13:37:10 [SEVERE] Could not load 'plugins/Trader.jar' in folder 'plugins':
java.io.FileNotFoundException: Jar does not contain plugin.yml
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:64)
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.
java:213)
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager
.java:136)
        at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:138)
        at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:103)
        at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigur
ationManager.java:52)
        at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:136)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:348)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
13:37:10 [INFO] [SuperpermBridge] Superperm/Permissions bridge initialized
13:37:10 [SEVERE] Could not load 'plugins/Blacksmith.jar' in folder 'plugins':
java.io.FileNotFoundException: Jar does not contain plugin.yml
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:64)
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.
java:213)
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager
.java:136)
        at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:138)
        at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:103)
        at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigur
ationManager.java:52)
        at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:136)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:348)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)