[INFO] Chunk (42, -2) stored at (35, -28) [SEVERE] java.lang.Throwable[SEVERE] at...Common Causes of Lag
The first thing to do when your server appears to be lagging is to try and isolate the cause of...Could not add user to the whitelist
The [Server] Server thread/INFO Could not add [user]to the whitelist error is most common with...Failed to Adapt Server Configuration
If you are getting the "Failed to adapt server configuration" error in your console when starting...Failed to check session lock
Failed to check session lock errors can occur randomly and usually begin with this...Out of Memory
Usually, out of memory errors (and other errors that are similar) is due to your server basically...Read Timed Out Errors
Read timed out errors are like a server crash in that you cannot join your server any longer, but...Server Crash / Port Bind Errors
In certain situations where your server is overloaded or simply just bugged due to plugins and/or...Server Not Starting - "Caused by: com.google.gson.stream.MalformedJsonException"
With the update to UUID's in 1.7.9, Minecraft also updated the file formats used for the OPs,...Server Offline / Loading Icon
For certain builds of server jars that you upload as a custom jar the Multicraft control panel...Troubleshoot Lag Problems with Spigot
With Spigot, it is possible to pin-point potential causes of lag on your server by using the...Whitelist enabled in the server.properties but not working
This is caused if the whitelist.json file format is broken. Whilst the other .json files will...