From 6c6d101e9fbd607a5136412fc762950c8b7cb91b Mon Sep 17 00:00:00 2001
From: Vojtech Juranek <vjuranek@redhat.com>
Date: Mon, 2 Apr 2012 09:42:38 +0200
Subject: [PATCH] If we re-create actions each time, we should recreate also
 the list. List has to be thread safe.

---
 core/src/main/java/hudson/model/AbstractBuild.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/hudson/model/AbstractBuild.java b/core/src/main/java/hudson/model/AbstractBuild.java
index 28d441f772..a61f50ba7a 100644
--- a/core/src/main/java/hudson/model/AbstractBuild.java
+++ b/core/src/main/java/hudson/model/AbstractBuild.java
@@ -88,6 +88,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.Vector;
+import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -897,7 +898,7 @@ public abstract class AbstractBuild<P extends AbstractProject<P,R>,R extends Abs
 
     @Override
     public List<Action> getActions() {
-        List<Action> actions = super.getActions();
+        List<Action> actions = new CopyOnWriteArrayList<Action>(super.getActions());
         actions.addAll(createTransientActions());
         return actions;
     }
-- 
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