First update to 1.9. Sadly makes it not work w/ 1.8

src/main/java/com/graywolf336/jail/listeners/PlayerListener.java

@@ -48,7 +48,7 @@ public class PlayerListener implements Listener {
             Location loc = event.getClickedBlock() == null ? p.getLocation() : event.getClickedBlock().getLocation();
             JailManager jm = pl.getJailManager();
 
-            if(p.getItemInHand().isSimilar(Util.getWand())) {
+            if(p.getInventory().getItemInMainHand().isSimilar(Util.getWand())) {
                 if(jm.isCreatingSomething(p.getName())) {
                     if(jm.isCreatingAJail(p.getName())) {
                         pl.debug("Stepping into creating a jail.");
@@ -225,8 +225,8 @@ public class PlayerListener implements Listener {
             Player player = (Player) event.getEntity();
 
             if(pl.getJailStickManager().isUsingJailStick(attacker.getUniqueId())) {
-                if(pl.getJailStickManager().isValidStick(attacker.getItemInHand().getType())) {
-                    if(attacker.hasPermission("jail.usejailstick." + attacker.getItemInHand().getType().toString().toLowerCase())) {
+                if(pl.getJailStickManager().isValidStick(attacker.getInventory().getItemInMainHand().getType())) {
+                    if(attacker.hasPermission("jail.usejailstick." + attacker.getInventory().getItemInMainHand().getType().toString().toLowerCase())) {
                         //The person the attacker is trying to jail stick is already jailed, don't handle that
                         if(pl.getJailManager().isPlayerJailed(player.getUniqueId())) {
                             attacker.sendMessage(Lang.ALREADYJAILED.get(player.getName()));
@@ -234,7 +234,7 @@ public class PlayerListener implements Listener {
                             if(player.hasPermission("jail.cantbejailed")) {
                                 attacker.sendMessage(Lang.CANTBEJAILED.get());
                             }else {
-                                Stick s = pl.getJailStickManager().getStick(attacker.getItemInHand().getType());
+                                Stick s = pl.getJailStickManager().getStick(attacker.getInventory().getItemInMainHand().getType());
 
                                 if(player.getHealth() <= s.getHealth() || s.getHealth() == -1) {
                                     Prisoner p = new Prisoner(player.getUniqueId().toString(), player.getName(),

src/main/java/com/graywolf336/jail/listeners/ProtectionListener.java

@@ -289,7 +289,7 @@ public class ProtectionListener implements Listener {
 
                         event.setCancelled(true);
                     }
-                }else if (event.getPlayer().getItemInHand() != null) {
+                }else if (event.getPlayer().getInventory().getItemInMainHand() != null) {
                     //Otherwise let's check if they have something in hand
                     //Get the interaction blacklist, check if the current item is in there
                     //if it is, then let's take action

src/main/java/com/graywolf336/jail/steps/CellCreationSteps.java

@@ -37,8 +37,8 @@ public class CellCreationSteps {
         if(player.getInventory().contains(wand)) {
             int i = player.getInventory().first(wand);
             if(i != -1) {
-                player.getInventory().setItem(i, player.getItemInHand());
-                player.setItemInHand(wand);
+                player.getInventory().setItem(i, player.getInventory().getItemInMainHand());
+                player.getInventory().setItemInMainHand(wand);
             }
         }else {
             player.getInventory().addItem(wand);

src/main/java/com/graywolf336/jail/steps/JailCreationSteps.java

@@ -30,8 +30,8 @@ public class JailCreationSteps {
         if(player.getInventory().contains(wand)) {
             int i = player.getInventory().first(wand);
             if(i != -1) {
-                player.getInventory().setItem(i, player.getItemInHand());
-                player.setItemInHand(wand);
+                player.getInventory().setItem(i, player.getInventory().getItemInMainHand());
+                player.getInventory().setItemInMainHand(wand);
             }
         }else {
             player.getInventory().addItem(wand);

src/test/java/test/java/com/graywolf336/jail/util/MockPlayerInventory.java

@@ -6,6 +6,7 @@ import java.util.List;
 import java.util.ListIterator;
 import java.util.Map;
 
+import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.event.inventory.InventoryType;
@@ -13,7 +14,6 @@ import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.PlayerInventory;
 
 public class MockPlayerInventory implements PlayerInventory {
-
     private int armorSize = 4, inventorySize = 36;
     ItemStack[] armorContents = new ItemStack[armorSize];
     ItemStack[] inventoryContents = new ItemStack[inventorySize];
@@ -294,8 +294,27 @@ public class MockPlayerInventory implements PlayerInventory {
                 + ",\"armorContents\":" + makeMap(getArmorContents()) + "}";
     }
 
-    @Override
     public void setHeldItemSlot(int slot) {
 
     }
-}
+
+    public Location getLocation() {
+        return null;
+    }
+
+    public ItemStack getItemInMainHand() {
+        return null;
+    }
+
+    public ItemStack getItemInOffHand() {
+        return null;
+    }
+
+    public void setItemInMainHand(ItemStack item) {
+
+    }
+
+    public void setItemInOffHand(ItemStack item) {
+
+    }
+}

src/test/java/test/java/com/graywolf336/jail/util/TestInstanceCreator.java

@@ -30,7 +30,7 @@ import org.bukkit.WorldCreator;
 import org.bukkit.WorldType;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.ConsoleCommandSender;
-import org.bukkit.craftbukkit.v1_8_R1.inventory.CraftItemFactory;
+import org.bukkit.craftbukkit.v1_9_R1.inventory.CraftItemFactory;
 import org.bukkit.entity.Player;
 import org.bukkit.permissions.Permission;
 import org.bukkit.plugin.Plugin;