Reapply "Gjoranv/allow duplicate bundles"

This reverts commit 2ef1e922a1d845b3cd79e9fb329925e7e9896919.

1 files changed, 3 insertions, 0 deletions

diff --git a/jdisc_core/src/main/java/com/yahoo/jdisc/core/BundleCollisionHook.java b/jdisc_core/src/main/java/com/yahoo/jdisc/core/BundleCollisionHook.java
index 58ad5df9b0d..ae1c81195ce 100644
--- a/jdisc_core/src/main/java/com/yahoo/jdisc/core/BundleCollisionHook.java
+++ b/jdisc_core/src/main/java/com/yahoo/jdisc/core/BundleCollisionHook.java
@@ -15,6 +15,7 @@ import java.util.HashSet;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
+import java.util.logging.Logger;
 
 /**
  * A bundle {@link CollisionHook} that contains a set of bundles that are allowed to collide with
@@ -26,6 +27,7 @@ import java.util.Set;
  * @author gjoranv
  */
 public class BundleCollisionHook implements CollisionHook, EventHook, FindHook {
+    private static Logger log = Logger.getLogger(BundleCollisionHook.class.getName());
 
     private ServiceRegistration<?> registration;
     private Map<Bundle, BsnVersion> allowedDuplicates = new HashMap<>(5);
@@ -105,6 +107,7 @@ public class BundleCollisionHook implements CollisionHook, EventHook, FindHook {
                 }
             }
         }
+        log.info("Hiding bundles from bundle '" + context.getBundle() + "': " + bundlesToHide);
         bundles.removeAll(bundlesToHide);
     }