>>
>> One time I added
>> oss << std::ends;
>> before the LOG4CXX_DEBUG call.
>>
>>
>> This log line never appeared in the log and the nextMethodToCall()
>> method was never called. It seemed like the thread where this was
done
>> hanged in the LOG4CXX_DEBUG call!
>>
>> Great if you could check that. I'm using the head version of LOG4CXX
>> downloaded the 19. december this year =)
>>
>>
>The behavior sounds consistent with LOGCXX-162 (http://
>issues.apache.org/jira/browse/LOGCXX-162?page=all) which was marked as
resolved on 4-
>Dec-2006. Basically the charset decoder that called mbstowcs would go
into a loop if
>the string contained a null character. However, the charset decoder in
use depends on
>the platform and build settings and it is possible that the same defect
exists in some
>of the other charset decoders.
>
>Could you let us know what platform and compiler you are using and
>any build switches. If you are using the ant build, did the unit
>test suite complete successfully. The bug fix for LOGCXX-162 added a
test that should
>fail if the default character decoder has that type of flaw. I'm not
sure if "make
>check" works on the autotools build to do the same thing. There was a
recent patch that
>might have fixed it.
Hi! Thanks for the quick answer!.
Here's some info about the platform etc:
Platform: Linux CentOS 4.4
$ uname -a
Linux odin02.lokal.lan 2.6.9-42.ELsmp #1 SMP Sat Aug 12 09:39:11 CDT
2006 i686 i686 i386 GNU/Linux
$ g++ --version
g++ (GCC) 3.4.6 20060404 (Red Hat 3.4.6-3)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is
NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
I'm using the ant script for building and it seemed to me that all
unit-tests were successfully run.
There is however a possibility that you see something in the print that
I don't so here it is.
The build target 'run-unittest' prints:
[exec]
........................................................................
............................log4cxx: Empty conversion specifier
[exec] .log4cxx: Empty conversion specifier
[exec] .............................................log4cxx: Cannot
get information about host: unknown.host.local
[exec] Waiting until next second and 100 millis.Done
waiting.08:09:41,100 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test1:123 - Hello---0
[exec] 08:09:41,601 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test1:123 - Hello---1
[exec] 08:09:42,101 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test1:123 - Hello---2
[exec] 08:09:42,602 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test1:123 - Hello---3
[exec] 08:09:43,103 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test1:123 - Hello---4
[exec] 08:09:44,101 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test2:167 - Hello---0
[exec] 08:09:44,602 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test2:167 - Hello---1
[exec] 08:09:45,103 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test2:167 - Hello---2
[exec] 08:09:45,606 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test2:189 - Hello---3
[exec] 08:09:46,107 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test2:189 - Hello---4
[exec] Waiting until next second and 100 millis.Done
waiting.08:09:47,100 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test4:289 - Hello---0
[exec] 08:09:47,601 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test4:289 - Hello---1
[exec] 08:09:48,101 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test4:289 - Hello---2
[exec] 08:09:48,602 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test4:311 - Hello---3
[exec] 08:09:49,102 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test4:311 - Hello---4
[exec] Waiting until next second and 100 millis.Done
waiting.08:09:50,100 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test5:360 - Hello---0
[exec] 08:09:50,601 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test5:360 - Hello---1
[exec] 08:09:51,101 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test5:360 - Hello---2
[exec] 08:09:51,602 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test5:360 - Hello---3
[exec] 08:09:52,103 [0xb7c3cb20] DEBUG
log4j.TimeBasedRollingTest#test5:360 - Hello---4
[exec] ................................................log4cxx: No
appender could be found for logger (x).
[exec] log4cxx: Please initialize the log4cxx system properly.
[exec] ....................................................log4cxx:
Threshold ="".
[exec] log4cxx: Retreiving an instance of Logger.
[exec] log4cxx: Setting
[org.apache.log4j.rolling.FilterBasedRollingTest] additivity to [false].
