[jira] [Updated] (LOGCXX-269) RollingFileAppender leaks memory on rollover

["Thorsten Schöning (JIRA)" <lo...@logging.apache.org>]

     [ https://issues.apache.org/jira/browse/LOGCXX-269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thorsten Schöning updated LOGCXX-269:
-------------------------------------

    Summary: RollingFileAppender leaks memory on rollover  (was: RollingFileAppender)

> RollingFileAppender leaks memory on rollover
> --------------------------------------------
>
>                 Key: LOGCXX-269
>                 URL: https://issues.apache.org/jira/browse/LOGCXX-269
>             Project: Log4cxx
>          Issue Type: Bug
>          Components: Appender
>    Affects Versions: 0.10.0
>         Environment: Windows XP SP2, VC++6 
>            Reporter: kim peng quek
>            Assignee: Curt Arnold
>
> I downloaded  apache-log4cxx-0.10.0.zip, built using the steps in http://logging.apache.org/log4cxx/building/vstudio.html
> Then I begun using log4cxx0.10.0 in my VC6 project.
> When I run the application developed using VC6 (MFC), I observed that the Mem Usage (windows task manager) increases by an average of 20KB whenever the logging file rolls over to another one.
> Here is portions of my code.
> using namespace std;
> using namespace log4cxx;
> using namespace log4cxx::helpers;
> static LoggerPtr g_rootLogger;
> char *g_strconfigFile1;
> PropertyConfigurator::configure(g_strconfigFile1);
> g_rootLogger = Logger::getRootLogger();  
> .
> .
> .
> DWORD CmdOutput (....)
> {   
>  .
>  .
>  .
>  unsigned char *log4cxxBuf;
>  log4cxxBuf=new unsigned char[LOG4CXXBUFMAX];
>  if(log4cxxBuf!=NULL)
>  {    
>   .
>   .
>   .
>             LOG4CXX_DEBUG(g_rootLogger, "CmdOutput: OutDataBuffer = " << log4cxxBuf);   
>   .
>   .
>   .
>            delete[] log4cxxBuf;
>  }
>  else
>            dwReturnValue=ERROR_ALLOCATE_MEM;
>  return dwReturnValue;
> }  
> log4cxx.properties
> logDir=C:/SE/LOG
> log4j.rootLogger=INFO, A1
> log4j.appender.A1=org.apache.log4j.RollingFileAppender
> log4j.appender.A1.File=${logDir}/SE.log
> log4j.appender.A1.MaxFileSize=5MB
> log4j.appender.A1.MaxBackupIndex=1000
> log4j.appender.A1.layout=org.apache.log4j.PatternLayout
> log4j.appender.A1.layout.ConversionPattern=%d{dd MM yyyy HH:mm:ss} %5p %L - %m%n
> The CmdOutput function is called continuously in a separate thread until the "Stop" button is clicked.
> This could run for weeks and undesirable if memory usage keep increasing.
> Is there any problems with my codes, properties file?
>  
> Kindly advice.
> Thanks You.



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