119)
        at org.wildfly.security.elytron-base@2.2.6.Final-redhat-00001//org.wildfly.security.http.util.SocketAddressCallbackServerMechanismFactory$1.evaluateRequest(SocketAddressCallbackServerMechanismFactory.java:82)

Caused by: java.io.IOException: ELY01156: Cannot obtain a credential from a security factory
        at org.wildfly.security.elytron-base@2.2.6.Final-redhat-00001//org.wildfly.security.credential.source.CredentialSource$4.getCredential(CredentialSource.java:327)
        at org.wildfly.security.elytron-base@2.2.6.Final-redhat-00001//org.wildfly.security.auth.server.ServerAuthenticationContext$1.handleOne(ServerAuthenticationContext.java:1021)
        at org.wildfly.security.elytron-base@2.2.6.Final-redhat-00001//org.wildfly.security.auth.server.ServerAuthenticationContext$1.handle(ServerAuthenticationContext.java:873)
        at org.wildfly.security.elytron-base@2.2.6.Final-redhat-00001//org.wildfly.security.auth.server.SecurityIdentityServerMechanismFactory$SecurityIdentityCallbackHandler.handle(Security

Caused by: KrbException: Cannot locate KDC
        at java.security.jgss/sun.security.krb5.Config.getKDCList(Config.java:1275)
        at java.security.jgss/sun.security.krb5.KdcComm.send(KdcComm.java:217)
        at java.security.jgss/sun.security.krb5.KdcComm.send(KdcComm.java:199)
        at java.security.jgss/sun.security.krb5.KrbAsReqBuilder.send(KrbAsReqBuilder.java:345)
        at java.security.jgss/sun.security.krb5.KrbAsReqBuilder.action(KrbAsReqBuilder.java:498)
        at jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:761)
        ... 63 more
Caused by: KrbException: Generic error (description in e-text) (60) - Unable to locate KDC for realm TULLVERKET.SE
        at java.security.jgss/sun.security.krb5.Config.getKDCFromDNS(Config.java:1372)
        at java.security.jgss/sun.security.krb5.Config.getKDCList(Config.java:1248)