NLog unexpectedly writing to log with lower level restriction - log level being ignored












0














I'm confused by NLog logging level fallbacks. I have this set of rules:



  <rules>
<!-- Send Microsoft into a black hole to hide their logs -->
<logger name="Microsoft.*" maxLevel="Warn" final="true" />
<logger name="commands" minlevel="Info" writeTo="logger" final="true" />
<logger name="*" minlevel="Trace" writeTo="logger" />
<logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
</rules>


What I expect to happen is that anything with a logger name of "commands" will only be logged at Info level or above. Any other logger name will be logged regardless.



What's happening is that when I get the logger for "commands" and I check its properties every log level is enabled, so if I provide a log level of Debug, then it's still logged. From what I understand, this shouldn't be the case.



I think this is something to do with my fallback logger (the name="*") I believe the "final=true" on the "commmand" logger should any further logging checks.



This is running in .net core



Am I misunderstanding how this works?










share|improve this question






















  • You can read about logging-rules here: github.com/NLog/NLog/wiki/Configuration-file#rules . They are evaluated from top to bottom, and final will stop further evaluation. But when using minLevel="Info" with final="true" then it will only stop the logevents with that loglevel (or higher like Warn+Error). Will not stop LogEvents with LogLevel.Trace or Debug from flowing down to the next rules that has minLevel="Trace".
    – Rolf Kristensen
    Nov 20 '18 at 18:43


















0














I'm confused by NLog logging level fallbacks. I have this set of rules:



  <rules>
<!-- Send Microsoft into a black hole to hide their logs -->
<logger name="Microsoft.*" maxLevel="Warn" final="true" />
<logger name="commands" minlevel="Info" writeTo="logger" final="true" />
<logger name="*" minlevel="Trace" writeTo="logger" />
<logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
</rules>


What I expect to happen is that anything with a logger name of "commands" will only be logged at Info level or above. Any other logger name will be logged regardless.



What's happening is that when I get the logger for "commands" and I check its properties every log level is enabled, so if I provide a log level of Debug, then it's still logged. From what I understand, this shouldn't be the case.



I think this is something to do with my fallback logger (the name="*") I believe the "final=true" on the "commmand" logger should any further logging checks.



This is running in .net core



Am I misunderstanding how this works?










share|improve this question






















  • You can read about logging-rules here: github.com/NLog/NLog/wiki/Configuration-file#rules . They are evaluated from top to bottom, and final will stop further evaluation. But when using minLevel="Info" with final="true" then it will only stop the logevents with that loglevel (or higher like Warn+Error). Will not stop LogEvents with LogLevel.Trace or Debug from flowing down to the next rules that has minLevel="Trace".
    – Rolf Kristensen
    Nov 20 '18 at 18:43
















0












0








0







I'm confused by NLog logging level fallbacks. I have this set of rules:



  <rules>
<!-- Send Microsoft into a black hole to hide their logs -->
<logger name="Microsoft.*" maxLevel="Warn" final="true" />
<logger name="commands" minlevel="Info" writeTo="logger" final="true" />
<logger name="*" minlevel="Trace" writeTo="logger" />
<logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
</rules>


What I expect to happen is that anything with a logger name of "commands" will only be logged at Info level or above. Any other logger name will be logged regardless.



What's happening is that when I get the logger for "commands" and I check its properties every log level is enabled, so if I provide a log level of Debug, then it's still logged. From what I understand, this shouldn't be the case.



I think this is something to do with my fallback logger (the name="*") I believe the "final=true" on the "commmand" logger should any further logging checks.



This is running in .net core



Am I misunderstanding how this works?










share|improve this question













I'm confused by NLog logging level fallbacks. I have this set of rules:



  <rules>
<!-- Send Microsoft into a black hole to hide their logs -->
<logger name="Microsoft.*" maxLevel="Warn" final="true" />
<logger name="commands" minlevel="Info" writeTo="logger" final="true" />
<logger name="*" minlevel="Trace" writeTo="logger" />
<logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
</rules>


What I expect to happen is that anything with a logger name of "commands" will only be logged at Info level or above. Any other logger name will be logged regardless.



What's happening is that when I get the logger for "commands" and I check its properties every log level is enabled, so if I provide a log level of Debug, then it's still logged. From what I understand, this shouldn't be the case.



I think this is something to do with my fallback logger (the name="*") I believe the "final=true" on the "commmand" logger should any further logging checks.



