Description of problem:

Because I went through some sources for REST API (e.g. https://github.com/droolsjbpm/kie-wb-common/blob/master/kie-wb-common-services/kie-wb-common-rest/src/main/java/org/kie/workbench/common/services/rest/ProjectResource.java) where are system outs and deeper are loggers with info and errors, I didn't notice about anything what should be logged in console and even errors weren't logged.

To fix it I had to remove log4j.xml from WEB-INF and probably it would be better to use the log4j jar from module (<module name="org.apache.log4j" />) loaded by jboss-deployment-structure.xml.

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