Using special chars in uid makes problem

I am trying to upgrade from version 20 to 21 and hit problem, when creating ldap items with special characters, ApacheDS fails. In version 20 the same entries were created seamlessly.

14:27:42,723 DEBUG [org.jboss.eapqe.krbldap.servers.ldap.LdapServer] (main) Adding entry: o=LdapLoginModuleSpecialNamesTestCasebb08edb7,o=primary,dc=jboss,dc=org
14:27:42,756 DEBUG [org.jboss.eapqe.krbldap.servers.ldap.LdapServer] (main) Adding entry: ou=People,o=LdapLoginModuleSpecialNamesTestCasebb08edb7,o=primary,dc=jboss,dc=org
14:27:42,862 DEBUG [org.jboss.eapqe.krbldap.servers.ldap.LdapServer] (main) Adding entry: ou=Roles,o=LdapLoginModuleSpecialNamesTestCasebb08edb7,o=primary,dc=jboss,dc=org
14:27:42,977 DEBUG [org.jboss.eapqe.krbldap.servers.ldap.LdapServer] (main) Adding entry: uid=jduke,ou=People,o=LdapLoginModuleSpecialNamesTestCasebb08edb7,o=primary,dc=jboss,dc=org
14:27:43,080 DEBUG [org.jboss.eapqe.krbldap.servers.ldap.LdapServer] (main) Adding entry: uid=Sue\, Grabbit and Runn,ou=People,o=LdapLoginModuleSpecialNamesTestCasebb08edb7,o=primary,dc=jboss,dc=org
14:27:43,162 DEBUG [org.jboss.eapqe.krbldap.servers.ldap.LdapServer] (main) Adding entry: uid=Before\0DAfter,ou=People,o=LdapLoginModuleSpecialNamesTestCasebb08edb7,o=primary,dc=jboss,dc=org
14:27:43,163 WARN [org.apache.directory.server.core.normalization.NormalizationInterceptor] (pool-7-thread-1) The Rdn 'uid=Before\0DAfter' is not present in the entry
14:27:43,255 DEBUG [org.jboss.eapqe.krbldap.servers.ldap.LdapServer] (main) Adding entry: uid=#4869,ou=People,o=LdapLoginModuleSpecialNamesTestCasebb08edb7,o=primary,dc=jboss,dc=org
14:27:43,256 ERROR [org.apache.directory.api.ldap.model.entry.AbstractValue] (pool-7-thread-1) The 'uid' AttributeType and values must both be String or binary
14:27:43,257 WARN [org.apache.directory.api.ldap.model.entry.DefaultEntry] (pool-7-thread-1) The Dn 'uid=#4869,ou=People,o=LdapLoginModuleSpecialNamesTestCasebb08edb7,o=primary,dc=jboss,dc=org' cannot be normalized
14:27:43,258 WARN [org.apache.directory.server.core.normalization.NormalizationInterceptor] (pool-7-thread-1) The Rdn 'uid=Hi' is not present in the entry
14:27:43,258 WARN [org.apache.directory.api.ldap.model.entry.DefaultAttribute] (pool-7-thread-1) ERR_04486_VALUE_ALREADY_EXISTS The value 'Hi' already exists in the attribute (uid)