Referral mode 'throw' for searching groups in legacy LDAP realm causes NPE -------------------------------------------------------------------------- Key: WFCORE-2853 URL: https://issues.jboss.org/browse/WFCORE-2853 Project: WildFly Core Issue Type: Bug Components: Domain Management, Security Affects Versions: 3.0.0.Beta21 Reporter: Ondrej Lukas Assignee: Jiri Ondrusek When referral mode 'throw' is configured for LDAP outbound connection which is used by legacy LDAP security realm and its groups are assigned through principal-to-group LDAP authorization then it finishes with NPE. It causes that Management Console returns status 500 when referral mode 'throw' is used for group searching user includes referral role. It can be reproduced by using configuration from [1] with referral mode 'throw'. Thrown exception on trace level: {code} TRACE [org.wildfly.security] (management task-1) BASIC: org.wildfly.security.http.HttpAuthenticationException: org.wildfly.security.http.HttpAuthenticationException: org.wildfly.security.auth.server.RealmUnavailableException: java.io.IOException: java.lang.NullPointerException at org.wildfly.security.http.impl.BasicAuthenticationMechanism.evaluateRequest(BasicAuthenticationMechanism.java:176) at org.wildfly.security.http.util.SetMechanismInformationMechanismFactory$1.evaluateRequest(SetMechanismInformationMechanismFactory.java:114) at org.wildfly.security.http.util.SecurityIdentityServerMechanismFactory$1.evaluateRequest(SecurityIdentityServerMechanismFactory.java:77) at org.wildfly.security.http.HttpAuthenticator$AuthenticationExchange.authenticate(HttpAuthenticator.java:115) at org.wildfly.security.http.HttpAuthenticator$AuthenticationExchange.access$100(HttpAuthenticator.java:94) at org.wildfly.security.http.HttpAuthenticator.authenticate(HttpAuthenticator.java:78) at org.wildfly.elytron.web.undertow.server.SecurityContextImpl.authenticate(SecurityContextImpl.java:100) at io.undertow.security.handlers.AuthenticationCallHandler.handleRequest(AuthenticationCallHandler.java:50) at io.undertow.server.Connectors.executeRootHandler(Connectors.java:211) at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:809) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: org.wildfly.security.http.HttpAuthenticationException: org.wildfly.security.auth.server.RealmUnavailableException: java.io.IOException: java.lang.NullPointerException at org.wildfly.security.http.impl.UsernamePasswordAuthenticationMechanism.authorize(UsernamePasswordAuthenticationMechanism.java:98) at org.wildfly.security.http.impl.BasicAuthenticationMechanism.evaluateRequest(BasicAuthenticationMechanism.java:154) ... 12 more Caused by: org.wildfly.security.auth.server.RealmUnavailableException: java.io.IOException: java.lang.NullPointerException at org.jboss.as.domain.management.security.LdapSubjectSupplementalService$SecurityRealmImpl$RealmIdentityImpl.getGroups(LdapSubjectSupplementalService.java:336) at org.jboss.as.domain.management.security.LdapSubjectSupplementalService$SecurityRealmImpl$RealmIdentityImpl.getAuthorizationIdentity(LdapSubjectSupplementalService.java:319) at org.wildfly.security.auth.realm.AggregateSecurityRealm$Identity.getAuthorizationIdentity(AggregateSecurityRealm.java:157) at org.wildfly.security.auth.server.ServerAuthenticationContext$NameAssignedState.doAuthorization(ServerAuthenticationContext.java:1797) at org.wildfly.security.auth.server.ServerAuthenticationContext$NameAssignedState.authorize(ServerAuthenticationContext.java:1826) at org.wildfly.security.auth.server.ServerAuthenticationContext.authorize(ServerAuthenticationContext.java:477) at org.wildfly.security.auth.server.ServerAuthenticationContext.authorize(ServerAuthenticationContext.java:472) at org.wildfly.security.auth.server.ServerAuthenticationContext$1.handleOne(ServerAuthenticationContext.java:757) at org.wildfly.security.auth.server.ServerAuthenticationContext$1.handle(ServerAuthenticationContext.java:735) at org.wildfly.security.http.util.SecurityIdentityServerMechanismFactory$SecurityIdentityCallbackHandler.handle(SecurityIdentityServerMechanismFactory.java:113) at org.wildfly.security.http.impl.UsernamePasswordAuthenticationMechanism.authorize(UsernamePasswordAuthenticationMechanism.java:92) ... 13 more Caused by: java.io.IOException: java.lang.NullPointerException at org.jboss.as.domain.management.security.LdapSubjectSupplementalService$LdapGroupSearcher.loadGroups(LdapSubjectSupplementalService.java:203) at org.jboss.as.domain.management.security.LdapSubjectSupplementalService$SecurityRealmImpl$RealmIdentityImpl.getGroups(LdapSubjectSupplementalService.java:334) ... 23 more Caused by: java.lang.NullPointerException at org.jboss.as.domain.management.security.LdapGroupSearcherFactory$PrincipalToGroupSearcher.search(LdapGroupSearcherFactory.java:315) at org.jboss.as.domain.management.security.LdapGroupSearcherFactory$PrincipalToGroupSearcher.search(LdapGroupSearcherFactory.java:221) at org.jboss.as.domain.management.security.LdapCacheService$NoCacheCache.search(LdapCacheService.java:225) at org.jboss.as.domain.management.security.LdapSubjectSupplementalService$LdapGroupSearcher.loadGroupEntries(LdapSubjectSupplementalService.java:250) at org.jboss.as.domain.management.security.LdapSubjectSupplementalService$LdapGroupSearcher.loadGroups(LdapSubjectSupplementalService.java:227) at org.jboss.as.domain.management.security.LdapSubjectSupplementalService$LdapGroupSearcher.loadGroups(LdapSubjectSupplementalService.java:220) at org.jboss.as.domain.management.security.LdapSubjectSupplementalService$LdapGroupSearcher.loadGroups(LdapSubjectSupplementalService.java:194) ... 24 more {code} [1] https://bugzilla.redhat.com/show_bug.cgi?id=1417272#c1