gmane.comp.log.log4net.user

Hsalim | 30 Jul 16:09

Excluding stack trace from Layout


Hi,

I have tried to search for an answer here and tried to understand the
documentation but can't say I have been successful.

I'm using this configuration value for the layout pattern:

<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date %newline [%thread] %newline %-5level :
%message %newline" />
</layout>

This is too much information.  I don't want the stack trace, only
exception.messge and exception.InnerException.

How do I specify that in the layout?  

Thanks in advance for helping.

Habib
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Yann Luppo | 30 Jul 17:47

RE: Excluding stack trace from Layout

I believe the place holder "%message" refers to the data sent when you do log.Debug(message). I think it's
more about how you build the message in the logger that matter in your case. Try to send us your logger call
maybe. 

Yann 

-----Original Message-----
From: Hsalim [mailto:hsalim <at> msn.com] 
Sent: Wednesday, July 30, 2008 7:11 AM
To: log4net-user <at> logging.apache.org
Subject: Excluding stack trace from Layout

Hi,

I have tried to search for an answer here and tried to understand the
documentation but can't say I have been successful.

I'm using this configuration value for the layout pattern:

<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date %newline [%thread] %newline %-5level :
%message %newline" />
</layout>

This is too much information.  I don't want the stack trace, only
exception.messge and exception.InnerException.

How do I specify that in the layout?

(Continue reading)

headers

Hsalim | 30 Jul 18:55

RE: Excluding stack trace from Layout


Yann,
Thanks for the reply.
I guess I could do

catch (Exception ex)
{
if (log.IsWarnEnabled)
 log.Warn(string.Format("Error blah {0}:{1}\n{2}\n{3}", key1, key2,
ex.Message, ex.InnerException));				
}

Instead, I would prefer to pass in the exception 
log.Warn(string.Format("error blah {0}:{1}", key1,key2 ), ex);

I want to use an exception layout to selectively log parts of the exception.
I'll use a text file appender to log the stack trace and every gory detail
and use an SMTP appender to semd me just the exception message and
InnerException.  And I can change what gets logged at any time.

I see from the SDK that there is an exception layout but I just cant figure
out what I need to do.

regards
Habib

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"Freddy =?iso-8859-1?q?G=F3mez=22?= | 31 Jul 01:42

Re: Excluding stack trace from Layout

Although you solved you problem by parsing the exception I'll give you an alternative to do such a job.

You can implement a Renderer (a class which implements the interface IObjectRenderer) for your exception and put the information you want about the exception. Then, you just have to add a <renderer renderingClass="MyClass.MyRenderer" renderedClass="Exception" /> element to the config file.

regards,

Fred

On Wed, Jul 30, 2008 at 12:25 PM, Hsalim <hsalim <at> msn.com> wrote:

Yann,
Thanks for the reply.
I guess I could do

catch (Exception ex)
{
if (log.IsWarnEnabled)
log.Warn(string.Format("Error blah {0}:{1}\n{2}\n{3}", key1, key2,
ex.Message, ex.InnerException));
}

Instead, I would prefer to pass in the exception
log.Warn(string.Format("error blah {0}:{1}", key1,key2 ), ex);

I want to use an exception layout to selectively log parts of the exception.
I'll use a text file appender to log the stack trace and every gory detail
and use an SMTP appender to semd me just the exception message and
InnerException. And I can change what gets logged at any time.

I see from the SDK that there is an exception layout but I just cant figure
out what I need to do.

regards
Habib

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Hsalim | 31 Jul 07:22

Re: Excluding stack trace from Layout


Thanks.  I am still too new to this world and still mulling my way through.

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