[exec] log4cxx: Class name:
[org.apache.log4j.rolling.RollingFileAppender]
[exec] log4cxx: Parsing rolling policy of class:
"org.apache.log4j.rolling.FixedWindowRollingPolicy"
[exec] log4cxx: Setting option name=[fileNamePattern],
value=[output/filterBased-test1.%i]
[exec] log4cxx: Setting option name=[minIndex], value=[0]
[exec] log4cxx: Parsing triggering policy of class:
"org.apache.log4j.rolling.FilterBasedTriggeringPolicy"
[exec] log4cxx: Setting option name=[levelMin], value=[info]
[exec] log4cxx: OptionConverter::toLevel: no class name specified,
level=[info]
[exec] log4cxx: Parsing layout of class:
"org.apache.log4j.PatternLayout"
[exec] log4cxx: Setting option name=[ConversionPattern],
value=[%m%n]
[exec] log4cxx: Setting option name=[file],
value=[output/filterBased-test1.log]
[exec] log4cxx: Setting option name=[append], value=[false]
[exec] log4cxx: Adding appender named [ROLLING] to logger
[org.apache.log4j.rolling.FilterBasedRollingTest].
[exec] log4cxx: Level value for
org.apache.log4j.rolling.FilterBasedRollingTest is [debug].
[exec] log4cxx: OptionConverter::toLevel: no class name specified,
level=[debug]
[exec] log4cxx: org.apache.log4j.rolling.FilterBasedRollingTest
level set to DEBUG
[exec] log4cxx: Level value for root is [info].
[exec] log4cxx: OptionConverter::toLevel: no class name specified,
level=[info]
[exec] log4cxx: root level set to INFO
[exec] log4cxx: Class name: [org.apache.log4j.ConsoleAppender]
[exec] log4cxx: Parsing layout of class:
"org.apache.log4j.PatternLayout"
[exec] 2006-12-22 08:09:52,935 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---0
[exec] 2006-12-22 08:09:52,937 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---1
[exec] 2006-12-22 08:09:52,938 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---2
[exec] log4cxx: Setting option name=[ConversionPattern],
value=[%m%n]
[exec] 2006-12-22 08:09:52,941 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---3
[exec] log4cxx: Adding appender named [CONSOLE] to logger [root].
[exec] 2006-12-22 08:09:52,942 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---4
[exec] 2006-12-22 08:09:52,942 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---5
[exec] 2006-12-22 08:09:52,943 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---6
[exec] 2006-12-22 08:09:52,943 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---7
[exec] 2006-12-22 08:09:52,943 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---8
[exec] 2006-12-22 08:09:52,943 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---9
[exec] 2006-12-22 08:09:52,943 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--10
[exec] 2006-12-22 08:09:52,944 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--11
[exec] 2006-12-22 08:09:52,944 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--12
[exec] 2006-12-22 08:09:52,944 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--13
[exec] 2006-12-22 08:09:52,945 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--14
[exec] 2006-12-22 08:09:52,945 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--15
[exec] 2006-12-22 08:09:52,945 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--16
[exec] 2006-12-22 08:09:52,945 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--17
[exec] 2006-12-22 08:09:52,945 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--18
[exec] 2006-12-22 08:09:52,945 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--19
[exec] 2006-12-22 08:09:52,946 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--20
[exec] 2006-12-22 08:09:52,946 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--21
[exec] 2006-12-22 08:09:52,947 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--22
[exec] 2006-12-22 08:09:52,947 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--23
[exec] 2006-12-22 08:09:52,947 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--24
[exec] 2006-12-22 08:09:52,950 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---0
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---1
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---2
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---3
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---4
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---5
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---6
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---7
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---8
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---9
[exec] 2006-12-22 08:09:52,951 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--10
[exec] 2006-12-22 08:09:52,952 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--11
[exec] 2006-12-22 08:09:52,952 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--12
[exec] 2006-12-22 08:09:52,952 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--13
[exec] 2006-12-22 08:09:52,952 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--14
[exec] 2006-12-22 08:09:52,952 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--15
[exec] 2006-12-22 08:09:52,953 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--16
[exec] 2006-12-22 08:09:52,953 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--17
[exec] 2006-12-22 08:09:52,953 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--18
[exec] 2006-12-22 08:09:52,953 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--19
[exec] 2006-12-22 08:09:52,953 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--20
[exec] 2006-12-22 08:09:52,954 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--21
[exec] 2006-12-22 08:09:52,954 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--22
[exec] 2006-12-22 08:09:52,954 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--23
