Wrap createEntity in BukkitWorld to detect corrupt entities.

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

@@ -111,12 +111,21 @@ public class BukkitWorld extends AbstractWorld {
     public com.sk89q.worldedit.entity.Entity createEntity(com.sk89q.worldedit.util.Location location, BaseEntity entity) {
         BukkitImplAdapter adapter = WorldEditPlugin.getInstance().getBukkitImplAdapter();
         if (adapter != null) {
+            try {
                 Entity createdEntity = adapter.createEntity(BukkitAdapter.adapt(getWorld(), location), entity);
                 if (createdEntity != null) {
                     return new BukkitEntity(createdEntity);
                 } else {
                     return null;
                 }
+            } catch (Exception e) {
+                logger.warning("Corrupt entity found when creating: " + entity.getType().getId());
+                if (entity.getNbtData() != null) {
+                    logger.warning(entity.getNbtData().toString());
+                }
+                e.printStackTrace();
+                return null;
+            }
         } else {
             return null;
         }