log4net error when calling mdlSystem_newDesignFile in MicroStation 10.15.00.74

All,

We have a legacy MicroStation application which has been problem-free but which was recently tested running on MicroStation 10.15.00.74.  The application runs as an INITAPP and never calls mdlSystem_enterGraphics.  Upon calling mdlSystem_newDesignFile, the following error is displayed in the Text Window:

log4net:ERROR XmlHierarchyConfigurator: Cannot find Property [createpath] to set object on [log4net.Appender.RollingFileAppender]

Any idea what could cause this behavior and/or possible workarounds?

TIA

Steve

Parents Reply
  • Hi ,

    Thank you for reporting this issue.  We have confirmed this and discovered this was an accidental development debug trace that remained enabled.  Hopefully the next product update(s) should remove this trace alert from being visible.

    Perhaps can tell us the purpose of log4net?

    Hi ,

    Log4J, Log4net and Log4cxx (cpp) are all similar industrial grade logging systems a number of Bentley products have implemented to various degrees over the years.  The fundamental concept is that a product implements a centralized logger that is easily configured using one or more application (category) XML files. The product initializes the logger and then applications can participate in attaching to the primary logger and producing high frequency/volume logging and written to one of many preferred standardized output streams (txt, xml, stream, databases, etc.).  We use these logging systems heavily in our ProjectWise client and server applications and can be used to create multi-million lines of sequenced logging in very short periods of time if/as needed.

    Thank you and HTH,
    Bob

    [UPDATE-20220303-RH: New conditions related to certain MS_DESIGN_HISTORY value combinations have been identified as a trigger. A new Bug 812993 has been filed to address the behaviors found and to become available in a future build - again, hopefully the next Commercial Release (CR).



    Answer Verified By: Steve Salata 

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