Regression: Legacy Ldap Realm securing EJB with JDK8 not working

javax.naming.NamingException: WFLYNAM0027: Failed instantiate InitialContextFactory com.sun.jndi.ldap.LdapCtxFactory from classloader ModuleClassLoader for Module "org.wildfly.extension.io" version 12.0.0.Beta1 from local module loader @5f2108b5 (finder: local module finder @31a5c39e (roots: /home/rmartinc/wildfly-20.0.0.Beta1-SNAPSHOT/modules,/home/rmartinc/wildfly-20.0.0.Beta1-SNAPSHOT/modules/system/layers/base)) [Root exception is java.lang.ClassNotFoundException: com.sun.jndi.ldap.LdapCtxFactory from [Module "org.wildfly.extension.io" version 12.0.0.Beta1 from local module loader @5f2108b5 (finder: local module finder @31a5c39e (roots: /home/rmartinc/wildfly-20.0.0.Beta1-SNAPSHOT/modules,/home/rmartinc/wildfly-20.0.0.Beta1-SNAPSHOT/modules/system/layers/base))]]
 	at org.jboss.as.naming.InitialContext.getDefaultInitCtx(InitialContext.java:120)
 	at org.jboss.as.naming.InitialContext.init(InitialContext.java:101)
 	at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:154)
 	at org.jboss.as.naming.InitialContext.<init>(InitialContext.java:91)
 	at org.jboss.as.naming.InitialContextFactory.getInitialContext(InitialContextFactory.java:43)
 	at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684)
 	at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:313)
 	at javax.naming.InitialContext.init(InitialContext.java:244)
 	at javax.naming.InitialContext.<init>(InitialContext.java:216)
 	at javax.naming.directory.InitialDirContext.<init>(InitialDirContext.java:101)
 	at org.jboss.as.domain.management.connections.ldap.LdapConnectionManagerService.getConnection(LdapConnectionManagerService.java:272)
 	at org.jboss.as.domain.management.connections.ldap.LdapConnectionManagerService.getConnection(LdapConnectionManagerService.java:184)
 	at org.jboss.as.domain.management.connections.ldap.LdapConnectionManagerService.getConnection(LdapConnectionManagerService.java:180)
 	at org.jboss.as.domain.management.security.LdapConnectionHandler.getConnection(LdapConnectionHandler.java:78)
 	at org.jboss.as.domain.management.security.LdapUserSearcherFactory$LdapUserSearcherImpl.search(LdapUserSearcherFactory.java:125)
 	at org.jboss.as.domain.management.security.LdapUserSearcherFactory$LdapUserSearcherImpl.search(LdapUserSearcherFactory.java:66)
 	at org.jboss.as.domain.management.security.LdapCacheService$NoCacheCache.search(LdapCacheService.java:232)
 	at org.jboss.as.domain.management.security.UserLdapCallbackHandler$SecurityRealmImpl.getRealmIdentity(UserLdapCallbackHandler.java:339)
 	at org.jboss.as.domain.management.security.SecurityRealmService$SharedStateSecurityRealm.getRealmIdentity(SecurityRealmService.java:776)
 	at org.wildfly.security.auth.server.ServerAuthenticationContext.assignName(ServerAuthenticationContext.java:1197)
 	at org.wildfly.security.auth.server.ServerAuthenticationContext$UnassignedState.setPrincipal(ServerAuthenticationContext.java:1726)
 	at org.wildfly.security.auth.server.ServerAuthenticationContext.setAuthenticationPrincipal(ServerAuthenticationContext.java:410)
 	at org.wildfly.security.auth.server.ServerAuthenticationContext.setAuthenticationName(ServerAuthenticationContext.java:384)
 	at org.wildfly.security.auth.server.ServerAuthenticationContext.setAuthenticationName(ServerAuthenticationContext.java:368)
 	at org.wildfly.security.auth.server.ServerAuthenticationContext$1.handleOne(ServerAuthenticationContext.java:912)
 	at org.wildfly.security.auth.server.ServerAuthenticationContext$1.handle(ServerAuthenticationContext.java:853)
 	at org.wildfly.security.auth.callback.SocketAddressQueryCallbackHandler.handle(SocketAddressQueryCallbackHandler.java:57)
 	at org.wildfly.security.sasl.util.TrustManagerSaslServerFactory.lambda$createSaslServer$0(TrustManagerSaslServerFactory.java:105)
 	at org.wildfly.security.sasl.plain.PlainSaslServer.evaluateResponse(PlainSaslServer.java:118)
 	at org.wildfly.security.sasl.util.AuthenticationCompleteCallbackSaslServerFactory$1.evaluateResponse(AuthenticationCompleteCallbackSaslServerFactory.java:58)
 	at org.wildfly.security.sasl.util.AuthenticationTimeoutSaslServerFactory$DelegatingTimeoutSaslServer.evaluateResponse(AuthenticationTimeoutSaslServerFactory.java:110)
 	at org.wildfly.security.sasl.util.SecurityIdentitySaslServerFactory$1.evaluateResponse(SecurityIdentitySaslServerFactory.java:59)
 	at org.xnio.sasl.SaslUtils.evaluateResponse(SaslUtils.java:245)
 	at org.xnio.sasl.SaslUtils.evaluateResponse(SaslUtils.java:217)
 	at org.jboss.remoting3.remote.ServerConnectionOpenListener$AuthStepRunnable.run(ServerConnectionOpenListener.java:484)
 	at org.jboss.remoting3.EndpointImpl$TrackingExecutor.lambda$execute$0(EndpointImpl.java:991)
 	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
 	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1348)
 	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: com.sun.jndi.ldap.LdapCtxFactory from [Module "org.wildfly.extension.io" version 12.0.0.Beta1 from local module loader @5f2108b5 (finder: local module finder @31a5c39e (roots: /home/rmartinc/wildfly-20.0.0.Beta1-SNAPSHOT/modules,/home/rmartinc/wildfly-20.0.0.Beta1-SNAPSHOT/modules/system/layers/base))]
 	at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:255)
 	at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410)
 	at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
 	at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)
 	at java.lang.Class.forName0(Native Method)
 	at java.lang.Class.forName(Class.java:348)
 	at org.jboss.as.naming.InitialContext.getDefaultInitCtx(InitialContext.java:115)
 	... 40 more