This is running in .net core



Am I misunderstanding how this works?







nlog






share|improve this question













share|improve this question











share|improve this question




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asked Nov 20 '18 at 12:19









GrahamB

456721




456721












  • You can read about logging-rules here: github.com/NLog/NLog/wiki/Configuration-file#rules . They are evaluated from top to bottom, and final will stop further evaluation. But when using minLevel="Info" with final="true" then it will only stop the logevents with that loglevel (or higher like Warn+Error). Will not stop LogEvents with LogLevel.Trace or Debug from flowing down to the next rules that has minLevel="Trace".
    – Rolf Kristensen
    Nov 20 '18 at 18:43




















  • You can read about logging-rules here: github.com/NLog/NLog/wiki/Configuration-file#rules . They are evaluated from top to bottom, and final will stop further evaluation. But when using minLevel="Info" with final="true" then it will only stop the logevents with that loglevel (or higher like Warn+Error). Will not stop LogEvents with LogLevel.Trace or Debug from flowing down to the next rules that has minLevel="Trace".
    – Rolf Kristensen
    Nov 20 '18 at 18:43


















You can read about logging-rules here: github.com/NLog/NLog/wiki/Configuration-file#rules . They are evaluated from top to bottom, and final will stop further evaluation. But when using minLevel="Info" with final="true" then it will only stop the logevents with that loglevel (or higher like Warn+Error). Will not stop LogEvents with LogLevel.Trace or Debug from flowing down to the next rules that has minLevel="Trace".
– Rolf Kristensen
Nov 20 '18 at 18:43






You can read about logging-rules here: github.com/NLog/NLog/wiki/Configuration-file#rules . They are evaluated from top to bottom, and final will stop further evaluation. But when using minLevel="Info" with final="true" then it will only stop the logevents with that loglevel (or higher like Warn+Error). Will not stop LogEvents with LogLevel.Trace or Debug from flowing down to the next rules that has minLevel="Trace".
– Rolf Kristensen
Nov 20 '18 at 18:43














1 Answer
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Maybe this will work:



  <rules>
<!-- Send Microsoft into a black hole to hide their logs -->
<logger name="Microsoft.*" maxLevel="Warn" final="true" />
<logger name="commands" maxLevel="Debug" final="true" />

<logger name="commands" minlevel="Info" writeTo="logger" final="true" />
<logger name="*" minlevel="Trace" writeTo="logger" />
<logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
</rules>





share|improve this answer





















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    Maybe this will work:



      <rules>
    <!-- Send Microsoft into a black hole to hide their logs -->
    <logger name="Microsoft.*" maxLevel="Warn" final="true" />
    <logger name="commands" maxLevel="Debug" final="true" />

    <logger name="commands" minlevel="Info" writeTo="logger" final="true" />
    <logger name="*" minlevel="Trace" writeTo="logger" />
    <logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
    </rules>





    share|improve this answer


























      1














      Maybe this will work:



        <rules>
      <!-- Send Microsoft into a black hole to hide their logs -->
      <logger name="Microsoft.*" maxLevel="Warn" final="true" />
      <logger name="commands" maxLevel="Debug" final="true" />

      <logger name="commands" minlevel="Info" writeTo="logger" final="true" />
      <logger name="*" minlevel="Trace" writeTo="logger" />
      <logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
      </rules>





      share|improve this answer
























        1












        1








        1






        Maybe this will work:



          <rules>
        <!-- Send Microsoft into a black hole to hide their logs -->
        <logger name="Microsoft.*" maxLevel="Warn" final="true" />
        <logger name="commands" maxLevel="Debug" final="true" />

        <logger name="commands" minlevel="Info" writeTo="logger" final="true" />
        <logger name="*" minlevel="Trace" writeTo="logger" />
        <logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
        </rules>





        share|improve this answer












        Maybe this will work:



          <rules>
        <!-- Send Microsoft into a black hole to hide their logs -->
        <logger name="Microsoft.*" maxLevel="Warn" final="true" />
        <logger name="commands" maxLevel="Debug" final="true" />

        <logger name="commands" minlevel="Info" writeTo="logger" final="true" />
        <logger name="*" minlevel="Trace" writeTo="logger" />
        <logger name="exception" minlevel="Error" writeTo="publisher" final="true" />
        </rules>






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 20 '18 at 18:45









        Rolf Kristensen

        5,1952435




        5,1952435






























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