TLS and ECHO

Actually, I get the below error. May be I forget to put some jar files 
to somewhere, any ideas?

> java.util.NoSuchElementException
>         at java.util.LinkedList.remove(LinkedList.java:579)
>         at java.util.LinkedList.removeFirst(LinkedList.java:131)
>         at 
> org.beepcore.beep.core.ChannelImpl.sendFrames(ChannelImpl.java:864)
>         at 
> org.beepcore.beep.core.ChannelImpl.sendQueuedMessages(ChannelImpl.java:773)
>         at 
> org.beepcore.beep.core.ChannelImpl.sendToPeer(ChannelImpl.java:754)
>         at 
> org.beepcore.beep.core.ChannelImpl.sendMessage(ChannelImpl.java:745)
>         at 
> org.beepcore.beep.core.MessageMSGImpl.sendRPY(MessageMSGImpl.java:176)
>         at 
> org.beepcore.beep.profile.tls.jsse.TLSProfileJSSE.receiveMSG(TLSProfileJSSE.java:575)
>         at org.beepcore.beep.core.ChannelImpl.run(ChannelImpl.java:363)
>         at 
> edu.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:655)
>         at java.lang.Thread.run(Thread.java:534)



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