log4cplus-devel — Mailing list for log4cplus developers

[Log4cplus-devel] log4cplus static library problem

[Semyon K. <skl...@in...>]

I've downloaded log4cplus, compiled it and it runs fine. But when I'm
trying to link it with the static library (log4cplus_static) instead of
dll,  application fail to start due to log4cplus.dll absence...

I am running on VS2008.

Any advice?

 

Re: [Log4cplus-devel] [log4cplus] Problem to build and use the library

[Václav H. <v.h...@sh...>]

Leonardo Straniero wrote, On 2.4.2009 18:20:
> Hi Wilx,
> 
> I want to use this good logger for my C++ application but I have some
> problem.
> 
> Is it needed to build the library?
Of course you have to build the library first before you can use it.

> 
> Can you help me to build and use the library? When I use the example
> code “Hello World” I have this error:
If the <http://log4cplus.sourceforge.net/hello_world.html> example is broken,
take a look at tests sources instead. The site is not up to date, yet.

> 
>  
> 
> 1>Logging.cpp
> 
> 1>c:\documents and settings\lstraniero\my documents\visual studio
> 2005\projects\mappa\mappa\logging.cpp(14) : error C2665:
> 'log4cplus::Logger::getInstance' : none of the 2 overloads could convert
> all the argument types
> 
> 1>        c:\documents and
> settings\lstraniero\desktop\log4cplus-1.0.2\include\log4cplus\logger.h(93):
Please, try the log4cplus 1.0.3 that has just been released few days ago.

> could be 'log4cplus::Logger log4cplus::Logger::getInstance(const
> log4cplus::tstring &)'
> 
> 1>        while trying to match the argument list '(const char [5])'
> 
> 1>c:\documents and settings\lstraniero\my documents\visual studio
> 2005\projects\mappa\mappa\logging.cpp(14) : error C2512:
> 'log4cplus::Logger' : no appropriate default constructor available
> 
> 1>Generating Code...
> 
> 1>Build log was saved at "file://c:\Documents and Settings\lstraniero\My
> Documents\Visual Studio 2005\Projects\mappa\mappa\Debug\BuildLog.htm"
> 
> 1>mappa - 2 error(s), 0 warning(s)
> 
> ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
> 
>  
> 
> Any ides? What is my problem?? L
If you do not manage to make it work even then, use the log4cplus-devel@
mailing list or log4cplus support tracker intead of mailing me directly, please.

-
VH

Re: [Log4cplus-devel] some questions about log4cplus 1.0.3

[Václav H. <v.h...@sh...>]

Liu Xiao wrote, On 28.3.2009 19:19:
> hi,wilx
Hi, please, next time use either the support tracker or the log4cplus-devel
mailing list so that everybody can participate.

> 
> thanks for reading
> 
> I am trying to use log4cplus in some of my works, and i wrote a simple
> program attached with this e-mail.
> 
> the program is a very simple multi-threads program,just in the same way
> i hope to use in my real works,but this program can't run properly under
> linux.
Next time also provide more information. What is that you expect? What is
that you actually get? If these two differ then why do you think one is wrong
and the other is right? Etc.

> 
> In my real works,there would be a lot of different log need to be
> written, all writing called from different thread in a threads-pool, and
> different thread may write log to the same file.
> 
> I have tried very hard to solve it. but still have no idea what's wrong
> with it.
> 
> Would you please tell me the right way to use log4cplus in this manner.
> thanks a lot.
I have commented out LogInThread2() and changed #if 0 to #if 1:

int main(int argc,const char* argv[])
{
#if 1
        // rollingfileappender
        SharedAppenderPtr appender(new
RollingFileAppender("./log/test.log",1024));
        appender->setName("test");
        // patternlayout
        std::string pattern = "%d{%m/%d/%y %H:%M:%S}  - %m [%l]%n";
        std::auto_ptr<Layout> layout(new PatternLayout(pattern));
        // attach layout to appender
        appender->setLayout(layout);
        // get a logger
        Logger logger = Logger::getInstance("test");
        // attach appender to logger
        logger.addAppender(appender);
        /// set log level
        logger.setLogLevel(ALL_LOG_LEVEL);

        //LOG4CPLUS_DEBUG(logger,"this is debug message from appender test...");

        // log in other func
        LogToLoggerGot();

        // log to size split
        LogToSizeSplit();

        // log to thread
        LogInThread();
#endif

        //      LogInThread2();

        return 0;
}

Here, LogInThread2() will never work right. Once you exit main(), log4cplus
will deinitialize and stop working. LogInThread() does it right, you have to
wait for the threads to finish.

In void* FuncThread(void* data), you have line:

std::string path = "./log/"+ix+"/test.log";

This will not work, the appender does not create directory structure. The
directory with the name in the ix variable does not exist. Changing the line
like in the following example makes it log nicely into files in the log
directory:

std::string path = "./log/"+ix+"-test.log";

> 
> ps:
> 
> version of log4cplus : 1.0.3 (log4cplus-1.0.3.tar.bz2
> <http://downloads.sourceforge.net/log4cplus/log4cplus-1.0.3.tar.bz2?use_mirror=nchc>),
> also tried 1.0.2,which makes no difference.
> configure called like this: ./configure
> --prefix=/home/liuxiao/lib/log4cplus/ --enable-debugging --with-pic
> --enable-threads=yes

--
VH

PS: I am adding CC to log4cplus-devel mailing list.

