[U] Use kotlin entrypoint

src/main/java/icu/samnyan/aqua/AquaServerApplication.java

@@ -1,22 +0,0 @@
-package icu.samnyan.aqua;
-
-import icu.samnyan.aqua.sega.aimedb.AimeDbServer;
-import icu.samnyan.aqua.spring.util.AutoChecker;
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.ConfigurableApplicationContext;
-
-@SpringBootApplication
-public class AquaServerApplication {
-
-    public static void main(String[] args) throws Exception {
-        ConfigurableApplicationContext ctx = SpringApplication.run(AquaServerApplication.class, args);
-
-        final AimeDbServer aimeDbServer = ctx.getBean(AimeDbServer.class);
-        aimeDbServer.start();
-
-        final AutoChecker checker = ctx.getBean(AutoChecker.class);
-        checker.check();
-    }
-
-}

src/main/java/icu/samnyan/aqua/AquaServerApplication.kt

@@ -0,0 +1,22 @@
+package icu.samnyan.aqua
+
+import icu.samnyan.aqua.sega.aimedb.AimeDbServer
+import icu.samnyan.aqua.spring.util.AutoChecker
+import org.springframework.boot.SpringApplication
+import org.springframework.boot.autoconfigure.SpringBootApplication
+
+@SpringBootApplication
+class AquaServerApplication
+
+/**
+ * Main method, entry point of the application
+ */
+fun main(args: Array<String>) {
+    val ctx = SpringApplication.run(AquaServerApplication::class.java, *args)
+
+    val aimeDbServer = ctx.getBean(AimeDbServer::class.java)
+    aimeDbServer.start()
+
+    val checker = ctx.getBean(AutoChecker::class.java)
+    checker.check()
+}