[exec] 2006-12-22 08:09:52,954 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--24
[exec] 2006-12-22 08:09:52,957 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---0
[exec] 2006-12-22 08:09:52,958 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---1
[exec] 2006-12-22 08:09:52,958 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---2
[exec] 2006-12-22 08:09:52,958 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---3
[exec] 2006-12-22 08:09:52,958 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---4
[exec] 2006-12-22 08:09:52,958 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---5
[exec] 2006-12-22 08:09:52,958 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---6
[exec] 2006-12-22 08:09:52,959 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---7
[exec] 2006-12-22 08:09:52,959 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---8
[exec] 2006-12-22 08:09:52,959 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---9
[exec] 2006-12-22 08:09:52,959 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--10
[exec] 2006-12-22 08:09:52,960 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--11
[exec] 2006-12-22 08:09:52,960 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--12
[exec] 2006-12-22 08:09:52,960 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--13
[exec] 2006-12-22 08:09:52,961 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--14
[exec] 2006-12-22 08:09:52,961 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--15
[exec] 2006-12-22 08:09:52,962 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--16
[exec] 2006-12-22 08:09:52,963 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--17
[exec] 2006-12-22 08:09:52,963 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--18
[exec] 2006-12-22 08:09:52,964 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--19
[exec] 2006-12-22 08:09:52,964 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--20
[exec] 2006-12-22 08:09:52,964 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--21
[exec] 2006-12-22 08:09:52,965 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--22
[exec] ............
[exec] 2006-12-22 08:09:52,966 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--23
[exec] 2006-12-22 08:09:52,966 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--24
[exec] 2006-12-22 08:09:52,970 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---0
[exec] 2006-12-22 08:09:52,971 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---1
[exec] 2006-12-22 08:09:52,971 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---2
[exec] 2006-12-22 08:09:52,971 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---3
[exec] 2006-12-22 08:09:52,971 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---4
[exec] 2006-12-22 08:09:52,971 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---5
[exec] 2006-12-22 08:09:52,972 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---6
[exec] 2006-12-22 08:09:52,972 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---7
[exec] 2006-12-22 08:09:52,972 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---8
[exec] 2006-12-22 08:09:52,972 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello---9
[exec] 2006-12-22 08:09:52,972 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--10
[exec] 2006-12-22 08:09:52,974 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--11
[exec] 2006-12-22 08:09:52,974 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--12
[exec] 2006-12-22 08:09:52,974 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--13
[exec] 2006-12-22 08:09:52,974 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--14
[exec] 2006-12-22 08:09:52,974 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--15
[exec] 2006-12-22 08:09:52,975 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--16
[exec] 2006-12-22 08:09:52,975 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--17
[exec] 2006-12-22 08:09:52,975 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--18
[exec] 2006-12-22 08:09:52,975 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--19
[exec] 2006-12-22 08:09:52,975 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--20
[exec] 2006-12-22 08:09:52,976 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--21
[exec] 2006-12-22 08:09:52,976 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--22
[exec] 2006-12-22 08:09:52,976 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--23
[exec] 2006-12-22 08:09:52,977 DEBUG
org.apache.log4j.rolling.SizeBasedRollingTest -Hello--24
[exec] OK (258 tests)
>I believe that "a" was interpreted as being a char or wchar_t value,
basically the same as if you did:
>
>"This is a number test: " + '\u0005';
>
>in Java. If you increase the value of a to 67 or so, you'd should see
an printable character in the log. That is
>a behavior that is built into std::basic_string and not much we can do
about it.;
>
>log4cxx does contain a logstream class that was intended to make a
std::basic_stream compatible logging interface,
>however there are some performance and usability issues around the
current implementation and no obvious way to
>maintain full compatibility with std::basic_string and eliminate the
performance problem.
>
>You could also create a formatting method that returned a std::string
and use that in place of the message.
>The macros would short circuit the evaluation of the formatter if the
threshold was not reached.
>Something like:
>
>LOG4CXX_DEBUG(logger, cfmt("This is a number test: %d", a));
Ok.. thanks... seems to be a good idea! I'll try that! Thanks for making
logging so much easier!
I have really improved the efficiency in creating c++ code when the log
system is so flexible =)
Tomas Andersen
moreCom AS
www.morecom.no
