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Verelina

[Server] Server Crash on Login

5 posts in this topic

Have you read, understood, and followed all of the rules listed in large text at the top of the support forum? (Yes/No): Yes

 

TFC Version #: 0.79.18 Forge Version #: Server 10.13.3.1408 SSP/SMP (SinglePlayer/MultiPlayer): SMP Description: When one of the players of my server logs in, the server immediately crashes and must be restarted. Sorry for the lack of detail. Have you deleted your config files or are using default configs and are still able to reproduce this bug? (Yes/No): Yes.  Do you have any mods other than Forge and TFC installed? (Yes/No): Yes, Dynmap. If you have Optifine or Cauldron installed, can you still reproduce the bug after uninstalling them? (Yes/No): Optifine nor Cauldron are installed. Pastebin.com link of the Crash Report:

 

http://pastebin.com/9y8C4ryh

http://pastebin.com/NdDXdrdM

Edited by Verelina
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Hello hello! It looks like your server is using the wrong version of forge. Can you please downgrade to Forge 10.13.2.1291 and tell us if the problem persists?

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Ok there are a number of issues that you need to address.

 

From the second log

java.lang.OutOfMemoryError: GC overhead limit exceeded

 

So the server is running out of memory and is crashing. The reason it is running out of memory is likely that you are spawning near a large dense forest, with a number of ore veins and the generation of this is too much for your current setup. I know you have dedicated 4gb to the server, but you aren't running any JVM arguments, which you will help a great deal. http://terrafirmacraft.com/f/topic/8061-tfc-modpack/?p=105507 are the arguments we recommend, just adjust for the number of cores you have on the server. 

 

Next update your java version. You are running Java 7 and we recommend the latest version of Java 8, which I believe is u45.

 

Also you state that you are running Fastcraft, but that must just be in client, because the server does not have Fastcraft. You are also running Dynmap, which you did not mention. Remove this. It is very likely this is contributing to the out of memory crash especially if it is rendering a dense forest. I would recommend just using Journeymap minimap, which can do a web map.

 

Lastly downgrade your Forge version to 1291. This may or may not cause problems, but it is the version we recommend to use with the current build of TFC.

 

Hopefully that will solve your crash.  Although it is possible that RNGesus has given you the perfect storm of lag for spawn that will keep crashing out.

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Thank you for your reply, Bunsan; I will try as you suggest. Also, you were correct in regards to the mods I was running, and I edited my post -- I made it in haste, so forgive me. :P

 

I'm using a host, Miner's Plant, for hosting my server. Do you know if there is a way to get those arguments ran without direct access to the computer's terminal or should I request it from them?

 

---

 

One of my ops teleported the player in question far away from where he was right before another crash, and the problem seemed to have resolved itself. I'd still like to avoid this from happening again, however.

Edited by Verelina
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The JVM arguments are set in the startup script. I've never used a hosting service so I'm unsure how they do their startup scripts, but that is the place you would set your RAM allocation. It is likely you are using a Virtual Server so I'm not sure how much control you have over the startup scripts. Probably best to talk to them about it.

 

An example script is:

 

java  -Xms4G -Xmx4G -XX:NewSize=512M -XX:SurvivorRatio=2 -XX:+DisableExplicitGC -XX:ParallelGCThreads=4 -d64 -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:+AggressiveOpts -jar forge-1.7.10-10.13.2.1291-universal.jar

 

I manually run this when I want to boot up a server for testing. Likely for an startup script it would need to give the exact location of the forge jar, I'm navigated to the folder in my terminal when I launch this. This is a mac startup script. The JVM arguments are standard no matter what OS, but I'm not sure how similar the syntax would be to linux.

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