pkg/49052: ejabberd 14.07 crashes on startup

[tron%zhadum.org.uk@localhost]

>Number:         49052
>Category:       pkg
>Synopsis:       ejabberd 14.07 crashes on startup
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jul 30 21:35:00 +0000 2014
>Originator:     Matthias Scheler
>Release:        NetBSD 6.1_STABLE pkgsrc HEAD as of 2014-07-30 21:00 UTC
>Organization:
Matthias Scheler                                 https://zhadum.org.uk/
>Environment:
System: NetBSD colwyn.zhadum.org.uk 6.1_STABLE NetBSD 6.1_STABLE (COLWYN.64) 
#0: Sun Jun 29 01:23:57 BST 2014 
tron%colwyn.zhadum.org.uk@localhost:/objdir/tron/nb6/sys/arch/amd64/compile/COLWYN.64
 amd64
Architecture: x86_64
Machine: amd64
>Description:
The latest version of ejabberd always crashes on my system during startup.
It doesn't touch any of the normal logfiles but creates a "erl_crash_*.dump"
files which starts like this:

=erl_crash_dump:0.2
Wed Jul 30 22:26:28 2014
Slogan: Kernel pid terminated (application_controller) 
({application_start_failure,kernel,{{shutdown,{failed_to_start_child,net_sup,{shutdown,{failed_to_start_child,auth,{"Failed
 to create cookie file '/roo
System version: Erlang R16B02 (erts-5.10.3) [source] [64-bit] [smp:2:2] 
[async-threads:10] [hipe] [kernel-poll:false]
Compiled: Fri May 30 15:50:45 2014
Taints:
Atoms: 4984
=memory
total: 9413960
processes: 3473832
processes_used: 3462872
system: 5940128
atom: 132249
atom_used: 116575
binary: 224976
code: 2816837
ets: 65320
=hash_table:atom_tab
size: 3203
used: 2522
objs: 4984
depth: 8
[...]

The previous version works without problems, even after a downgrade
from 14.07.

>How-To-Repeat:
cd pkgsrc/chat/ejabberd
make update
/etc/rc.d/ejabberd restart

>Fix:
Not known.