From 6922aa5986debe424585e800a6e67eb1980033c9 Mon Sep 17 00:00:00 2001
From: Andy Clement <andrew.clement@gmail.com>
Date: Wed, 29 May 2013 08:09:57 -0700
Subject: [PATCH] possible fix for issue #9

---
 .../loaded/agent/SpringLoadedPreProcessor.java       | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/org.springsource.loaded/src/main/java/org/springsource/loaded/agent/SpringLoadedPreProcessor.java b/org.springsource.loaded/src/main/java/org/springsource/loaded/agent/SpringLoadedPreProcessor.java
index 4594a18..8921935 100644
--- a/org.springsource.loaded/src/main/java/org/springsource/loaded/agent/SpringLoadedPreProcessor.java
+++ b/org.springsource.loaded/src/main/java/org/springsource/loaded/agent/SpringLoadedPreProcessor.java
@@ -550,10 +550,14 @@ public class SpringLoadedPreProcessor implements Constants {
 
 	public static List<IsReloadableTypePlugin> getIsReloadableTypePlugins() {
 		if (isReloadableTypePlugins == null) {
-			isReloadableTypePlugins = new ArrayList<IsReloadableTypePlugin>();
-			for (Plugin p : getGlobalPlugins()) {
-				if (p instanceof IsReloadableTypePlugin) {
-					isReloadableTypePlugins.add((IsReloadableTypePlugin) p);
+			synchronized (SpringLoadedPreProcessor.class) {
+				if (isReloadableTypePlugins == null) {
+					isReloadableTypePlugins = new ArrayList<IsReloadableTypePlugin>();
+					for (Plugin p : getGlobalPlugins()) {
+						if (p instanceof IsReloadableTypePlugin) {
+							isReloadableTypePlugins.add((IsReloadableTypePlugin) p);
+						}
+					}
 				}
 			}
 		}