Improve render load error handling

core/src/main/java/com/seibel/distanthorizons/core/render/QuadTree/LodRenderSection.java

@@ -164,10 +164,7 @@ public class LodRenderSection implements IDebugRenderable, AutoCloseable
 			return false;
 		}
 		
-		try
-		{
 		CompletableFuture<Void> future = new CompletableFuture<>();
-			this.getAndBuildRenderDataFuture = future;
 		future.handle((voidObj, throwable) ->
 		{
 			// the task is done, we don't need to track these anymore
@@ -177,7 +174,12 @@ public class LodRenderSection implements IDebugRenderable, AutoCloseable
 			return null;
 		});
 		
+		try
+		{
+			this.getAndBuildRenderDataFuture = future;
 			this.getAndBuildRenderDataRunnable = () ->
+			{
+				try
 				{
 					this.refreshActiveBeaconList();
 					
@@ -194,6 +196,12 @@ public class LodRenderSection implements IDebugRenderable, AutoCloseable
 							// the future is passed in separately (IE not using the local var) to prevent any possible race condition null pointers
 							future.complete(null);
 						});
+				}
+				catch (Exception e)
+				{
+					LOGGER.error("Unexpected issue creating render data for pos: ["+DhSectionPos.toString(this.pos)+"], error: ["+e.getMessage()+"].", e);
+					future.complete(null);
+				}
 			};
 			executor.execute(this.getAndBuildRenderDataRunnable);
 			
@@ -201,7 +209,7 @@ public class LodRenderSection implements IDebugRenderable, AutoCloseable
 		}
 		catch (RejectedExecutionException ignore)
 		{
-			this.getAndBuildRenderDataFuture.complete(null);
+			future.complete(null);
 			
 			/* the thread pool was probably shut down because it's size is being changed, just wait a sec and it should be back */
 			return false;