209907 Deadlock, slow activation associated with org.eclipse.wst.server.core

plugins/org.eclipse.wst.server.core/servercore/org/eclipse/wst/server/core/internal/ResourceManager.java

diff --git a/plugins/org.eclipse.wst.server.core/servercore/org/eclipse/wst/server/core/internal/ResourceManager.java b/plugins/org.eclipse.wst.server.core/servercore/org/eclipse/wst/server/core/internal/ResourceManager.java
index 3b080e3..7a42139 100644
--- a/plugins/org.eclipse.wst.server.core/servercore/org/eclipse/wst/server/core/internal/ResourceManager.java
+++ b/plugins/org.eclipse.wst.server.core/servercore/org/eclipse/wst/server/core/internal/ResourceManager.java
@@ -245,10 +245,12 @@
 		return name.substring(index + 1);
 	}
 
-	public synchronized static ResourceManager getInstance() {
-		if (instance == null)
-			new ResourceManager();
-
+	public static ResourceManager getInstance() {
+		synchronized (ServerCore.class) {
+			if (instance == null)
+				new ResourceManager();
+		}
+		
 		return instance;
 	}