[23:13:16] [HikariPool-4 housekeeper/WARN] [com.zaxxer.hikari.pool.ProxyLeakTask]: Connection leak detection triggered for org.mariadb.jdbc.MariaDbConnection@5cc6d9, stack trace follows
java.lang.Exception: Apparent connection leak detected
        at world.jnc.invsync.util.database.DatabaseConnection.connect(DatabaseConnection.java:43) ~[DatabaseConnection.class:0.6.17]
        at world.jnc.invsync.util.database.DatabaseConnection.<init>(DatabaseConnection.java:35) ~[DatabaseConnection.class:0.6.17]
        at world.jnc.invsync.util.database.MysqlDatabaseConnection.<init>(MysqlDatabaseConnection.java:26) ~[MysqlDatabaseConnection.class:0.6.17]
        at world.jnc.invsync.util.database.DataSource.<init>(DataSource.java:63) ~[DataSource.class:0.6.17]
        at world.jnc.invsync.InventorySync.init(InventorySync.java:114) ~[InventorySync.class:0.6.17]
        at org.spongepowered.common.event.listener.GameInitializationEventListener_InventorySync_init58.handle(Unknown Source) ~[?:?]
        at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:383) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
        at org.spongepowered.mod.event.SpongeModEventManager.extendedPost(SpongeModEventManager.java:443) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:404) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
        at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:231) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
        at org.spongepowered.mod.SpongeMod.onStateEvent(SpongeMod.java:271) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_162]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_162]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_162]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_162]
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218) ~[forge-1.12.2-14.23.4.2705-universal.jar:?]
        at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196) ~[forge-1.12.2-14.23.4.2705-universal.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_162]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_162]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_162]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_162]
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.LoadController.redirect$onPost$zza000(LoadController.java:560) ~[LoadController.class:?]
        at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135) ~[LoadController.class:?]
        at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:744) ~[Loader.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:107) ~[FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:337) ~[FMLCommonHandler.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:219) ~[nz.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) ~[MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_162]