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I have a sbt project, and I work with MongoDB (Driver Casbah).

I want to have logs on my application, so I tried to use Logback Framework. It works but I don't understand exactly what my code is doing..

here is my code for logs :

def logger = LoggerFactory.getLogger("Test log")
StatusPrinter.print(LoggerFactory.getILoggerFactory.asInstanceOf[LoggerContext])
logger.info("Azuken")

and here is my logs : 

14:36:16.616 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Registering Scala Conversions.
14:36:16.633 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Deserializers for Scala Conversions registering
14:36:16.641 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Serializers for Scala Conversions registering
14:36:16.647 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Setting up OptionSerializer
14:36:16.658 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Setting up ScalaCollectionSerializer
14:36:16.669 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Setting up ScalaRegexSerializers
14:36:16.677 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Hooking up scala.util.matching.Regex serializer
14:36:16.683 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Reached base registration method on MongoConversionHelper.
14:36:17.056 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Registering Scala Conversions.
14:36:17.059 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Deserializers for Scala Conversions registering
14:36:17.063 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Serializers for Scala Conversions registering
14:36:17.067 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Setting up OptionSerializer
14:36:17.071 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Setting up ScalaCollectionSerializer
14:36:17.079 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Setting up ScalaRegexSerializers
14:36:17.083 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Hooking up scala.util.matching.Regex serializer
14:36:17.087 [run-main] DEBUG c.m.c.c.c.s.RegisterConversionHelpers$ - Reached base registration method on MongoConversionHelper.

I've seen that is MongoDB actions, but I don't understand which line of my code do what...

Any explanations ? I've searched on the web but I've not found a good explanation.

Azuken
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1 Answers1

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Theres lots of debug logging in Casbah, the logging you are seeing are the automatic handling that ensures scala types are handled and registered for BSON encoding / decoding.

Ross
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  • Okay, but why it's still displayed while I comment my code ? Before I had no log messages from MongoDB – Azuken Oct 15 '13 at 14:00
  • Can you clarify what you mean? Or provide a full example so I can replicate? – Ross Oct 15 '13 at 14:14
  • First I haven't used logs in my application, so when I executed my program, no logs were displayed. But since I implemented Logback code, it show me logs in the console, even if I delete Logback code ; do you know what I mean ? – Azuken Oct 15 '13 at 14:37