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    posted a message on Block Collision Detection
    NOT TO BE CONFUSED WITH DESTROYING BLOCKS AND THEM COMING BACK.

    Just wanted to get that out of the way since I'm sure someone would have read this problem as that one.

    Anyway, it seems like this has to be a known issue since I've seen it for a while, but it's affecting me heavily now and getting in the road of my construction on my SMP server...

    It seems like certain rows of blocks can't be interacted with on a certain side. For instance, I have a row of blocks running along z:998 that I can't interact with on their west side. The problem persists through reconnects, server restarts, etc. Tools behave like it's not there and I can't place torches or other blocks next to it while targeting its west side. If I were to try to break it and there's a block on the opposite side, that other block would break instead. I can interact with it normally on all of its other sides.

    This also seems to happen anywhere along the axis; at any point along it and at any altitude.

    While I do have some mods running that could feasibly cause this problem, I'm inclined to think the problem isn't server-side since, if it were, the block would still break in my client and then reappear seconds later when the server disagreed with the breaking.

    Anyway... is this a known problem? Is there a fix or way around it? It's been a tough problem to successfully Google for.
    Posted in: Legacy Support
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    posted a message on Glitchy Booster Rails in SMP
    The behavior is definitely that of it not being powered. Have you tried destroying your redstone torch and replacing it? I've noticed if you place rail, place torch, destroy rail, replace rail... sometimes the new rail doesn't get powered correctly. Maybe it's something similar to that happening...
    Posted in: Legacy Support
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    posted a message on Bed Mob-spawning Glitch
    If a monster is capable of spawning within 2 spaces of your bed, you'll get a midnight visitor--even if there's a wall between your bed and that second space.

    If you use a double-thick wall, move your bed one space from the wall, or put a light on the other side of the wall... I think you should be safe.
    Posted in: Legacy Support
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    posted a message on The new bed and mob attacks
    Figured it out with some help. Not sure where the other guy's source is, but it confirmed one of my theories.

    If a monster is able to spawn within 2 blocks of the bed, you'll have a midnight visitor. This is true even if there's a wall between the bed and spawnable area.

    So.. if this is happening to you, try doubling the width of the wall or maybe putting a torch down on the other side of it. Should probably help.
    Posted in: Legacy Support
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    posted a message on The new bed and mob attacks
    Quote from BomBomHotdog »
    So heres what I have noticed. If you use the bed during sunset there is no problem, the night > day change occurs with no problem. If you use the bed at night, totally dark out with mobs spawning, you will end up with one attacking you and the time shift will not happen. I have had this happen in a safe room with different materials used.


    Maybe it's proximity to an existing mob. I just had a nighttime visit from a mob on a bed I've slept in many times before, but this time I laid down when night was already well established. Which means more mobs have already spawned. Maybe there's one nearby...
    Posted in: Legacy Support
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    posted a message on The new bed and mob attacks
    Just got this, too.

    My first beds seemed fine and were in a pretty secure place--though there is an opening with a ladder up to it some ways away.

    My second attempt was less fun. This time the place is technically very secure, but there are some compromises in the architecture thanks to how much you need to work around with redstone circuits. The "is it safe?" logic maybe didn't realize that nothing could actually get to me. Down some long stairs I also have a mob trap so there's a small opening where a stream sends goods to a pick-up spot--the opening is only one block so, again, not a risk... but maybe the logic isn't smart enough to know that. =/

    P.S. Maybe it's a range thing?

    My first beds were pretty far off the ground, on the interior side of the wall. No monsters would be able to spawn near it. My second bed was ground level on the interior side of the wall, but monsters could technically spawn just 2 blocks away--on the exterior side.

    Maybe that's a factor...
    Posted in: Legacy Support
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    posted a message on Buying a minecraft server!
    Quote from timthetortoise »
    I have two servers running at the moment, usually myself and 5-7 other people on them.
    Neither stays under 500 MB for very long, and usually cap out around 900-1.3GB memory usage. 512 for a 6 slot server is a nice thought, but it does not happen that way unless you're speaking of custom server software.


    Yeah, mine caps out at ~1.25 GB regardless of the number of people on it. At most we've had 3. I think it has less to do with the number of players and more to do with the size of the world. At 1.25GB I tend to suspect the entire world is loaded into server memory. Additional players might increase I/O and CPU usage, but once the world is loaded it's loaded.. memory requirements wouldn't increase any more.

    But then... maybe it's using that much because it can. I haven't tried forcing it to 512 or anything, but I suspect the user experience wouldn't noticeably worsen. I would note that a couple people on my server have commented that mine is the smoothest server they've been on.
    Posted in: Server Support and Administration
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    posted a message on Buying a minecraft server!
    I'd consider offering up use on my dedicated server... but not when one instance of the game takes over a GB of memory. That's a lot of system resources and a lone server wouldn't be able to run more than a couple instances--assuming it's not hosting other things, too--so you might be hard pressed to find a hosting provider at the moment.

    P.S. You should also specify if you want Windows or *nix, since third party tools seem to favor Windows pretty heavily at the moment, unfortunately...
    Posted in: Server Support and Administration
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    posted a message on Tutorial: Linux box hosting
    Quote from netlork »
    If you execute the server with:
    screen -S smp java -Xmx1024M -Xms1024M -jar minecraft_server.jar nogui


    This run the server in another "virtual console", then you can press ctrl+alt+a then D to return to your ssh session without closing the server, and you can exit from your ssh sesion normally.
    Next time you login to ssh you can recover this "virtual console" with:

    screen -x smp


    With this method you can use the server commands and console :biggrin.gif:


    Screen is definitely nice when running servers. I create myself a start/rejoin shell script so I don't have to deal with the whole screen commands every time:

    start:
    #!/bin/sh
    echo "Starting Minecraft Server"
    screen -AmdS minecraft_1 java -Xmx1024M -Xms1024M -jar minecraft_server.jar nogui
    ./rejoin


    rejoin:
    #!/bin/sh
    echo "Rejoining Minecraft Server"
    screen -D -RR minecraft_1


    Then just CTRL-A, CTRL-D to break out of the screen, "rejoin" to go back into it, CTRL-C to kill the server and leave the screen session.

    Mind you... this setup is more valuable in games where you run multiple instances ("startA","startB",etc), which is where I started using it. Now I use it for all my game-related processes.
    Posted in: Server Support and Administration
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    posted a message on Memory management needs an overhaul
    Agreed. I'm hoping this is just a beta-stage thing.

    My server is currently taking 1.25GB of memory; %51 of memory resources. Mind you I haven't restarted it in 4 days and have had up to 3 people online at once, so I'm guessing it starts low and then peaks around the 1.25 mark. Still, that's major overhead and I'm really worried about how it's affecting the other games I'm hosting. At least those other games are more CPU intensive than memory, so hopefully they don't bother each other too much.

    Still... absolutely no way for me to run two Minecraft servers on the same dedicated server.
    Posted in: Server Support and Administration
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