Fixed Exporter not exporting anything when using a Stack Upgrade and there isn't space for 64 items in the inventory. Fixes #2128

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### 1.8.3
 - Added a new experimental autocrafting engine that's enabled by default. This should improve autocrafting performance (Darkere)
 - Wireless Transmitters can now be placed on any block and in any direction (raoulvdberge)
+- Fixed Exporter not exporting anything when using a Stack Upgrade and there isn't space for 64 items in the inventory (raoulvdberge)
 
 ### 1.8.2
 - Add Refined Storage silicon to forge:silicon tag for mod compatibility (jeremiahwinsley)

src/main/java/com/raoulvdberge/refinedstorage/apiimpl/network/node/ExporterNetworkNode.java

@@ -85,12 +85,18 @@ public class ExporterNetworkNode extends NetworkNode implements IComparable, ITy
                             if (upgrades.hasUpgrade(UpgradeItem.Type.CRAFTING)) {
                                 network.getCraftingManager().request(new SlottedCraftingRequest(this, filterSlot), slot, stackSize);
                             }
-                        } else if (ItemHandlerHelper.insertItem(handler, took, true).isEmpty()) {
-                            took = network.extractItem(slot, Math.min(slot.getMaxStackSize(), stackSize), compare, Action.PERFORM);
+                        } else {
+                            ItemStack remainder = ItemHandlerHelper.insertItem(handler, took, true);
+
+                            int correctedStackSize = took.getCount() - remainder.getCount();
+
+                            if (correctedStackSize > 0) {
+                                took = network.extractItem(slot, correctedStackSize, compare, Action.PERFORM);
 
                                 ItemHandlerHelper.insertItem(handler, took, false);
                             }
                         }
+                    }
 
                     filterSlot++;
                 }