我的世界服务器启动失败
有时候显示；
19:23:52 ERROR]: Encountered an unexpected exception
java.lang.NoClassDefFoundError: Could not initialize class Reflector
at net.minecraft.crash.CrashReport.func_71504_g(CrashReport.java:163) ~[b.class:?]
at net.minecraft.crash.CrashReport.<init>(CrashReport.java:55) ~[b.class:?]
at net.minecraft.crash.CrashReport.func_85055_a(CrashReport.java:442) ~[b.class:?]
at net.minecraft.world.World.<init>(World.java:196) ~[ahb.class:?]
at net.minecraft.world.WorldServer.<init>(WorldServer.java:160) ~[mt.class:?]
at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:367) ~[MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:336) ~[lt.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:631) [MinecraftServer.class:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_144]
[19:23:52 INFO]: Applying holder lookups
[19:23:52 INFO]: Holder lookups applied
[19:23:52 INFO]: The state engine was in incorrect state SERVER_STARTING and forced into state SERVER_STOPPED. Errors may have been discarded.
[控制台] 服务器已停止
这些，然后就停止了，有时候会显示；
[控制台] 正在启动...
A problem occurred running the Server launcher.Downloading file https://dl.dropboxusercontent.com/u/47135879//Baubles-1.7.10-1.0.1.10.jar
[控制台] 服务器已停止
这是怎么回事？求教！
有可能是系统配置在那个时候停顿了一会，我的也是有事后显示错乱
额，人多了进不去