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In this guide, we'll be setting up the debug logging configuration for OpenPnP.
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OpenPnP uses a framework called log4j that does the heavy lifting of logging debug data.
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The configuration file that contains which bits of information are logged, is contained in log4j.properties, which is located in the .openpnp directory.
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Open the file in a decent text editor.
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We recommend Sublime Text 2.
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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.
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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.
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At this point, you can run OpenPnP and it will log some data to .openpnp/log
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Navigate to the .openpnp/log directory, and locate the latest log (it's helpful to sort by time).
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Load it in a text editor.
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You will see that log4j has logged debug-level information out to this file. This information will come in handy for troubleshooting purposes.
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