During debugging I see that my classpath contains an older version of jboss-logmanager. The greatest version actual is 1.4.1.Final. I don't know if this a conf bug or feature ;-)
| <dependency> | |
| <groupId>org.jboss.logmanager</groupId> | |
| <artifactId>jboss-logmanager</artifactId> | |
| <version>1.2.2.GA</version> | |
| </dependency> |