英文:
Logback: perform custom action on ERROR level log
问题
使用logback，我正在寻找一种方法，在发生一定数量的错误日志时执行自定义操作。过去，使用log4j，我可以通过子类化某些日志记录器基类或实现某些日志记录器接口（我不记得确切的方式）来实现这一点。在我的logback搜索中，我还没有找到相同的功能。
有没有人知道一种方法（我有一个Spring Boot应用程序）可以做到这一点？基本上，我想捕获所有错误日志的字符串消息，搜索特定文本，然后对它们进行计数，当达到阈值时，发布一个自定义的Prometheus指标。
只是寻找要子类化/实现的内容，不是完整的解决方案。
谢谢
英文:
With logback, I am looking for a way to perform a custom action every time a certain number of ERROR logs occurs. In the past, with log4j, I was able to do this by either subclassing some logger base class or implementing some logger interface (I can't remember exactly). I haven't been able to find the same functionality with my searches for logback.
Does anyone know a way (I have a spring boot application) to do this? Basically I want to capture the string message of all ERROR logs, search for specific text, and then count them and when a threshold is reached, publish a custom Prometheus metric.
Just looking for the thing to subclass/implement here, not a full solution.
Thank you
答案1
得分: 0
Logback中可能有很多选项，但扩展一个appender效果很好。类似于ch.qos.logback.classic.AsyncAppender，它实现了ch.qos.logback.core.spi.AppenderAttachable。
我做了这个，不打算贴出整个解决方案，因为你不需要，但你可以看看AsyncAppender，我基本上做了同样的事情：
class MyOwnAppender extends UnsynchronizedAppenderBase<ILoggingEvent> implements AppenderAttachable<ILoggingEvent>
英文:
Probably many options in Logback, but extending an appender works nice. Something like ch.qos.logback.classic.AsyncAppender that implements ch.qos.logback.core.spi.AppenderAttachable.
I did this, not gonna post the whole solution since you don't want that, but you can look at the AsyncAppender, I basically did the same thing:
class MyOwnAppender extends UnsynchronizedAppenderBase<ILoggingEvent> implements AppenderAttachable<ILoggingEvent>
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