FOSS gamedev and creative worlds

I noticed this problem today a few times in the windows version that I downloaded from the minetest site, that I haven't noticed in the linux version. (Recently I moved around computers and have been using windows.) I'll be placing blocks and the DOS window stops recording them. Also {/time 6000} doesn't work anymore when this happens. When I exit to the main menu and then reload the world, the blocks I placed after the error have not been saved. This bug is not reproducible as I've noticed, it just happens randomly that I can tell. Here are the details...

*Windows 7 64 bit
*minetest 0.4.11 MinGW 64 bit from the minetest downloads page as of a few days ago http://minetest.net/download
*mods used are home decor (version from a week or two ago), flatgen, worldedit 1.0, mapfix, startlocation
*Since I can't reproduce this bug, I didn't do the debug 4 thing, but I did find this looking through my debug.txt

15:26:19: ACTION[ServerThread]: scott places node stairs:slab_stone at (96,13,160)
15:26:19: ERROR[ServerThread]: WARNING: endSave() failed, map might not have saved.WARNING: saveBlock: Block failed to save (6,0,9): SQL logic error or missing database
15:26:19: ERROR[ServerThread]: WARNING: saveBlock: Block failed to save (6,0,10): SQL logic error or missing database

Also, I don't know if this is related or not, when I break a flat white light from the home decor mod the output from the DOS window stops outputting things but I don't get the error message.

Could you try to reproduce this bug with a newer build?
Visit the Builds forum and see try one from there.
I've never seen this bug so I expect it has been fixed a while ago.

I just tried the newest windows 64 bit build from sfan available as of today 29 jan 15 at https://sfan5.pf-control.de/minetest-builds/?p, labeled 1702c34. It happened again the second time I opened the world, while I was just flying around looking at what to work on next. The error I got is

I just noticed this big chunk missing from the stadium. I don't know when it happened, but I'm thinking of not using the windows version of minetest anymore...

I tried the windows version again, with the new build. The save error happened at 06:10:51 in the following debug info, I included lines above and below the error in case it helps.

06:10:51: ERROR[ServerThread]: ERROR: An unhandled exception occurred: Couldn't save env meta
...

have you changed your minetest version?
latest dev builds used?

cHyper wrote:06:10:51: ERROR[ServerThread]: ERROR: An unhandled exception occurred: Couldn't save env meta
...

have you changed your minetest version?
latest dev builds used?

I originally started with the stable version of 0.4.11 and on Krock's suggestion in this thread switched to the latest dev build I could find for windows 64 bit. I get the same error in both builds, but with different words reported.

stable verbage:

1702c34 latest dev build verbage:


Last time I got the error this morning, I had placed a line of 6 stone blocks by holding down the right mouse button. It doesn't happen everytime. Another time it happened yesterday was just flying around comparing things and deciding what to work on next.

seems to me that it could be a database error.
what about a new world with the old databasefile?

It could be a database error I guess.

Here's the history of this world...
-I originally created it using Krock's flatgen, to build a baseball stadium called Candlestick Park, in ubuntu 14.10 with the minetest version 0.4.10 that comes with the ubuntu software center.
-That world got corrupted possibly by flatgen mod having a problem with the engine change to 0.4.11 so that the world lost chunks of the map and players could fall off the edge, so I used worldedit to copy and paste the stadium into a new flatgen world.
-Then I moved computers around and now use a windows 7 computer for a couple of weeks, so I moved the Candlestick Park map to the windows computer I'm using now with the stable 0.4.11 build.
-Then I switched to the 0.4.11 minetest engine 1702c34 from sfan.

I'll post a link to that world I'm using now in a few minutes once it is compressed and uploaded.

Here's the link to the world that this is happening in https://www.dropbox.com/s/ee9lhqj78ucxiin/Candlestick%20Park%20backup%202015%2001%2030.zip?dl=0

I can load this beautiful map with my minetestversion witihout any error-messages or something else...


https://www.dropbox.com/s/czkqcyi5a07bs8o/setup_minetest%2832bit%29_150122.exe?dl=0

Shouldn't I be using 64 bit since I have a 64 bit OS?

Not being able to save env meta is not as critical as not being able to save the map, use the newer dev version. Please try other Minetest builds, for example Krock's build.

Thank you everyone for your help, I'm just wondering if I can use 32 bit minetest on my 64 bit OS?

Yes, that should work.

cHyper wrote:https://www.dropbox.com/s/czkqcyi5a07bs8o/setup_minetest%2832bit%29_150122.exe?dl=0

CHyper, Google Chrome blocked that download and claimed it was malware for some reason.

Krock's builds confuse me, because there is no subgame. While I've been playing stable versions of minetest on linux occasionally for years, I don't normally use windows or developmental versions of minetest. I'll keep looking.

Google Chrome Android doesn't complain. Are your preferences too tight?

ExeterDad wrote:Google Chrome Android doesn't complain. Are your preferences too tight?

This is Google Chrome on windows 7, with default settings. The box for blocking phishing and malware is checked in advanced settings, but I don't want to uncheck that due to my past experiences with Windows and malware.

superschizo wrote:

cHyper wrote:https://www.dropbox.com/s/czkqcyi5a07bs8o/setup_minetest%2832bit%29_150122.exe?dl=0

CHyper, Google Chrome blocked that download and claimed it was malware for some reason.

Krock's builds confuse me, because there is no subgame. While I've been playing stable versions of minetest on linux occasionally for years, I don't normally use windows or developmental versions of minetest. I'll keep looking.

It's an installer for krock's build, with this build-version I could play your world !

superschizo wrote:Krock's builds confuse me, because there is no subgame.

Sorry for going off-topic but that's because I do not want to prefer any subgame. (And it minimizes the archive size)
Thus, I added a simple text file (README.txt) with some must-know links.

On-topic again:
A cause for this issue could be the minetest.conf setting "sqlite_synchronous", either it shouldn't be in the configuration of set to 2.
Also start Minetest without Administrator rights, outside of %programfiles%.
If that didn't help, add a scan exception to your Antivirus program.

CHyper, I'm sure Chrome did a false positive. I just mentioned it because I thought you should know that it was blocked for some reason. I did scan it and Comodo said it was clean, but the installer was in German so I couldn't use it anyway lol. I do appreciate your help, thank you.

Krock, I'll try adjusting the minetest.conf setting, and I'll add a scan exemption if I can figure out how to do it. I have been playing it without admin rights, outside of program files. Thank you.

With minetest excluded from real time scanning and sqlite_synchronous = 1 (changed from 2) on sfan's recent 1702c34 build, I had that error again where it stopped saving blocks at 12:31:57. I was placing a line of stone slabs quickly. I'll try the minimal build from Krock without a subgame to see if it works.

Krock's 32 bit build from 28 jan 15 with the minetest_game linked at the minetest download page seems to be working fine so far. So the problem appears to me to be with the 64 bit builds.