diff --git a/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/SetProfileRequest.java b/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/SetProfileRequest.java
index c749edfa..8c391fe6 100644
--- a/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/SetProfileRequest.java
+++ b/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/SetProfileRequest.java
@@ -8,12 +8,10 @@
 import ru.gravit.launcher.request.websockets.RequestInterface;
 
 public class SetProfileRequest extends Request<SetProfileRequestEvent> implements RequestInterface {
-    private transient ClientProfile profile;
     @LauncherNetworkAPI
     public String client;
 
     public SetProfileRequest(ClientProfile profile) {
-        this.profile = profile;
         this.client = profile.getTitle();
     }
 
diff --git a/LauncherAPI/src/main/java/ru/gravit/launcher/request/update/UpdateRequest.java b/LauncherAPI/src/main/java/ru/gravit/launcher/request/update/UpdateRequest.java
index 25258cf9..68401d5b 100644
--- a/LauncherAPI/src/main/java/ru/gravit/launcher/request/update/UpdateRequest.java
+++ b/LauncherAPI/src/main/java/ru/gravit/launcher/request/update/UpdateRequest.java
@@ -10,7 +10,6 @@
 import ru.gravit.launcher.hasher.HashedEntry;
 import ru.gravit.launcher.hasher.HashedFile;
 import ru.gravit.launcher.request.Request;
-import ru.gravit.launcher.request.UpdateAction;
 import ru.gravit.launcher.request.update.UpdateRequest.State.Callback;
 import ru.gravit.launcher.request.websockets.LegacyRequestBridge;
 import ru.gravit.launcher.request.websockets.RequestInterface;
@@ -26,7 +25,6 @@
 import java.util.List;
 import java.util.Map.Entry;
 import java.util.Objects;
-import java.util.Queue;
 
 public final class UpdateRequest extends Request<UpdateRequestEvent> implements RequestInterface {
 
@@ -168,26 +166,6 @@ public double getTotalSizeMiB() {
         }
     }
 
-    private static void fillActionsQueue(Queue<UpdateAction> queue, HashedDir mismatch) {
-        for (Entry<String, HashedEntry> mapEntry : mismatch.map().entrySet()) {
-            String name = mapEntry.getKey();
-            HashedEntry entry = mapEntry.getValue();
-            HashedEntry.Type entryType = entry.getType();
-            switch (entryType) {
-                case DIR: // cd - get - cd ..
-                    queue.add(new UpdateAction(UpdateAction.Type.CD, name, entry));
-                    fillActionsQueue(queue, (HashedDir) entry);
-                    queue.add(UpdateAction.CD_BACK);
-                    break;
-                case FILE: // get
-                    queue.add(new UpdateAction(UpdateAction.Type.GET, name, entry));
-                    break;
-                default:
-                    throw new AssertionError("Unsupported hashed entry type: " + entryType.name());
-            }
-        }
-    }
-
     @Override
     public UpdateRequestEvent requestDo() throws Exception {
         LogHelper.debug("Start update request");
diff --git a/ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerWrapper.java b/ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerWrapper.java
index 115f978b..ec2974cc 100644
--- a/ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerWrapper.java
+++ b/ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerWrapper.java
@@ -37,7 +37,7 @@ public class ServerWrapper extends JsonConfigurable<ServerWrapper.Config> {
     public ClassLoader loader;
     public ClientPermissions permissions;
     public static ServerWrapper wrapper;
-    private static Gson gson;
+    public static Gson gson;
     private static GsonBuilder gsonBuiler;
 
     public static Path modulesDir = Paths.get(System.getProperty("serverwrapper.modulesDir", "modules"));
diff --git a/ServerWrapper/src/main/java/ru/gravit/launcher/server/setup/ServerWrapperSetup.java b/ServerWrapper/src/main/java/ru/gravit/launcher/server/setup/ServerWrapperSetup.java
index d583d160..b7d192ec 100644
--- a/ServerWrapper/src/main/java/ru/gravit/launcher/server/setup/ServerWrapperSetup.java
+++ b/ServerWrapper/src/main/java/ru/gravit/launcher/server/setup/ServerWrapperSetup.java
@@ -1,6 +1,5 @@
 package ru.gravit.launcher.server.setup;
 
-import ru.gravit.launcher.LauncherConfig;
 import ru.gravit.launcher.server.ServerWrapper;
 import ru.gravit.utils.PublicURLClassLoader;
 import ru.gravit.utils.helper.IOHelper;
@@ -24,20 +23,22 @@ public void run() throws IOException {
         System.out.println("Print jar filename:");
         String jarName = commands.commandHandler.readLine();
         Path jarPath = Paths.get(jarName);
-        JarFile file = new JarFile(jarPath.toFile());
-        URL jarURL = jarPath.toUri().toURL();
-        urlClassLoader = new PublicURLClassLoader(new URL[]{jarURL});
-        LogHelper.info("Check jar MainClass");
-        String mainClassName = file.getManifest().getMainAttributes().getValue("Main-Class");
-        if (mainClassName == null) {
-            LogHelper.error("Main-Class not found in MANIFEST");
-            return;
-        }
-        try {
-            Class mainClass = Class.forName(mainClassName, false, urlClassLoader);
-        } catch (ClassNotFoundException e) {
-            LogHelper.error(e);
-            return;
+        String mainClassName = null;
+        try (JarFile file = new JarFile(jarPath.toFile())) {
+        	URL jarURL = jarPath.toUri().toURL();
+        	urlClassLoader = new PublicURLClassLoader(new URL[]{jarURL});
+        	LogHelper.info("Check jar MainClass");
+        	mainClassName = file.getManifest().getMainAttributes().getValue("Main-Class");
+        	if (mainClassName == null) {
+            	LogHelper.error("Main-Class not found in MANIFEST");
+            	return;
+        	}
+            try {
+                Class.forName(mainClassName, false, urlClassLoader);
+            } catch (ClassNotFoundException e) {
+                LogHelper.error(e);
+                return;
+            }
         }
         LogHelper.info("Found MainClass %s", mainClassName);
         System.out.println("Print launchserver websocket host:");
@@ -66,7 +67,6 @@ public void run() throws IOException {
             wrapper.config.password = password;
             wrapper.config.title = title;
             wrapper.config.stopOnError = false;
-            LauncherConfig cfg = null;
 
             if (wrapper.auth()) {
                 break;
diff --git a/libLauncher/src/main/java/ru/gravit/launcher/managers/ConfigManager.java b/libLauncher/src/main/java/ru/gravit/launcher/managers/ConfigManager.java
index 7723de55..d2269162 100644
--- a/libLauncher/src/main/java/ru/gravit/launcher/managers/ConfigManager.java
+++ b/libLauncher/src/main/java/ru/gravit/launcher/managers/ConfigManager.java
@@ -9,8 +9,9 @@
 import java.util.HashMap;
 import java.util.Objects;
 
+@SuppressWarnings("rawtypes")
 public class ConfigManager {
-    private final HashMap<String, JsonConfigurable> CONFIGURABLE = new HashMap<>();
+	private final HashMap<String, JsonConfigurable> CONFIGURABLE = new HashMap<>();
 
     public void registerConfigurable(String name, JsonConfigurable reconfigurable) {
         VerifyHelper.putIfAbsent(CONFIGURABLE, name.toLowerCase(), Objects.requireNonNull(reconfigurable, "adapter"),