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Standard minecraft 'house door' detection rules - there must be a dark square inside and to the sides, a light square that's walkable (lit by sunlight) on the other side then it'll detect properly. The minecraft wiki is a good place to get all of the details in depth like Kalbintion suggested.

That film (60s one?) was a musical version of the play Oliver Twist by Charles Dickens (1800s sometime), it's somewhat of an old classic and is widely regarded as being pretty good in spite of its age. And you should've all learned about it in school! I had to! You whippersnappers! *waves cane*

Mapwriter saves the map info based on the map name, which it generates based on the IP of the computer it's connecting to. If you shut down a server then connect to another one on the same computer (both client and server) then it'll find the existing map and load that. I'm pretty sure it can only happen if you put up a different server on the same port/IP that your client has seen before.

Start by reading a tutorial on how to set up a minecraft server, then do it using the B-Team files instead (it's virtually the same to do). http://minecraft.gamepedia.com/Tutorials/Setting_up_a_server

Up the top of this page where you've currently selected forums (the discussion forum you're in now as an example) there's another option called Tracker (the bug/issue tracker where this kind of thing is handled). The format of the tracker is different to the forums for the convenience of the users, helpers and devs when it comes to marking things as fixed or finding outstanding bugs.

Care to leave info on how you fixed it here so this thread is useful to someone who might find it in the future?

Please post up the logs of the crash on the tracker and someone will help you. (There's links to the tracker and a guide on getting logs in my sig)

Place down covers on your floor, that should invalidate it as a place to spawn while still being something you can walk on. Of course.. there is an alternative to stopping them spawning...

TC arrows with cactus heads, paper shafts and feather fletchings are really cheap and do nearly as much damage as the heaviest arrows while having much better flight characteristics (they fly in a shallower arc much further and faster than an ordinary arrow), it's worth giving those a go unless you go through a ridiculous amount of arrows.

Yep, apparently that was unintended behaviour and they've disabled it.

The bit where you deleted the whole folder - did you take a copy of the world/save before you did that? If you don't have a copy (even corrupted, without the map working and the block id errors and the internal server error message) then there's not a lot that can be done anymore. If you've got something from before then though then there's a chance. Make a thread up on the tracker going through what you did and any logs you have on the error, zip up the world and upload it to dropbox or mediafire (anywhere really) and someone will take a look (might be me, but there's some quick people on there).

Lies, Kalbintion! From what I've seen of your house previously it's some kind of horror castle in a minefield! (Unless I'm confusing it with someone elses images, could've been Halestorm actually) Mine.. is a 4x4 chunk castle thing, though I didn't mine it all down to bedrock, I just go downwards as I need to along with all the slight miscalculations that go with that. You should get poisonfrog in here, I'm sure she'll have quite a collection of pictures by now.

Sometimes explosions can cause the gravestone to not spawn. Nitro creepers blend in pretty well on some backgrounds and explode very quickly. You can restore what -should've- gone into a gravestone now, in your servers world folder (or your B-Team saves folder in singleplayer) you'll see a folder called data, in there is a list of the inventory backups made when people died previously. Use the command /ob_inventory restore <your player name> <the filename> and it should give you that stuff back.

It is? I hadn't noticed that, good spotting - the 'sharp saw bit' should face the monsters with the hole at the back end. There's levers on the grinder and autospawner I forgot to mention too - if those levers are on (sending a signal) they'll turn the machines off, the machines are running by default without a signal.

Mobs can't spawn on conveyors. The grinder may be clogged - it needs an output for items (the pipe next to it may work if it's changed from input to output, but you're best off putting down a chest/locker and pulling out from that). The autospawner needs mob essence in addition to power, it's the green liquid that'll come out of the grinder. Note that you won't get as much mob essence back from grinding a mob as it takes to spawn one - if you're setting this up early I like to build my first one around one of the zombie/skeleton spawners underneath the wickermen (because they're on the surface and pretty easy to find and build around in very early game).

Follow the Cauldron instructions. Start there: https://github.com/MinecraftPortCentral/Cauldron/wiki The only difference from previous versions (for users) is that you'll need to make sure you've got the libs in the right place, they're not in the binary anymore.

It's the other way around, though - getting stuff to openblocks XP isn't easy. The LXP and the mob essence he can get don't seem to have a straightforward way of doing it.

Damn, sorry, I swear that used to work. That thing it's doing where it swings really fast (rather than hopping up and down) is the bit where it should be drinking. It doesn't look like it works (the straw) from any of the tanks anymore. I don't think you can convert to openblocks liquidxp using the unifier, which leaves only crappy options. I set up a bucket system with a fluid transposer and autonomous activator, so that is an option (it takes some 'calibration' of the number of buckets you put in so you can drink constantly), but it'd be much easier to find another use for the mob essence.

The mob essence can be drunk using the straw directly from the tank

You might be able to set up a bunch of unifiers with the options in them, then feed the unifier with normal iron blocks when you want to convert them? That might work.

It's a known bug It's not just you, if that makes you feel any better. Hopefully it'll be fixed in a future version.

OPIS has a special version of mapwriter, I suppose technically that means it conflicts with mapwriter as well (you certainly can't have OPIS mapwriter and normal mapwriter working at the same time)

Not a problem at all Darc_wolf, I wasn't trying to be dismissive, I just hadn't realized where you were having a problem. Here's the image of the interface in the unifier; Note that you put the 'target type' bucket into the slot above where it is now, and it'll move down to the bottom slot (where it is in this picture) on its own if it's accepted. Then set it up like this; You may need to have the output on the bottom - I'm not sure about that (I've always put it there), but that should be all it takes. It doesn't need power or anything like that, just the fluid.

...? That is a strange series of messages. For future people browsing past this, while I do appreciate LordMinecraftful's directness, if a person can't even be bothered to read the rules or submit a crash report to give us a chance of helping them, I'll take note of that - if I have to pick between helping this guy and someone else, it won't be this guy. It's not personal, but I don't have infinite time so I'm going to choose the person who may be able to follow the kind of instructions I give to help them rather than someone who can't, or won't. Melfice's asking someone to submit the minimum amount of info (that also happens to be the rules for this kind of thing) isn't crazy or difficult here. That aside, best of luck LordMinecraftful!

If it's just for you and your LAN, it's a simple matter of; Downloading the server files Extract them somewhere Run launch.bat (or launch.sh on a mac) Connect to it in minecraft's multiplayer using the address 127.0.0.1 (this is a special address that just loops back to your own computer). To update the server when versions change; Rename your existing server folder (it's going to be a backup now) Download and extract the new server version to a new folder Copy the world folder from your old server folder to the new one you've just made Run the server - it should detect the world folder, apply any changes it needs for the new version, and use that (another advantage of doing it this way is if anything goes wrong you still have that untouched backup you can return to - you don't have that if you keep it in singleplayer and don't do backups manually).