src/main/java/net/pixtaded/crab/server/CrabServer.java

@@ -66,9 +66,9 @@ public class CrabServer implements Crab {
         }
     }
 
-    public synchronized void stop() {
-        isStopped = true;
+    public void stop() {
         try {
+            isStopped = true;
             if (socket != null) socket.close();
             if (serverSocket != null) serverSocket.close();
         } catch (IOException e) {

src/main/java/net/pixtaded/crab/server/Database.java

@@ -6,7 +6,7 @@ import java.sql.*;
 import java.util.Date;
 import java.util.Locale;
 
-public class Database implements AutoCloseable {
+public class Database {
 
     private Connection connection;
     private String logs = "";
@@ -68,10 +68,4 @@ public class Database implements AutoCloseable {
         else return logs.getBytes().length;
     }
 
-    @Override
-    public void close() throws SQLException {
-        if (connection != null && !connection.isClosed()) {
-            connection.close();
-        }
-    }
 }