diff --git a/adapters/catalina/src/main/java/org/acegisecurity/adapters/catalina/CatalinaAcegiUserRealm.java b/adapters/catalina/src/main/java/org/acegisecurity/adapters/catalina/CatalinaAcegiUserRealm.java
index fd12ffa005..d79651245d 100644
--- a/adapters/catalina/src/main/java/org/acegisecurity/adapters/catalina/CatalinaAcegiUserRealm.java
+++ b/adapters/catalina/src/main/java/org/acegisecurity/adapters/catalina/CatalinaAcegiUserRealm.java
@@ -30,6 +30,8 @@ import org.apache.commons.logging.LogFactory;
 
 import org.springframework.context.support.FileSystemXmlApplicationContext;
 
+import org.springframework.core.io.ResourceLoader;
+
 import java.io.File;
 import java.io.IOException;
 
@@ -234,7 +236,7 @@ public class CatalinaAcegiUserRealm extends RealmBase {
         }
 
         FileSystemXmlApplicationContext ctx = new FileSystemXmlApplicationContext(
-                "file://" + xml.getAbsolutePath());
+                "file:" + xml.getAbsolutePath());
         Map beans = ctx.getBeansOfType(AuthenticationManager.class, true, true);
 
         if (beans.size() == 0) {