Server Crash Error

Whenever a player tries to join the server, the server crashes right away.
*note: 19.11 00:57:41 - <USERNAME> and <ID> stands for actual player username and uuid. I just edited it out.


19.11 00:57:36 [Server] INFO CONSOLE issued server command: /list
19.11 00:57:41 [Server] INFO UUID of player <USERNAME> is <ID>
19.11 00:58:17 [Server] INFO [CR] Server crashed!, Shutting down
19.11 00:58:42 [Server] ERROR The server has stopped responding!
19.11 00:58:42 [Server] ERROR Please report this to http://www.spigotmc.org/
19.11 00:58:42 [Server] ERROR Be sure to include ALL relevant console errors and Minecraft crash reports
19.11 00:58:42 [Server] ERROR Spigot version: git-Spigot-5f38d38-18fbb24 (MC: 1.8.8)
19.11 00:58:42 [Server] ERROR ------------------------------
19.11 00:58:42 [Server] ERROR Server thread dump (Look for plugins here before reporting to Spigot!):
19.11 00:58:42 [Server] ERROR ------------------------------
19.11 00:58:42 [Server] ERROR Current Thread: Server thread
19.11 00:58:42 [Server] ERROR PID: 14 | Suspended: false | Native: true | State: RUNNABLE
19.11 00:58:42 [Server] ERROR Stack:
19.11 00:58:42 [Server] ERROR java.net.PlainSocketImpl.socketConnect(Native Method)
19.11 00:58:42 [Server] ERROR java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
19.11 00:58:42 [Server] ERROR java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
19.11 00:58:42 [Server] ERROR java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
19.11 00:58:42 [Server] ERROR java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
19.11 00:58:42 [Server] ERROR java.net.Socket.connect(Socket.java:579)
19.11 00:58:42 [Server] ERROR java.net.Socket.connect(Socket.java:528)
19.11 00:58:42 [Server] ERROR java.net.Socket.<init>(Socket.java:425)
19.11 00:58:42 [Server] ERROR java.net.Socket.<init>(Socket.java:241)
19.11 00:58:42 [Server] ERROR com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:254)
19.11 00:58:42 [Server] ERROR com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:292)
19.11 00:58:42 [Server] ERROR com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2334)
19.11 00:58:42 [Server] ERROR com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2371)
19.11 00:58:42 [Server] ERROR com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2163)
19.11 00:58:42 [Server] ERROR com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
19.11 00:58:42 [Server] ERROR com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
19.11 00:58:42 [Server] ERROR sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
19.11 00:58:42 [Server] ERROR sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
19.11 00:58:42 [Server] ERROR sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
19.11 00:58:42 [Server] ERROR java.lang.reflect.Constructor.newInstance(Constructor.java:526)
19.11 00:59:51 [Multicraft] Server shut down (running)