15:20:48 [SEVERE] Exception in thread "Listen thread" 15:21:31 [SEVERE] java.lang.OutOfMemoryError: Java heap space 15:22:30 [SEVERE] at java.io.BufferedOutputStream.<init>(BufferedOutputStream.java:59) 15:23:08 [SEVERE] at net.minecraft.server.NetworkManager.<init>(NetworkManager.java:56) 15:24:45 [SEVERE] at net.minecraft.server.NetLoginHandler.<init>(NetLoginHandler.java:21) 15:24:56 [SEVERE] at net.minecraft.server.NetworkAcceptThread.run(SourceFile:53) what does this mean D: i have no idea
15:21:31 [SEVERE] java.lang.OutOfMemoryError: Java heap space There's your problem. What's your startup ssh/batch/command?
It seems you do not have enough RAM - did you start your server with 1GB RAM or less? Windows / Linux / Mac ?? At least minimum should be -Xmx1024M (means java allocate 1GB RAM) Post your start batch