Added a couple of guards and warnings to the MapImage/MapImageServiceModule.

1 files changed, 12 insertions, 2 deletions

diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/MapImage/MapImageServiceModule.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/MapImage/MapImageServiceModule.cs
index ee90859..e224670 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectorsOut/MapImage/MapImageServiceModule.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/MapImage/MapImageServiceModule.cs
@@ -112,6 +112,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.MapImage
 
             Object[] args = new Object[] { source };
             m_MapService = ServerUtils.LoadPlugin<IMapImageService>(service, args);
+            if (m_MapService == null)
+            {
+                m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: Unable to load LocalServiceModule from {0}. MapService module disabled. Please fix the configuration.", service);
+                return;
+            }
 
             m_refreshTimer.Enabled = true;
             m_refreshTimer.AutoReset = true;
@@ -202,7 +207,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.MapImage
         {
             m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: upload maptile for {0}", scene.RegionInfo.RegionName);
 
-            // Create a PNG map tile and upload it to the AddMapTile API
+            // Create a JPG map tile and upload it to the AddMapTile API
             byte[] jpgData = Utils.EmptyBytes;
             IMapImageGenerator tileGenerator = scene.RequestModuleInterface<IMapImageGenerator>();
             if (tileGenerator == null)
@@ -220,13 +225,18 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.MapImage
                 }
             }
 
+            if (jpgData == Utils.EmptyBytes)
+            {
+                m_log.WarnFormat("[MAP IMAGE SERVICE MODULE]: Tile image generation failed");
+                return;
+            }
+
             string reason = string.Empty;
             if (!m_MapService.AddMapTile((int)scene.RegionInfo.RegionLocX, (int)scene.RegionInfo.RegionLocY, jpgData, out reason))
             {
                 m_log.DebugFormat("[MAP IMAGE SERVICE MODULE]: Unable to upload tile image for {0} at {1}-{2}: {3}",
                     scene.RegionInfo.RegionName, scene.RegionInfo.RegionLocX, scene.RegionInfo.RegionLocY, reason);
             }
-
         }
     }
 }
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