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Initializing time zone on OpenBSD
From: |
Sebastian Reitenbach |
Subject: |
Initializing time zone on OpenBSD |
Date: |
Fri, 01 Jun 2007 06:51:23 +0200 |
Hi,
I am working on porting OGo from lF to gnustep-base, on a OpenBSD box. While
the timezone is set on OGo startup, I noticed a non fatal exception.
Breakpoint 2, -[NSException raise] (self=0x8b0b0a28, _cmd=0x2df74598) at
NSException.m:782
782 if (GSPrivateEnvironmentFlag("GNUSTEP_STACK_TRACE", NO) == YES
Current language: auto; currently objective-c
(gdb) bt
#0 -[NSException raise] (self=0x8b0b0a28, _cmd=0x2df74598) at
NSException.m:782
#1 0x0df545a2 in +[NSException raise:format:arguments:] (self=0x2df743a0,
_cmd=0x2df74580, name=0x2df8ba00, format=0x2df8ba30,
argList=0xcfbcedc0 "") at NSException.m:753
#2 0x0df544f3 in +[NSException raise:format:] (self=0x2df743a0,
_cmd=0x2df8c858, name=0x2df8ba00, format=0x2df8ba30) at NSException.m:739
#3 0x0dfed2c0 in -[GSTimeZone initWithName:data:] (self=0x804e61c8,
_cmd=0x2df8c740, name=0x8b0b08e8, data=0x8b0b0908) at NSTimeZone.m:2661
#4 0x0dfe866f in -[GSPlaceholderTimeZone initWithName:data:]
(self=0x8b711ad8, _cmd=0x2df8c740, name=0x8b0b08e8, data=0x8b0b0908)
at NSTimeZone.m:491
#5 0x0dfeba2d in +[NSTimeZone timeZoneArray] (self=0x2df8c040,
_cmd=0x2df8c878) at NSTimeZone.m:1614
#6 0x0dfea651 in +[NSTimeZone knownTimeZoneNames] (self=0x2df8c040,
_cmd=0x2df8c810) at NSTimeZone.m:1166
#7 0x0dfe9937 in +[NSTimeZone abbreviationDictionary] (self=0x2df8c040,
_cmd=0x2df8c938) at NSTimeZone.m:965
#8 0x0dfebe72 in +[NSTimeZone timeZoneWithAbbreviation:] (self=0x2df8c040,
_cmd=0x22f69778, abbreviation=0x22f6909c) at NSTimeZone.m:1696
#9 0x02f823e0 in OWGetProperty () from /usr/local/lib/libNGObjWeb.so.4.7.9
#10 0x0815ac0c in __objc_send_initialize (class=0x22f696e0)
at /usr/src/gnu/lib/libobjc/libobjc/sendmsg.c:324
#11 0x0815aaa4 in __objc_init_install_dtable (receiver=0x22f696e0,
op=0x22f61430) at /usr/src/gnu/lib/libobjc/libobjc/sendmsg.c:266
#12 0x0815ba28 in objc_msg_lookup (receiver=0x22f696e0, op=0x22f61430)
at /usr/src/gnu/lib/libobjc/libobjc/sendmsg.c:184
#13 0x02f5df22 in WOGetKVCValueUsingMethod ()
from /usr/local/lib/libNGObjWeb.so.4.7.9
#14 0x02f5e1a5 in WOGetKVCValueUsingMethod ()
from /usr/local/lib/libNGObjWeb.so.4.7.9
#15 0x0300ecef in OWFormElementName ()
from /usr/local/lib/libNGObjWeb.so.4.7.9
#16 0x1c00350e in -[OpenGroupware init] (self=0x81435208, _cmd=0x22f6d7c8)
at OpenGroupware.m:250
#17 0x02f92dff in WOApplicationMain ()
from /usr/local/lib/libNGObjWeb.so.4.7.9
#18 0x02fb2c13 in WOWatchDogApplicationMain ()
from /usr/local/lib/libNGObjWeb.so.4.7.9
#19 0x1c001c88 in gnustep_base_user_main (argc=3, argv=0xcfbcf454,
env=0xcfbcf464) at main.m:32
#20 0x0dfaa16b in main (argc=3, argv=0xcfbcf454, env=0xcfbcf464) at
NSProcessInfo.m:897
#21 0x1c001b50 in ___start ()
#22 0x1c001abf in _start ()
#23 0x00000000 in ?? ()
looking at NSTimeZone.m I read this in the header:
The local time zone can be specified with:
1) the user defaults database
2) the GNUSTEP_TZ environment variable
3) the file LOCAL_TIME_FILE in _time_zone_path()
4) the TZ environment variable
5) TZDEFAULT defined in tzfile.h on platforms which have it
6) tzset() & tznam[] for platforms which have it
7) Windows registry, for Win32 systems
8) or the fallback time zone (which is UTC)
with the ones listed first having precedence.
When I set the GNUSTEP_TZ to e.g. Europe/Berlin, then no exception happens.
But without that variable, it walks through all timezones
in /usr/share/zoneinfo/. In that directory there is a file called zone.tab.
This file is parsed too, and the exception is raised.
So the exception is non fatal, I can continue in gdb. Then I see the
following warning:
2007-06-01 06:48:35.963 ogo-webui-1.1[28993] Unable to obtain time zone
`zone.tab'... <NSException: 0x8b0b0a28> NAME:GSTimeZoneFileException
REASON:Transitions list is truncated
As said, defining GNUSTEP_TZ fixes the problem.
As it is a non fatal exception, I don't know whether it is an issue. I just
wanted to mention it here.
kind regards
Sebastian
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