| Re: [lyo-dev] Eclipse Lyo Trace/Debug Logging |
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There are no special docs on logging, you did everything right. There are a few things worth noting (I am partly responsible for that):
* Old Jena versions used to depend on log4j12, slf4j-api, slf4j-log4j12 (yep). So I have just excluded everything except slf4j-api. This might inadvertently impact your jena logging. You might need to use http://mvnrepository.com/artifact/org.slf4j/log4j-over-slf4j to
see some extra Jena warnings (not tested, we have finished migration from 2.13 to 3.0.1 some time ago and now migrating to 3.6.0 to provide JSON-LD support and all problems are solved there).
* I just stumbled on some java.util.Logger imports in Lyo (btw, which version of lyo are you running?), so I might have not cleaned everything up (https://github.com/eclipse/lyo.core/search?utf8=%E2%9C%93&q=java.util.Logging&type=).
I would suggest trying jul-over-slf4j plus this code in the initialisation section:
SLF4JBridgeHandler.removeHandlersForRootLogger();
SLF4JBridgeHandler.install();
java.util.logging.Logger.getLogger("").setLevel(Level.FINEST);
–Andrew.
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