The bind Credential are being logged:

2015-03-19 19:33:28,569 TRACE [org.jboss.security.auth.spi.AbstractServerLoginModule] (http-localhost/127.0.0.1:8080-1) Logging into LDAP server, env={baseFilter=(userPrincipalName=

), java.naming.security.credentials=***, jboss.security.security_domain=SPNEGO, java.naming.ldap.attributes.binary=objectSid, password-stacking=useFirstPass, recurseRoles=false, java.naming.security.authentication=simple, baseCtxDN=DC=example,DC=com, roleAttributeIsDN=true, rolesCtxDN=DC=example,DC=com, java.naming.security.principal=bindUser, allowEmptyPassword=true, java.naming.factory.initial=com.sun.jndi.ldap.LdapCtxFactory, java.naming.provider.url=ldap://127.0.0.1:389, roleNameAttributeID=cn, roleAttributeID=memberOf, bindDN=bindUser, bindCredential=password}