Bugzilla Bug 231705

/usr/bin/dot -Tpng -Goverlap=false /var/lib/ntop/ntop.dot -o
/var/lib/ntop/network_map.png 2>&1

Error: Could not find/open font

Reproducible: Always

Steps to Reproduce:
1. goto http://localhost:3000/
2. select ip > local > network trafic map
3. will give the above error here

Created an attachment (id=160276) [details]
emerge info from the host

net-analyzer/ntop-3.2-r3  USE="ssl tcpd zlib -ipv6 -nls -snmp"

is my use flags

Please try version 3.3.6.

same problem in 3.3.6 here

Created an attachment (id=160331) [details]
segfaults olso seen here

It works in my case. The /var/lib/ntop/ntop.dot file begins with:
  digraph ntop {
  node [shape = polygon, sides=4, fontsize=9, style=filled,
fontname="Helvetica"];

Install one of the following fonts and see if it fixes your problem:
  media-fonts/liberation-fonts-ttf
  media-fonts/urw-fonts
  media-fonts/font-adobe-75dpi
  media-fonts/font-adobe-100dpi

Please try all of them, one by one. If all/part of them work, I will add the
proper dependency atom to RDEPEND. 

Created an attachment (id=160384) [details]
adobe font will need x11 libs :/

2 other fonts ebuilds did not help either :(

I'm open to suggestions...

Folks in fonts & x11 team, do you have a lightweight solution to this problem?
In short, I need Helvetica font family, but want to keep dependencies as
lightweight as possible.

(In reply to comment #8)
> Folks in fonts & x11 team, do you have a lightweight solution to this problem?
> In short, I need Helvetica font family, but want to keep dependencies as
> lightweight as possible.

What exactly is getting pulled in? Whatever it is, I doubt it will shrink any.

See the font-depends.log.

is this font depends not olso another bug that dont respect -x use flags and
install x11 libs anyway ?

I found another package with Helvetica fonts:
   media-fonts/gnu-gs-fonts-std
This package don't depend on anything else.

Some of those may be avoidable, but I'm not sure yet. I'll look into the
upstream dependencies a bit more.

I was able to remove the libX11 dep in mkfontscale, which will also remove
anything below that if it isn't in another part of the tree. That's all I can
do.

Thanks!

@reporter: Please test if the fonts I told you about fix the ntop segfault.

(In reply to comment #15)

> @reporter: Please test if the fonts I told you about fix the ntop segfault.

Installing gnu-gs-fonts did resolved graph creation, at least for me.

Fixed in ntop-3.3.8 by adding media-fonts/corefonts to run-time dependencies
and setting env var GDFONTPATH to /usr/share/fonts/corefonts before starting
the daemon. I've tested several other fonts (including gnu-gs-fonts-std) but
this was the only one that worked.

Closed as FIXED.