[Log4cplus-devel] License issues

[Václav H. <v.h...@sh...>]

Hi,
Oliver Schneider has noticed some license issues[1] with log4cplus
license[2]. I have posted some questions to <legal-discuss.apache.org> and
got some answers[3]. Applying the advice I have produced a draft of a new
LICENSE file and attached it to the bug report in our bug tracker. I am
posting this so that you can all (especially all log4cplus contributors)
review the proposed changes. Personally, I do not care much about what
license will log4cplus use as long as it is "free enough". Flame on :)

--
VH


[1]
<https://sourceforge.net/tracker2/?func=detail&aid=2573222&group_id=40830&atid=429073>
[2]
<http://log4cplus.svn.sourceforge.net/viewvc/log4cplus/branches/PRODUCTION_1_0_x/log4cplus/license.apl?view=markup>
[3]
<http://mail-archives.apache.org/mod_mbox/www-legal-discuss/200902.mbox/%3C4...@sh...%3E>

Re: [Log4cplus-devel] Facing problem in LOG4CPLUS_TRACE

[Václav H. <v.h...@sh...>]

Rajeshkumar Swain (HCL Financial Services) wrote, On 16.1.2009 11:50:
> Hi,
> 
> I am new to log4cplus. I am using this with the VC8. I am able to link
> and run with the samples provided but I am getting some problem. My code
> is as follow.
> 
>  
> 
> #define LOG4CPLUS_TRACE(logger, logEvent) // If I do not give this line
> then it gives the error
This means you are effectivelly disabling the macro because it will expand
into empty space. Also "the error"? What error do you mean? Have you included
<log4cplus/loggingmacros.h>?

> 
> int main()
> 
> {
> 
>       BasicConfigurator config;
> 
>       config.configure();
Just today somebody has reported a bug that BasicConfigurator uses wrong name
for the ConsoleAppender (it should be "log4cplus::ConsoleAppender") and thus
this will not set up output to console correctly with 1.0.3-RC5. It is fixed
in Subversion repository and it will fixed in the next RC. I will probably
roll RC6 this weekend.

> 
>      
> 
>      
> 
>       string str("test");
> 
>       string str1("trace");
> 
>       string str2("First Log");
> 
>  
> 
>      
> 
>       SharedAppenderPtr myAppender = new
> RollingFileAppender(towstring(str),1024*5,5);
> 
>       //SharedAppenderPtr myAppender(new RollingFileAppender((tstring
> &)"Test"));
> 
>      
> 
>       std::auto_ptr<Layout>myLayout(new log4cplus::TTCCLayout());
> 
>       myAppender->setLayout(myLayout);
> 
>       //
> 
>       Logger logger = Logger::getInstance(towstring(str1)); //create the
> logger    
> 
>       logger.addAppender(myAppender) ;  //Interface Appnder with the logger
> 
>       logger.setLogLevel(TRACE_LOG_LEVEL);
> 
>      
> 
>       LOG4CPLUS_TRACE(logger,"Error");
> 
>      
> 
>       std::auto_ptr<Layout>myLayout1(new log4cplus::TTCCLayout());
> 
>       myAppender->setLayout(myLayout1);
> 
>        return 0;
> 
> }
> 
>  
> 
> The problem is it is creating the log file as test but it is not writing
> anything into it with the statement LOG4CPLUS_TRACE(logger,"Error");
> 
>  
> 
> What is the problem I do not know
> 
> Can anyone help

--
wilx

[Log4cplus-devel] Facing problem in LOG4CPLUS_TRACE

[Rajeshkumar S. (H. F. Services) <Raj...@hc...>]

Hi,

I am new to log4cplus. I am using this with the VC8. I am able to link
and run with the samples provided but I am getting some problem. My code
is as follow.

 

#define LOG4CPLUS_TRACE(logger, logEvent) // If I do not give this line
then it gives the error

int main()

{

      BasicConfigurator config;

      config.configure();

      

      

      string str("test");

      string str1("trace");

      string str2("First Log");

 

      

      SharedAppenderPtr myAppender = new
RollingFileAppender(towstring(str),1024*5,5); 

      //SharedAppenderPtr myAppender(new RollingFileAppender((tstring
&)"Test")); 

      

      std::auto_ptr<Layout>myLayout(new log4cplus::TTCCLayout()); 

      myAppender->setLayout(myLayout);

      //

      Logger logger = Logger::getInstance(towstring(str1)); //create the
logger     

      logger.addAppender(myAppender) ;  //Interface Appnder with the
logger

      logger.setLogLevel(TRACE_LOG_LEVEL);

      

      LOG4CPLUS_TRACE(logger,"Error");

      

      std::auto_ptr<Layout>myLayout1(new log4cplus::TTCCLayout()); 

      myAppender->setLayout(myLayout1);

       return 0;

}

 

The problem is it is creating the log file as test but it is not writing
anything into it with the statement LOG4CPLUS_TRACE(logger,"Error");

 

What is the problem I do not know

Can anyone help

      

 



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Re: [Log4cplus-devel] is this a live project?

[Václav H. <v.h...@sh...>]

somayeh bakhshaei wrote, On 13.9.2008 10:18:
> hi
> 
> i am a new user in log4cplus and i want to know if this
> is an in progress project or not?
It has been inactive last few years. I have taken over a month back and I am
trying to at least maintain it/fix bugs for now. I am unsure whether I will
able to do any significant new features development.

> 
> thanks a lot
> s.bakhshaei
>

--
VH

[Log4cplus-devel] is this a live project?

[somayeh b. <s.b...@ya...>]

hi

i am a new user in log4cplus and i want to know if this
is an in progress project or not?

thanks a lot
s.bakhshaei


      

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