Multiple Issues & Crashes on LAN Server

[FinestShape 0]

Dear All,

 

Rather a long one here to follow as it encompasses a number of possibly unconnected issues that I have been experiencing with my local hosted server. I am placing them all into a single post for brevity's sake, however, if requested, I shall break them down into separate posts. 

 

I run a server on my main PC, that is used by just myself and my partner running on our local network, so there is no possibility of networking issues. The server is a vanilla TFC 0.79.15.538 server, running with MCForge 10.13.2.1272, and with Fastcraft version 1.21, installed on my main PC.

 

The specs of my PC are 2x4Gb XMS3 Corsair RAM, Intel i5-3570 3.40GHz CPU, AMD Radeon HD7700 GPU, and Intel 120Gb SSD.

 

I have run this setup of server before on this PC last year, without any real issues, on the then current versions of the same. I do not use Optifine or Cauldron, or any other 3rd party mods on the server.

 

Both clients are run on the same setup, using the Technic launcher, and running TFC 0.79.15, Minecraft Coder Pack 9.05, Forge Mod Loader 7.10.85.1272, MCForge 10.13.2.1272, FastCraft 1.21, and Mapwriter 2.1.2. No other mods have been in use by either the server or clients.

 

The run.bat for the server is as follows:

java -Xmn1024m -Xmx1024m -Xms1024m -jar forge-1.7.10-10.13.2.1272-universal.jar

 

And the startup code when launching the server at present is as follows: Link

 

The server was initially running fine, albeit a bit slower than I had expected from previously running it, but then problems started occurring. The first major issue was a repeated client-side crash whenever I tried to access my inventory. The crash began occurring after I located and broke some leaves which appeared to have spawned on the ground. The crash report for this issue is as follows: Link 

I was able to walk around and interact with the world and hotbar inventory items fine, but any attempt to access my main inventory immediately crashed the game, as did opening chests or other containers. I resolved the issue by deleting my playerdata file on the server and rejoining as though it was a first login. The issues has not reoccurred since, and so I am led to believe that the issue was regarding the mispawned leaves.

 

The next issue occurred later on when I attempted to adjust the server settings to remove hostile mobs from spawning. I did this in the usual manner by stopping the server, and editing the server properties file of spawn_monsters to 'false'. Not long after doing this, the server crashed with the following report: Link 

Following restarting the server after this crash, a number of issues had appeared. First of all, all of the animals (cows, pigs, and sheep) within the loaded chunks near to the players had disappeared, including all those we had corralled together into a paddock at our farm. In addition, a road which I had built, edged by granite brick blocks cut into stairs were now only rendering in alternate chunks, in that, as you travelled along the road, the 'stair' blocks on the first chunk would not be visible, but would be highlighted with the cursor, and then the second chunk's would be rendered properly, whilst the next were not, and so on all the way along the road. In addition, all fence gates which we had on the farm had rotated laterally 90º so that they were all now at right angles to the fences they were built into. Animals located on unloaded chunks spawned and remained as normal, and hostile mobs were unable to spawn as dictated. As yet, I have not been able to resolve this issue, or have experienced it reoccurring. 

 

Finally, a series of repeated server crashes began occurring whilst I was attempting to sail by boat to another continent, giving the following crash report: Link

 

Restarting the server and rejoining, even after a client reinstall, causes the client to be removed from the server citing 'Internal Server Error. The server log of this happening is as follows: Link

 

Just from reading the reports, due to my not particularly great skills with java, I have been unable to ascertain the causes of these issues or make alterations to prevent their recurrence. Any assistance in these matters would be greatly appreciated. 

[Bunsan 323]

Unfortunately as we do not support Technic on this forum you'll need to seek detailed support elsewhere. I will tell you that your server is running the bare minimum for RAM. The inventory bug was a unrecognized sapling. Some of the other crashes etc are likely memory/generating a huge forest issue. The other issues could be due to the other crashes or the modpack distributed by Technic. We can not speak to the make up or stability of any Technic pack. For a simple server client/server setup such as yours there really is no need to use an external launcher.

[Kittychanley 1,002]

For future reference, we do not support use of the Technic launcher on these forums. Since this is your first post, I will make an exception and help you out with some insight on your crashes, but beyond this singular post you will not receive any help on this forum unless you stop using the Technic launcher, and are able to reproduce your issues using the vanilla launcher. We are happy to provide support for installing TFC on the vanilla launcher.

 

There's a few things I see wrong right of the bat. Primarily, TFC requires a minimum of at least 1GB to run smoothly for single player. You only have 1GB allocated to your server. Change Xmx and Xms to be at a minimum 2G, and increase as necessary (too much ram can cause just as many issues as not enough). It also looks like your server and your clients are using 32bit Java. Make sure that if you have a 64bit OS, that you uninstall all copies of 32bit java and manually install 64bit.

 

Your startup console looks completely normal. I see no issues with it.

 

Your first crash was caused by the game trying to render a sapling that didn't exist. The sapling wasn't on your hotbar, but it was in your inventory, which is why you only crashed when trying to access your full inventory.

 

Your second crash was most likely caused by you chopping down a sequoia tree. Since you're only using 32bit Java, it couldn't keep up with all of the block updates and it crashed.

 

Your crash while sailing has the same root cause, it couldn't keep up with generating the new terrain, and so it crashed. Your final crash is a duplicate of your sailing crash, so the same problem.