[14:16:11 WARN]: Connection leak detection triggered for com.mysql.jdbc.JDBC4Connection@1ec7b69 on thread Server thread, stack trace follows
java.lang.Exception: Apparent connection leak detected
        at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:100) ~[?:?]
        at net.shortninja.staffplus.server.data.MySQLConnection.getConnection(MySQLConnection.java:82) ~[?:?]
        at net.shortninja.staffplus.server.data.MySQLConnection.init(MySQLConnection.java:48) ~[?:?]
        at net.shortninja.staffplus.StaffPlus.onEnable(StaffPlus.java:113) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:339) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:403) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at org.bukkit.craftbukkit.v1_13_R2.CraftServer.enablePlugin(CraftServer.java:427) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at org.bukkit.craftbukkit.v1_13_R2.CraftServer.enablePlugins(CraftServer.java:341) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at net.minecraft.server.v1_13_R2.MinecraftServer.l(MinecraftServer.java:582) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:545) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:423) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at net.minecraft.server.v1_13_R2.DedicatedServer.init(DedicatedServer.java:288) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:698) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-228a5cd]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]
[14:16:12 INFO]: Previously reported leaked connection com.mysql.jdbc.JDBC4Connection@1ec7b69 on thread Server thread was returned to the pool (unleaked)