Pass the exception converter through more.

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/DelegateEntity.java

@@ -44,4 +44,9 @@ public class DelegateEntity implements Entity {
     public <T> T getFacet(Class<? extends T> cls) {
         return parent.getFacet(cls);
     }
+
+	@Override
+	public boolean setLocation(Location location) {
+		return parent.setLocation(location);
+	}
 }

worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/HeightMapMCAGenerator.java

@@ -2286,4 +2286,10 @@ public class HeightMapMCAGenerator extends MCAWriter implements StreamChange, Dr
 		// TODO Auto-generated method stub
 		return false;
 	}
+
+	@Override
+	public BlockVector3 getSpawnPosition() {
+		// TODO Auto-generated method stub
+		return null;
+	}
 }

worldedit-core/src/main/java/com/boydti/fawe/jnbt/anvil/MCAWorld.java

@@ -127,4 +127,9 @@ public class MCAWorld implements SimpleWorld {
 		// TODO Auto-generated method stub
 		return false;
 	}
+
+	@Override
+	public BlockVector3 getSpawnPosition() {
+		return queue.getWEWorld().getSpawnPosition();
+	}
 }

worldedit-core/src/main/java/com/boydti/fawe/object/HistoryExtent.java

@@ -163,5 +163,10 @@ public class HistoryExtent extends AbstractDelegateExtent {
         public <T> T getFacet(final Class<? extends T> cls) {
             return this.entity.getFacet(cls);
         }
+
+		@Override
+		public boolean setLocation(Location location) {
+			return this.entity.setLocation(location);
+		}
     }
 }

worldedit-core/src/main/java/com/boydti/fawe/object/clipboard/FaweClipboard.java

@@ -161,5 +161,11 @@ public abstract class FaweClipboard {
         public Extent getExtent() {
             return world;
         }
+
+		@Override
+		public boolean setLocation(Location location) {
+			//Should not be teleporting this entity
+			return false;
+		}
     }
 }

worldedit-core/src/main/java/com/boydti/fawe/object/schematic/visualizer/SchemVis.java

@@ -640,4 +640,10 @@ public class SchemVis extends ImmutableVirtualWorld {
 		// TODO Auto-generated method stub
 		return false;
 	}
+
+	@Override
+	public BlockVector3 getSpawnPosition() {
+		// TODO Auto-generated method stub
+		return null;
+	}
 }

worldedit-core/src/main/java/com/boydti/fawe/wrappers/FakePlayer.java

@@ -304,4 +304,10 @@ public class FakePlayer extends AbstractPlayerActor {
             return true;
         }
     }
+
+	@Override
+	public boolean setLocation(Location location) {
+		this.pos = location;
+		return true;
+	}
 }

worldedit-core/src/main/java/com/boydti/fawe/wrappers/PlayerWrapper.java

@@ -420,4 +420,9 @@ public class PlayerWrapper extends AbstractPlayerActor {
     public File openFileSaveDialog(String[] extensions) {
         return parent.openFileSaveDialog(extensions);
     }
+
+	@Override
+	public boolean setLocation(Location location) {
+		return parent.setLocation(location);
+	}
 }

worldedit-core/src/main/java/com/boydti/fawe/wrappers/WorldWrapper.java

@@ -259,4 +259,9 @@ public class WorldWrapper extends AbstractWorld {
 	public boolean notifyAndLightBlock(BlockVector3 position, BlockState previousType) throws WorldEditException {
 		return parent.notifyAndLightBlock(position, previousType);
 	}
+
+	@Override
+	public BlockVector3 getSpawnPosition() {
+		return parent.getSpawnPosition();
+	}
 }

worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java

@@ -3604,4 +3604,9 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
 		return world.notifyAndLightBlock(position, previousType);
 	}
 
+	@Override
+	public BlockVector3 getSpawnPosition() {
+		return world.getSpawnPosition();
+	}
+
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/WorldEditCommands.java

