Pass the exception converter through more.

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

@@ -112,7 +112,10 @@ public class WorldEditCommands {
 
         if (args.hasFlag('p')) {
             actor.checkPermission("worldedit.report.pastebin");
-            ActorCallbackPaste.pastebin(we.getSupervisor(), actor, result, "WorldEdit report: %s.report");
+            ActorCallbackPaste.pastebin(
+                    we.getSupervisor(), actor, result, "WorldEdit report: %s.report",
+                    WorldEdit.getInstance().getPlatformManager().getCommandManager().getExceptionConverter()
+            );
         }
     }
 

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) {
+    public static AsyncCommandHelper wrap(ListenableFuture<?> future, Supervisor supervisor, Actor sender, ExceptionConverter exceptionConverter) {
-        return new AsyncCommandHelper(future, supervisor, sender);
+        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 EngineHubPaste().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...)");