From fd944d646d762b0bf4eb2639524ddf68fdfb7033 Mon Sep 17 00:00:00 2001
From: Edison Su <edison@cloud.com>
Date: Mon, 31 Jan 2011 16:04:50 -0500
Subject: [PATCH] sychronized migrate command, happened see that migrating
 failed, due to conflict in vnc port allocation

---
 .../agent/resource/computing/LibvirtComputingResource.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java b/agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java
index 9de02fd6119..71cd9a168d5 100644
--- a/agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java
+++ b/agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java
@@ -1591,7 +1591,7 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
         return command.execute();
     }
     
-	private Answer execute(MigrateCommand cmd) {
+	private synchronized Answer execute(MigrateCommand cmd) {
 		String vmName = cmd.getVmName();
     	
 		State state = null;