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Posted to log4net-dev@logging.apache.org by "rauzy (JIRA)" <ji...@apache.org> on 2009/02/07 00:54:59 UTC
[jira] Updated: (LOG4NET-198) Memory leak on a very basic code
[ https://issues.apache.org/jira/browse/LOG4NET-198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
rauzy updated LOG4NET-198:
--------------------------
Attachment: WindowsFormsApplication1.zip
Her is the code for testing
> Memory leak on a very basic code
> --------------------------------
>
> Key: LOG4NET-198
> URL: https://issues.apache.org/jira/browse/LOG4NET-198
> Project: Log4net
> Issue Type: Test
> Components: Core
> Affects Versions: 1.2.10
> Environment: windows xp sp3
> Reporter: rauzy
> Attachments: WindowsFormsApplication1.zip
>
>
> I build a simple form with a single button that start a timer execute every second, the task of this timer is to execute the following line:
> log.Debug("Hello");
> and I observe a memory leak.
> See Below.
> using System;
> using System.Collections.Generic;
> using System.ComponentModel;
> using System.Data;
> using System.Drawing;
> using System.Text;
> using System.Windows.Forms;
> using log4net;
> using log4net.Config;
> namespace WindowsFormsApplication1
> {
> public partial class Form1 : Form
> {
> private static readonly ILog log = LogManager.GetLogger(typeof(Form1));
> public Form1()
> {
> InitializeComponent();
> }
> private void button1_Click(object sender, EventArgs e)
> {
> XmlConfigurator.Configure();
> FreqTimers.Start();
> }
> private void FreqTimers_Tick(object sender, EventArgs e)
> {
> log.Debug("demo");
> }
> }
> }
> with an app.config like
> <?xml version="1.0" encoding="utf-8" ?>
> <configuration>
> <configSections>
> <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
> </configSections>
> <log4net debug="true">
> <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
> <file value="C:\\Temp\\TestMailer.log" />
> <appendToFile value="true" />
> <rollingStyle value="Size" />
> <maxSizeRollBackups value="10" />
> <maximumFileSize value="10MB" />
> <staticLogFileName value="true" />
> <layout type="log4net.Layout.PatternLayout">
> <conversionPattern value="%-5p %d - %m %-18.18M %n" />
> </layout>
> </appender>
> <root>
> <level value="DEBUG" />
> <appender-ref ref="RollingLogFileAppender" />
> </root>
> </log4net>
> </configuration>
> If you monitor the application, you see that the memory usage increase. Why? I can post the source solution if needed.
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