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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I am thoroughly confused by the different logging facades. I am trying to get debug messages from org.apache.xml.security.utils.DigesterOutputStream.class which is being called by opensaml apis. OpenSaml uses SLF4J. I am not sure what needs to be in my classpath and what shouldn’t be there. I added the logback classic and logback core and jcl-over-slf4j. I don’t see any messages. If I put following line in my code:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoPlainText>org.apache.commons.logging.Log log = LogFactory.getLog(org.apache.xml.security.utils.DigesterOutputStream.class);<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I find that the log object contains a logger which is an instance of org.slf4j.helpers.NOPLogger(NOP). <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Can you please help me to get the set up right?<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Thanks.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>