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
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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