minecract server error

D:\minecraft\server>java -Xmx1024M -Xms1024M -jar minecraft_server.jar
Exception in thread "main" java.lang.ExceptionInInitializerError
        at ch.<clinit>(SourceFile:5)
        at gg.<clinit>(SourceFile:31)
        at net.minecraft.server.MinecraftServer.main(SourceFile:410)
Caused by: java.lang.NullPointerException
        at java.util.Properties$LineReader.readLine(Unknown Source)
        at java.util.Properties.load0(Unknown Source)
        at java.util.Properties.load(Unknown Source)
        at ii.<init>(SourceFile:17)
        at ii.<clinit>(SourceFile:8)
        ... 3 more