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2025-09-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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1 windows environment 1.1 create a log template
The currently used version of log4cplus-1.2.1-rc2
Staticbool bFirst = true
Logger_logger = Logger::getInstance (LOG4CPLUS_TEXT ("thriftserver"))
If (bFirst)
{
SharedAppenderPtr_append (new RollingFileAppender (LOG4CPLUS_TEXT ("thriftserver.log"), 300 * 1024, 20))
Auto_ptrpPatternLayout (new PatternLayout ("% D -% m [% l]% n"))
_ append- > setLayout (pPatternLayout)
_ append- > setName (LOG4CPLUS_TEXT ("thriftserver"))
_ logger.addAppender (_ append)
BFirst= false
}
Return _ logger
1.2 Log carries a timestamp
Auto_ptr pPatternLayout (newPatternLayout ("% d -% m [% l] n"))
It shows the time of Greenwich.
Auto_ptr pPatternLayout (newPatternLayout ("% D -% m [% l]% n"))
It shows the local time
Auto_ptr pPatternLayout (new PatternLayout ("% D {% Y-%m-%d% H:%M:%S.%q} -% m [% l]% n"))
It shows the local time and is accurate to milliseconds
1.3 use examples
# include
# include
# include
# define LOGGERTAGLogger::getInstance (LOG4CPLUS_TEXT ("thriftserver"))
Log4cplus::LoggerStartSetupThrfitServerLog ()
/ / create a log file while the program is running, and call this function
Log4cplus::Logger StartSetupThrfitServerLog ()
{
Staticbool bFirst = true
Logger_logger = Logger::getInstance (LOG4CPLUS_TEXT ("thriftserver"))
If (bFirst)
{
SharedAppenderPtr_append (new RollingFileAppender (LOG4CPLUS_TEXT ("thriftserver.log"), 300 * 1024, 20))
Auto_ptrpPatternLayout (new PatternLayout ("% D -% m [% l]% n"))
_ append- > setLayout (pPatternLayout)
_ append- > setName (LOG4CPLUS_TEXT ("thriftserver"))
_ logger.addAppender (_ append)
BFirst= false
}
Return _ logger
}
/ / write a log
LOG4CPLUS_ERROR (LOGGERTAG, "can notconnect remote host,ip:"
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