[mkgmap-dev] Exception in thread "main" java.lang.ArithmeticException: / by zero

Fri Dec 10 11:35:33 GMT 2021

Ah okay, it's about gmapsupp.img - right now my server is busy, but I will
see if I can find an offending tile or if there are some size limits. And
yeah the data again is pretty big. But RAM should not matter if there is no
Index I thought.

I will check it tomorrow - at least i know a bit what to look for.

On Fri, 10 Dec 2021, 09:37 Gerd Petermann <gpetermann_muenchen at hotmail.com>
wrote:

> Hi Felix,
>
> I try to reproduce the problem with the block calculation by adding
> nonsense strings to Mdr 15.
> Maybe this helps to find out what's wrong in a reasonable time without
> crashing my own disk ;)
>
> I probably cannot reproduce real size problems because I have only 8G real
> memory in my PC.
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von
> Gerd Petermann <gpetermann_muenchen at hotmail.com>
> Gesendet: Freitag, 10. Dezember 2021 08:38
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Exception in thread   "main"
> java.lang.ArithmeticException: / by zero
>
> Hi Felix,
>
> looks like another problem with the calculation of blocksizes, this time a
> value of 0 is returned instead of a negative one.
> The error occurs while the gmapsupp.img is written, the routine that fails
> is called for each sub file.
> Is it possible to share the input data and style?
> If not I can try to add logging statements.
>
> Gerd
>
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von
> Felix Hartmann <extremecarver at gmail.com>
> Gesendet: Donnerstag, 9. Dezember 2021 16:31
> An: Development list for mkgmap
> Betreff: [mkgmap-dev] Exception in thread "main"
> java.lang.ArithmeticException: / by zero
>
> Any idea what is going wrong here?
> I think the result is actually okay...
>
> Command:
> C:\openmtbmap\maps>start /belownormal /b /wait java -jar
> -XX:+AggressiveHeap -XX:StringTableSize=1000003 -Xmx43000M
> C:\openmtbmap\mkgmap.jar --max-jobs=12 --order-by-decreasing-area
> --code-page=65001 "--style-file=C:\openmtbmap\buildings_style"
> --lower-case --levels="0:24, 1:23, 2:22, 3:21" --ignore-osm-bounds
> --ignore-turn-restrictions --merge-lines --allow-reverse-merge
> --transparent --draw-priority=28 --remove-ovm-work-files=true
> --add-pois-to-areas --simplify-polygons=23:4,22:7,21:8
> --copyright-file="C:\openmtbmap\openmtbmap_svn\copyrightopm.txt"
> --license-file="C:\openmtbmap\openmtbmap_svn\licenseopm.txt"
> --add-boundary-nodes-at-admin-boundaries=2
> --poi-excl-index=0x6405,0x4316,0x2f00 --ignore-fixme-values
> --polygon-size-limits="24:16, 23:14, 22:12, 21:11"
> --ignore-turn-restrictions --description=velobuildings_eu
> --remove-ovm-work-files= --country-abbr=eu --country-name=europe
> --mapname=86900310 --family-id=8690 --product-id=1
> --series-name="buildings_europe_09.12.2021_UC_LOCAL
>  " --keep-going --family-name="velobuildings_eu_09.12.2021_UC_LOCAL"
> --tdbfile --x-gmapi-minimal --gmapsupp --overview-mapname=mapsetb
> --area-name="europe_09.12.2021_UC_LOCAL_buildings" -c
> D:\openmtbmap\maps\template.europeb1 8690*.img buildeu.typ  1>NUL
>
>
> Mkgmap version 4827M
> Time started: Thu Dec 09 12:50:49 CET 2021
> Number of MapFailedExceptions: 0
> SEVERE (OverviewBuilder): Tile selection (0x4a) polygon for tile 86900000
> cannot be written in level 0 resolution 21, using 19 instead
>
> ........
> skipped here
> .......
>
> gmapi-minimal: Skipping file 86900308.img
> gmapi-minimal: Skipping file 86900309.img
> gmapi-minimal: Writing freshly compiled file
> C:\openmtbmap\maps\.\86900310.img
> gmapi-minimal: Writing freshly compiled file
> C:\openmtbmap\maps\.\86900311.img
> Exception in thread "main" java.lang.ArithmeticException: / by zero
>         at uk.me.parabola.imgfmt.sys.FileNode.write(FileNode.java:239)
>         at
> uk.me.parabola.imgfmt.app.BufferedImgFileWriter.sync(BufferedImgFileWriter.java:77)
>         at
> uk.me.parabola.imgfmt.app.BufferedImgFileWriter.close(BufferedImgFileWriter.java:106)
>         at uk.me.parabola.imgfmt.sys.FileNode.close(FileNode.java:107)
>         at uk.me.parabola.imgfmt.sys.ImgFS.sync(ImgFS.java:253)
>         at uk.me.parabola.imgfmt.sys.ImgFS.close(ImgFS.java:325)
>         at uk.me.parabola.imgfmt.Utils.closeFile(Utils.java:191)
>         at
> uk.me.parabola.mkgmap.combiners.GmapsuppBuilder.onFinish(GmapsuppBuilder.java:187)
>         at uk.me.parabola.mkgmap.main.Main.endOptions(Main.java:690)
>         at
> uk.me.parabola.mkgmap.CommandArgsReader.readArgs(CommandArgsReader.java:126)
>         at uk.me.parabola.mkgmap.main.Main.mainStart(Main.java:147)
>         at uk.me.parabola.mkgmap.main.Main.main(Main.java:118)
>
> --
> Felix Hartman - Openmtbmap.org & VeloMap.org
>
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