3 files changed, 11 insertions, 2 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/J2KImage.cs b/OpenSim/Region/ClientStack/Linden/UDP/J2KImage.cs
index a168bfe..4d0568d 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/J2KImage.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/J2KImage.cs
@@ -421,7 +421,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 // foreign user is visiting, we need to try again after the first fail to the local
                 // asset service.
                 string assetServerURL = string.Empty;
-                if (InventoryAccessModule.IsForeignUser(AgentID, out assetServerURL))
+                if (InventoryAccessModule.IsForeignUser(AgentID, out assetServerURL) && !string.IsNullOrEmpty(assetServerURL))
                 {
                     if (!assetServerURL.EndsWith("/") && !assetServerURL.EndsWith("="))
                         assetServerURL = assetServerURL + "/";
diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGAssetMapper.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGAssetMapper.cs
index 7871eda..144895c 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGAssetMapper.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGAssetMapper.cs
@@ -73,6 +73,9 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
 
         private AssetMetadata FetchMetadata(string url, UUID assetID)
         {
+            if (string.IsNullOrEmpty(url))
+                return null;
+
             if (!url.EndsWith("/") && !url.EndsWith("="))
                 url = url + "/";
 
@@ -92,6 +95,9 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
             AssetBase asset = m_scene.AssetService.Get(assetID.ToString());
             if (asset == null)
             {
+                if (string.IsNullOrEmpty(url))
+                    return null;
+
                 if (!url.EndsWith("/") && !url.EndsWith("="))
                     url = url + "/";
 
@@ -109,6 +115,9 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
 
         public bool PostAsset(string url, AssetBase asset)
         {
+            if (string.IsNullOrEmpty(url))
+                return false;
+
             if (asset != null)
             {
                 if (!url.EndsWith("/") && !url.EndsWith("="))
diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
index b2b628d..64d5f61 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
@@ -297,7 +297,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
                 if (m_Scene.TryGetScenePresence(userID, out sp))
                 {
                     AgentCircuitData aCircuit = m_Scene.AuthenticateHandler.GetAgentCircuitData(sp.ControllingClient.CircuitCode);
-                    if (aCircuit.ServiceURLs.ContainsKey("AssetServerURI"))
+                    if (aCircuit != null && aCircuit.ServiceURLs != null && aCircuit.ServiceURLs.ContainsKey("AssetServerURI"))
                     {
                         assetServerURL = aCircuit.ServiceURLs["AssetServerURI"].ToString();
                         assetServerURL = assetServerURL.Trim(new char[] { '/' });