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OSGi and Log4j Errors in Server Log

Problem

While reviewing the server log, you may see multiple errors related to OSGi and Log4j , for example:
...
2015 03 27 16:09:39#+0800#ERROR#org.osgi.service.log.LogService##anonymous#org.eclipse.virgo.medic.log.osgi.OSGiLogServiceListener@4d10ed49###Bundle com.sap.it.ictools.mapping.core.valuemapping_1.16.3, [SCR] Component definition XMLs not found in bundle com.sap.it.ictools.mapping.core.valuemapping. The component header value is OSGI-INF/*.xml |
2015 03 27 16:09:39#+0800#ERROR#org.osgi.service.log.LogService##anonymous#org.eclipse.virgo.medic.log.osgi.OSGiLogServiceListener@4d10ed49###Bundle org.eclipse.equinox.ds_1.4.0.v20120112-1400, [SCR] Component definition XMLs not found in bundle com.sap.it.ictools.mapping.core.valuemapping. The component header value is OSGI-INF/*.xml |
...
2015 03 27 16:10:31#+0800#ERROR#System.err##anonymous#Start Level Event Dispatcher###log4j:WARN No appenders could be found for logger (com.sap.mobile.platform.server.general.dbstatus.Activator). |
2015 03 27 16:10:31#+0800#ERROR#System.err##anonymous#Start Level Event Dispatcher###log4j:WARN Please initialize the log4j system properly. |
2015 03 27 16:10:31#+0800#ERROR#System.err##anonymous#Start Level Event Dispatcher###log4j:WARN 
...

These messages are expected, and do not indicate a problem with SAP Mobile Platform.