ok I see the problem one of the mods you want to use doesn't like to work in singleplayer, I found the problem damage indicators mod doesn't want to work in singleplayer.
MySQL is only needed if you plan to have a database file with perms in it otherwise you don't really need it, but don't quote me on that as im kinda new to doing perms.
oh my bad, its Voltz.jar, rename MCPC + l25 to Voltz.jar, then run server, I can do the rename for ya if your a bit confused by all this and put in my dropbox.