Eclipse error = CMD error

Help me fix this plugin! I will list the errors eclipse gives to me. Im doing this because i dont understand what is wrong with them
CMD error :

Code:

SEVERE: Could not load plugins\TntMessage.jar in plugins: null
org.bukkit.plugin.InvalidPluginException
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:83)
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.
java:115)
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager
.java:80)
        at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:43)
        at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:153)
        at net.minecraft.server.MinecraftServer.c(MinecraftServer.java:140)
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:104)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:177)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:512)
Caused by: java.lang.ClassNotFoundException: com.bukkiit.connormcwood.Tntmessage

        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.
java:29)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:77)
        ... 8 more

Apparently
import org.bukkit.Player;
import org.bukkit.Block;
import org.bukkit.BlockFace;

Cannot be resolved?
but the other imports work... ?

 

import org.bukkit.entity.Player;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;

it changed