diff -r dbf7c271d2c8 openide.util.lookup/src/org/openide/util/lookup/AbstractLookup.java
--- a/openide.util.lookup/src/org/openide/util/lookup/AbstractLookup.java	Sat Aug 15 05:22:50 2015 +0200
+++ b/openide.util.lookup/src/org/openide/util/lookup/AbstractLookup.java	Sat Aug 15 13:43:35 2015 +0200
@@ -759,7 +759,15 @@
     }
 
     private static ReferenceQueue<Object> activeQueue() {
-        return ActiveQueue.queue();
+        try {
+            Class activeQueueClass = ClassLoader.getSystemClassLoader().loadClass("org.openide.util.lookup.implspi.ActiveQueue");
+            java.lang.reflect.Method activeMethod = activeQueueClass.getDeclaredMethod("queue", (Class[]) null);
+            return (ReferenceQueue<Object>) activeMethod.invoke(null, (Object[]) null);
+            } catch (Exception ex) {
+                System.err.println("ARQ failed");
+                Thread.dumpStack();
+                return ActiveQueue.queue();
+            }
     }
 
     /** Storage to keep the internal structure of Pairs and to answer
diff -r dbf7c271d2c8 openide.util/src/org/openide/util/BaseUtilities.java
--- a/openide.util/src/org/openide/util/BaseUtilities.java	Sat Aug 15 05:22:50 2015 +0200
+++ b/openide.util/src/org/openide/util/BaseUtilities.java	Sat Aug 15 13:43:35 2015 +0200
@@ -47,6 +47,7 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.lang.ref.ReferenceQueue;
+import java.lang.reflect.Method;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.URL;
@@ -226,7 +227,15 @@
      * @since 3.11
      */
     public static ReferenceQueue<Object> activeReferenceQueue() {
-        return ActiveQueue.queue();
+        try {
+            Class activeQueueClass = ClassLoader.getSystemClassLoader().loadClass("org.openide.util.lookup.implspi.ActiveQueue");
+            Method activeMethod = activeQueueClass.getDeclaredMethod("queue", (Class[]) null);
+            return (ReferenceQueue<Object>) activeMethod.invoke(null, (Object[]) null);
+        } catch (Exception ex) {
+            System.err.println("ARQ failed");
+            Thread.dumpStack();
+            return ActiveQueue.queue();
+        }
     }
 
     /** Get the operating system on which NetBeans is running.