Fixed some warnings.

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

@@ -130,6 +130,7 @@ public class BukkitWorld extends LocalWorld {
      * Construct the object.
      * @param world
      */
+    @SuppressWarnings("unchecked")
     public BukkitWorld(World world) {
         this.world = world;
 
@@ -170,7 +171,7 @@ public class BukkitWorld extends LocalWorld {
                     Class<? extends NmsBlock> nmsClass = (Class<? extends NmsBlock>) testBlock;
                     boolean canUse = false;
                     try {
-                        canUse = (Boolean) nmsClass.getMethod("verify", null).invoke(null, null);
+                        canUse = (Boolean) nmsClass.getMethod("verify").invoke(null);
                     } catch (Throwable e) {
                         continue;
                     }
@@ -191,7 +192,7 @@ public class BukkitWorld extends LocalWorld {
                 // try our default
                 try {
                     nmsBlockType = (Class<? extends NmsBlock>) Class.forName("com.sk89q.worldedit.bukkit.DefaultNmsBlock");
-                    boolean canUse = (Boolean) nmsBlockType.getMethod("verify", null).invoke(null, null);
+                    boolean canUse = (Boolean) nmsBlockType.getMethod("verify").invoke(null);
                     if (canUse) {
                         nmsSetMethod = nmsBlockType.getMethod("set", World.class, Vector.class, BaseBlock.class);
                         nmsValidBlockMethod = nmsBlockType.getMethod("isValidBlockType", int.class);

src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java

@@ -116,20 +116,21 @@ public class WorldEditPlugin extends JavaPlugin {
         // Setup interfaces
         server = new BukkitServerInterface(this, getServer());
         controller = new WorldEdit(server, config);
-        WorldEdit.getInstance().logger.setParent(Bukkit.getLogger());
+        WorldEdit.logger.setParent(Bukkit.getLogger());
         api = new WorldEditAPI(this);
         getServer().getMessenger().registerIncomingPluginChannel(this, CUI_PLUGIN_CHANNEL, new CUIChannelListener(this));
         getServer().getMessenger().registerOutgoingPluginChannel(this, CUI_PLUGIN_CHANNEL);
         // Now we can register events!
         getServer().getPluginManager().registerEvents(new WorldEditListener(this), this);
 
-        getServer().getScheduler().scheduleAsyncRepeatingTask(this,
+        getServer().getScheduler().runTaskTimerAsynchronously(this,
                 new SessionTimer(controller, getServer()), 120, 120);
     }
 
     private void copyNmsBlockClasses(File target) {
         try {
             JarFile jar = new JarFile(getFile());
+            @SuppressWarnings("rawtypes")
             Enumeration entries = jar.entries();
             while (entries.hasMoreElements()) {
                 JarEntry jarEntry = (JarEntry) entries.nextElement();
@@ -158,12 +159,6 @@ public class WorldEditPlugin extends JavaPlugin {
      */
     @Override
     public void onDisable() {
-        for (Player player : getServer().getOnlinePlayers()) {
-            LocalPlayer lPlayer = wrapPlayer(player);
-            if (controller.getSession(lPlayer).hasCUISupport()) {
-                lPlayer.dispatchCUIHandshake();
-            }
-        }
         controller.clearSessions();
         for (Handler h : controller.commandLogger.getHandlers()) {
             h.close();

src/main/java/com/sk89q/worldedit/commands/SchematicCommands.java

@@ -225,7 +225,6 @@ public class SchematicCommands {
             throw new FilenameResolutionException(dir.getPath(), "Schematics directory invalid or not found.");
         }
         StringBuilder build = new StringBuilder("Available schematics (Filename (Format)): ");
-        boolean first = true;
 
         final int sortType = args.hasFlag('d') ? -1 : args.hasFlag('n') ? 1 : 0;
         // cleanup file list
@@ -248,7 +247,6 @@ public class SchematicCommands {
             build.append("\n\u00a79");
             SchematicFormat format = SchematicFormat.getFormat(file);
             build.append(file.getName()).append(": ").append(format == null ? "Unknown" : format.getName());
-            first = false;
         }
         player.print(build.toString());
     }