--- plugins/spring-security-acl-1.1/grails-app/services/org/grails/plugins/springsecurity/service/acl/AclService.groovy	2011-02-16 17:43:30.000000000 +0500
+++ AclService.groovy	2012-05-13 11:55:32.440847487 +0600
@@ -14,8 +14,8 @@
  */
 package org.grails.plugins.springsecurity.service.acl
 
-import org.apache.log4j.Level
-import org.apache.log4j.Logger
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
 
 import org.codehaus.groovy.grails.plugins.springsecurity.acl.AclClass
 import org.codehaus.groovy.grails.plugins.springsecurity.acl.AclEntry
@@ -48,7 +48,7 @@
  */
 class AclService implements MutableAclService {
 
-	private final Logger log = Logger.getLogger(getClass())
+	private final Logger log = LoggerFactory.getLogger(getClass())
 
 	// individual methods are @Transactional since NotFoundException
 	// is a runtime exception and will cause an unwanted transaction rollback
@@ -316,7 +316,7 @@
 	protected save(bean) {
 		bean.validate()
 		if (bean.hasErrors()) {
-			if (log.isEnabledFor(Level.WARN)) {
+			if (log.isWarnEnabled()) {
 				def message = new StringBuilder(
 						"problem creating ${bean.getClass().simpleName}: $bean")
 				def locale = Locale.getDefault()