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Configuring log4j.properties

Written By: Neil Jansen
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    • In this guide, we'll be setting up the debug logging configuration for OpenPnP.

    • OpenPnP uses a framework called log4j that does the heavy lifting of logging debug data.

    • The configuration file that contains which bits of information are logged, is contained in log4j.properties, which is located in the .openpnp directory.

    Edit

  2. Open the file in a decent text editor.
    Edit

    • A lot of stuff can be ignored in this file for now, but we will change a few things from info level to debug level. This will log more stuff to the console that can be helpful for debug logging.

    • Turn on driver debug logging by finding the line that says log4j.logger.org.openpnp.machine.reference.driver and change the info string to debug.

    Edit

    • At this point, you can run OpenPnP and it will log some data to .openpnp/log

    Edit

  6. Navigate to the .openpnp/log directory, and locate the latest log (it's helpful to sort by time).

    • Navigate to the .openpnp/log directory, and locate the latest log (it's helpful to sort by time).

    • Load it in a text editor.

    • You will see that log4j has logged debug-level information out to this file. This information will come in handy for troubleshooting purposes.

    Edit
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One other person completed this guide.

Author

Neil Jansen

Member since: 12/28/2014

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