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nlogsystem.diagnostics

NLogTraceListener how to output traceOutputOptions

I am using the NLogTraceListener which I found here.

It is defined in my config file as follows:

<sharedListeners>
      <add name="nlog" type="NLog.NLogTraceListener, NLog" traceOutputOptions="Callstack" />
</sharedListeners>

And here is the LayoutRenderer in the nlog.config file:

layout="${longdate} ${logger} ${uppercase:${level}} ${threadid} ${message} ${exception:format=tostring}"

And here is the sample output of an error to the log file:

2018-08-07 06:37:46.3350 System.Net.Sockets ERROR 200 [16956] Exception in Socket#8977203::Connect - An operation was attempted on something that is not a socket 23.96.28.38:443.

How do I get my layout to include the traceOutputOptions (in this case, the callStack)

Solution

  • There is no support for traceOutputOptions in NLogTraceListener.

    Instead you just configure the layout to include the ${callsite}.

    Example:

    layout="${longdate} ${logger} ${uppercase:${level}} ${threadid} ${message} ${exception:format=tostring} ${callsite}"

    See the Wiki for how to configure output options: https://github.com/NLog/NLog/wiki/Callsite-layout-renderer