我如何配置log4net SmtpAppender，使其只在达到某个级别时向我发送电子邮件？

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问题描述

我正在尝试配置log4net smtpappender，以便我只有在点击某个日志级别时才获得电子邮件，但其中包含所有级别的最后10行.这是我的配置:

<appender name="EmailAppender" type="SmtpSubjectLayoutAppender">

  <evaluator type="log4net.Core.LevelEvaluator">
    <threshold value="WARN"/>
  </evaluator>

  <bufferSize value="10" />
  <lossy value="false" />

  ...
</appender>

我正在使用此代码进行练习:

for (var i = 1; i <= 30; i++)
{
    logger.Info("This is just a test message " + i);
}

logger.Error("Error message");

问题是，我最终收到了3封电子邮件，2张INFO记录，还有一条具有ERROR之前发生的最后几行:

[2012-07-27 18:59:55.657][INFO ][Chase][tid=14972] This is just a test message 23
[2012-07-27 18:59:55.659][INFO ][Chase][tid=14972] This is just a test message 24
[2012-07-27 18:59:55.661][INFO ][Chase][tid=14972] This is just a test message 25
[2012-07-27 18:59:55.662][INFO ][Chase][tid=14972] This is just a test message 26
[2012-07-27 18:59:55.664][INFO ][Chase][tid=14972] This is just a test message 27
[2012-07-27 18:59:55.666][INFO ][Chase][tid=14972] This is just a test message 28
[2012-07-27 18:59:55.667][INFO ][Chase][tid=14972] This is just a test message 29
[2012-07-27 18:59:55.670][INFO ][Chase][tid=14972] This is just a test message 30
[2012-07-27 18:59:55.671][ERROR][Chase][tid=14972] Error message

我如何配置附录器，以便如果发生警告或更高的话，我会收到带有最后10行的电子邮件，但否则忽略了缓冲区?

其他推荐答案

使用

<threshold value="WARN"/>

<evaluator type="log4net.Core.LevelEvaluator">
   <threshold value="WARN"/>
</evaluator>

似乎不起作用(log4net版本1.2.13.0)...

使用

<lossy value="true" />

当一个人想要获取消息时不好.

其他推荐答案

我会尝试一下:

在log4net?

过滤在其他"方案"中对我很好.

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问题描述

I'm trying to configure a log4net SmtpAppender so that I only get an e-mail if a certain log level is hit, but with the last 10 lines from all levels included. This is my config:

<appender name="EmailAppender" type="SmtpSubjectLayoutAppender">

  <evaluator type="log4net.Core.LevelEvaluator">
    <threshold value="WARN"/>
  </evaluator>

  <bufferSize value="10" />
  <lossy value="false" />

  ...
</appender>

I'm exercising it with this code:

for (var i = 1; i <= 30; i++)
{
    logger.Info("This is just a test message " + i);
}

logger.Error("Error message");

The problem is that I end up getting 3 e-mails, 2 with all the INFO logging and one that has the last few lines that occurred before the ERROR:

[2012-07-27 18:59:55.657][INFO ][Chase][tid=14972] This is just a test message 23
[2012-07-27 18:59:55.659][INFO ][Chase][tid=14972] This is just a test message 24
[2012-07-27 18:59:55.661][INFO ][Chase][tid=14972] This is just a test message 25
[2012-07-27 18:59:55.662][INFO ][Chase][tid=14972] This is just a test message 26
[2012-07-27 18:59:55.664][INFO ][Chase][tid=14972] This is just a test message 27
[2012-07-27 18:59:55.666][INFO ][Chase][tid=14972] This is just a test message 28
[2012-07-27 18:59:55.667][INFO ][Chase][tid=14972] This is just a test message 29
[2012-07-27 18:59:55.670][INFO ][Chase][tid=14972] This is just a test message 30
[2012-07-27 18:59:55.671][ERROR][Chase][tid=14972] Error message

How do I configure the appender so that I get an e-mail with the last 10 lines if WARN or higher occurred, but to ignore the buffer otherwise?

其他推荐答案

Use

<threshold value="WARN"/>

The

<evaluator type="log4net.Core.LevelEvaluator">
   <threshold value="WARN"/>
</evaluator>

seems not to work (log4net version 1.2.13.0) anymore...

Using

<lossy value="true" />

is not good when one does want to get the messages.

其他推荐答案

I'd give this a try:

How do I Filter on a custom Level in log4net?

Filtering works nicely for me in other 'scenarios'.

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