Fix Vault hook - thanks @Yann151924

bukkit/src/main/java/me/lucko/luckperms/bukkit/BukkitListener.java

@@ -35,6 +35,7 @@ import org.bukkit.event.player.AsyncPlayerPreLoginEvent;
 import org.bukkit.event.player.PlayerCommandPreprocessEvent;
 import org.bukkit.event.player.PlayerLoginEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.event.server.PluginEnableEvent;
 
 import java.util.UUID;
 
@@ -143,4 +144,11 @@ class BukkitListener extends AbstractListener implements Listener {
             e.getPlayer().sendMessage(Message.OP_DISABLED.toString());
         }
     }
+
+    @EventHandler
+    public void onPluginEnable(PluginEnableEvent e) {
+        if (e.getPlugin().getName().equalsIgnoreCase("Vault")) {
+            plugin.tryVaultHook(true);
+        }
+    }
 }

bukkit/src/main/java/me/lucko/luckperms/bukkit/LPBukkitPlugin.java

@@ -198,19 +198,7 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
         }
 
         // Provide vault support
-        getLog().info("Attempting to hook into Vault...");
+        tryVaultHook(false);
-        try {
-            if (getServer().getPluginManager().isPluginEnabled("Vault")) {
-                vaultHook = new VaultHook();
-                vaultHook.hook(this);
-                getLog().info("Registered Vault permission & chat hook.");
-            } else {
-                getLog().info("Vault not found.");
-            }
-        } catch (Exception e) {
-            getLog().severe("Error occurred whilst hooking into Vault.");
-            e.printStackTrace();
-        }
 
         // register with the LP API
         getLog().info("Registering API...");
@@ -268,6 +256,27 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
         }
     }
 
+    public void tryVaultHook(boolean force) {
+        if (vaultHook != null) {
+            return;
+        }
+
+        getLog().info("Attempting to hook with Vault...");
+        try {
+            if (force || getServer().getPluginManager().isPluginEnabled("Vault")) {
+                vaultHook = new VaultHook();
+                vaultHook.hook(this);
+                getLog().info("Registered Vault permission & chat hook.");
+            } else {
+                getLog().info("Vault not found.");
+            }
+        } catch (Exception e) {
+            vaultHook = null;
+            getLog().severe("Error occurred whilst hooking into Vault.");
+            e.printStackTrace();
+        }
+    }
+
     @Override
     public void doAsync(Runnable r) {
         asyncExecutor.execute(r);

bukkit/src/main/resources/plugin.yml

@@ -5,7 +5,8 @@ author: Luck
 website: https://github.com/lucko/LuckPerms
 
 main: me.lucko.luckperms.bukkit.LPBukkitPlugin
-softdepend: [Vault, PermissionsEx, GroupManager, PowerfulPerms, zPermissions, bPermissions] # For migration
+load: STARTUP
+softdepend: [PermissionsEx, GroupManager, PowerfulPerms, zPermissions, bPermissions] # For migration
 
 commands:
   luckperms: