From 22e729cc0b3d17bbee99597bdedb6a7ee571d29d Mon Sep 17 00:00:00 2001
From: Akbashev Alexander <mr.akbashev@gmail.com>
Date: Fri, 10 Mar 2017 11:52:49 +0100
Subject: [PATCH] [JENKINS-42585] - Replace Hashtable by more efficient
 ConcurrentHashMap (#2769)

---
 core/src/main/java/hudson/PluginManager.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/core/src/main/java/hudson/PluginManager.java b/core/src/main/java/hudson/PluginManager.java
index c793cef01b..25c1b78d98 100644
--- a/core/src/main/java/hudson/PluginManager.java
+++ b/core/src/main/java/hudson/PluginManager.java
@@ -117,7 +117,6 @@ import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.List;
@@ -1952,7 +1951,7 @@ public abstract class PluginManager extends AbstractModelObject implements OnMas
      * Stores {@link Plugin} instances.
      */
     /*package*/ static final class PluginInstanceStore {
-        final Map<PluginWrapper,Plugin> store = new Hashtable<PluginWrapper,Plugin>();
+        final Map<PluginWrapper,Plugin> store = new ConcurrentHashMap<PluginWrapper,Plugin>();
     }
 
     /**
-- 
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