--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/DataFacet.java	Thu Jan 18 18:32:30 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/DataFacet.java	Thu Jan 18 18:33:52 2018 +0100
@@ -104,12 +104,14 @@
      */
     @Override
     public Facet deepCopy() {
+    	// FIXME: why not use the full constructor instead? would also fix the next problem
         DataFacet copy = new DataFacet();
+        // FIXME: usage of internal knowledge of parent class...
+        // Either the set method should be correctly overwritten, or implement a correct copy-constructor!
         copy.set(this);
         copy.type    = type;
         copy.hash    = hash;
         copy.stateId = stateId;
         return copy;
     }
-}
-// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
+}
\ No newline at end of file

--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/states/WDifferencesState.java	Thu Jan 18 18:32:30 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/states/WDifferencesState.java	Thu Jan 18 18:33:52 2018 +0100
@@ -109,6 +109,7 @@
     /**
      * Access the data (wkms) of an artifact, coded in mingle.
      */
+    // FIXME: meanwhile used by several places outside this context; refactor into separate helper class to access waterlevels
     public WKms getWKms(String mingle, CallContext context, double from, double to) {
         log.debug("WDifferencesState.getWKms " + mingle);
         String[] def  = mingle.split(";");

--- a/artifacts/src/main/java/org/dive4elements/river/exports/process/FlowVelocityProcessor.java	Thu Jan 18 18:32:30 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/process/FlowVelocityProcessor.java	Thu Jan 18 18:33:52 2018 +0100
@@ -89,6 +89,9 @@
     @Override
     public String getAxisLabel(DiagramGenerator generator) {
         if (yAxisLabel != null && !yAxisLabel.isEmpty()) {
+        	// FIXME/UNINTENDED: yAxisLabel is probably a resolved message (side-effect of StyledXYSeries#putMetadata),
+        	// and cannot be resolved again.
+        	// An explicit (German) default label is therefore given here, probably the English version will also show German (CHECK)
             return generator.msg(yAxisLabel, I18N_AXIS_LABEL_DEFAULT);
         }
         return generator.msg(

--- a/artifacts/src/main/java/org/dive4elements/river/jfree/StyledXYSeries.java	Thu Jan 18 18:32:30 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/jfree/StyledXYSeries.java	Thu Jan 18 18:33:52 2018 +0100
@@ -137,6 +137,7 @@
 
 
     @Override
+    // FIXME: bad! method with undocumented side-effects; given metadata will be changed inline
     public void putMetaData(Map<String, String> metaData,
         Artifact artifact,
         CallContext context) {
@@ -146,6 +147,7 @@
         String unit = "";
         if (river != null) {
             rivername = river.getName();
+            // FIXME: this will always return the wst unit, regardless if the series is a water level or not!
             unit      = river.getWstUnit().getName();
         }
         if (metaData.containsKey("X")) {

--- a/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/CollectionView.java	Thu Jan 18 18:32:30 2018 +0100
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/CollectionView.java	Thu Jan 18 18:33:52 2018 +0100
@@ -199,6 +199,9 @@
             this.parameterList = new ParameterList(
                 flys,
                 this,
+                // FIXME: literally every information about the artifact is transported from the server side
+                // but... the international name is resolved client-side.... Instead also transport the description of the artifact and use it!
+                // FIXME: the same holds for a very few other international strings (e.g. names of facets used in Tabs)
                 messages.getString(artifact.getName()),
                 artifact);
         }

--- a/gwt-client/src/main/java/org/dive4elements/river/client/server/auth/UserClient.java	Thu Jan 18 18:32:30 2018 +0100
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/server/auth/UserClient.java	Thu Jan 18 18:33:52 2018 +0100
@@ -84,6 +84,8 @@
         account.setAttribute("name", user.getAccount());
 
         //TODO create roles
+        // FIXME: not creating the roles will write an broken xmldocument (only header) into the artifacts db 
+        // which in turn will result in an exception (which is handled)
         artuser.appendChild(account);
         action.appendChild(type);
         action.appendChild(artuser);

--- a/gwt-client/src/main/webapp/WEB-INF/web.xml	Thu Jan 18 18:32:30 2018 +0100
+++ b/gwt-client/src/main/webapp/WEB-INF/web.xml	Thu Jan 18 18:33:52 2018 +0100
@@ -85,6 +85,8 @@
     <url-pattern>/flys/user</url-pattern>
   </servlet-mapping>
 
+  <!-- FIXME: mixing the order of elements here i.e. (servlet - servlet-mapping - servlet) results in errors when validating against the official DTD -->
+
   <servlet>
     <servlet-name>server-info</servlet-name>
     <servlet-class>org.dive4elements.river.client.server.ServerInfoServiceImpl</servlet-class>