@@ -203,7 +203,7 @@ public class WorldEditCommands {
     @CommandPermissions("worldedit.debugpaste")
     public void debugpaste(Actor actor) throws WorldEditException, IOException {
 //        BBC.DOWNLOAD_LINK.send(actor, HastebinUtility.debugPaste());
-    	ActorCallbackPaste.pastebin(we.getSupervisor(), actor, null, "FastAsyncWorldEdit report: " + BBC.DOWNLOAD_LINK);
+    	ActorCallbackPaste.pastebin(we.getSupervisor(), actor, null, "FastAsyncWorldEdit report: " + BBC.DOWNLOAD_LINK, WorldEdit.getInstance().getPlatformManager().getCommandManager().getExceptionConverter());
     }
 
     @Command(

worldedit-core/src/main/java/com/sk89q/worldedit/command/util/AsyncCommandHelper.java

@@ -24,6 +24,7 @@ import static com.google.common.base.Preconditions.checkNotNull;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.sk89q.worldedit.extension.platform.Actor;
+import com.sk89q.worldedit.util.command.parametric.ExceptionConverter;
 import com.sk89q.worldedit.util.task.FutureForwardingTask;
 import com.sk89q.worldedit.util.task.Supervisor;
 import com.sk89q.worldedit.world.World;
@@ -35,17 +36,20 @@ public class AsyncCommandHelper {
     private final ListenableFuture<?> future;
     private final Supervisor supervisor;
     private final Actor sender;
+    private final ExceptionConverter exceptionConverter;
     @Nullable
     private Object[] formatArgs;
 
-    private AsyncCommandHelper(ListenableFuture<?> future, Supervisor supervisor, Actor sender) {
+    private AsyncCommandHelper(ListenableFuture<?> future, Supervisor supervisor, Actor sender, ExceptionConverter exceptionConverter) {
         checkNotNull(future);
         checkNotNull(supervisor);
         checkNotNull(sender);
+        checkNotNull(exceptionConverter);
 
         this.future = future;
         this.supervisor = supervisor;
         this.sender = sender;
+        this.exceptionConverter = exceptionConverter;
     }
 
     public AsyncCommandHelper formatUsing(Object... args) {
@@ -78,6 +82,7 @@ public class AsyncCommandHelper {
         Futures.addCallback(
                 future,
                 new MessageFutureCallback.Builder(sender)
+                        .exceptionConverter(exceptionConverter)
                         .onSuccess(format(success))
                         .onFailure(format(failure))
                         .build());
@@ -89,6 +94,7 @@ public class AsyncCommandHelper {
         Futures.addCallback(
                 future,
                 new MessageFutureCallback.Builder(sender)
+                        .exceptionConverter(exceptionConverter)
                         .onFailure(format(failure))
                         .build());
         return this;
@@ -128,8 +134,8 @@ public class AsyncCommandHelper {
         return this;
     }
 
-    public static AsyncCommandHelper wrap(ListenableFuture<?> future, Supervisor supervisor, Actor sender) {
-        return new AsyncCommandHelper(future, supervisor, sender);
+    public static AsyncCommandHelper wrap(ListenableFuture<?> future, Supervisor supervisor, Actor sender, ExceptionConverter exceptionConverter) {
+        return new AsyncCommandHelper(future, supervisor, sender, exceptionConverter);
     }
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/util/paste/ActorCallbackPaste.java

@@ -24,6 +24,7 @@ import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.sk89q.worldedit.command.util.AsyncCommandHelper;
 import com.sk89q.worldedit.extension.platform.Actor;
+import com.sk89q.worldedit.util.command.parametric.ExceptionConverter;
 import com.sk89q.worldedit.util.task.Supervisor;
 
 import java.net.URL;
@@ -46,10 +47,10 @@ public class ActorCallbackPaste {
      * @param content The content
      * @param successMessage The message, formatted with {@link String#format(String, Object...)} on success
      */
-    public static void pastebin(Supervisor supervisor, final Actor sender, String content, final String successMessage) {
+public static void pastebin(Supervisor supervisor, final Actor sender, String content, final String successMessage, final ExceptionConverter exceptionConverter) {
         ListenableFuture<URL> future = new IncendoPaste("fastasyncworldedit").paste(content);
 
-        AsyncCommandHelper.wrap(future, supervisor, sender)
+        AsyncCommandHelper.wrap(future, supervisor, sender, exceptionConverter)
                 .registerWithSupervisor("Submitting content to a pastebin service...")
                 .sendMessageAfterDelay("(Please wait... sending output to pastebin...)");