--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/WMSHydrBoundaryArtifact.java	Fri Feb 25 17:17:56 2022 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/WMSHydrBoundaryArtifact.java	Wed Mar 02 10:26:50 2022 +0100
@@ -10,7 +10,8 @@
 
 import java.util.List;
 
-import org.apache.log4j.Logger;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 
 import com.vividsolutions.jts.geom.Envelope;
 
@@ -33,7 +34,7 @@
 
 
     private static final Logger log =
-        Logger.getLogger(WMSHydrBoundaryArtifact.class);
+        LogManager.getLogger(WMSHydrBoundaryArtifact.class);
 
 
     @Override
@@ -65,7 +66,7 @@
         extends WMSDBState implements FacetTypes
     {
         private static final Logger log =
-            Logger.getLogger(HydrBoundaryState.class);
+            LogManager.getLogger(HydrBoundaryState.class);
 
         protected int riverId;