--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/DistanceInfoService.java	Thu Apr 14 13:36:06 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/DistanceInfoService.java	Thu Apr 14 13:45:50 2011 +0000
@@ -22,7 +22,9 @@
 import de.intevation.flys.model.Range;
 
 import de.intevation.flys.artifacts.model.AnnotationsFactory;
+import de.intevation.flys.artifacts.model.SessionHolder;
 
+import org.hibernate.Session;
 
 /**
  * This service provides information about distances of a specified river.
@@ -66,24 +68,31 @@
             ArtifactNamespaceContext.NAMESPACE_URI,
             ArtifactNamespaceContext.NAMESPACE_PREFIX);
 
-        List<Annotation> annotations = AnnotationsFactory.getAnnotations(river);
-
-        if (annotations == null || annotations.size() == 0) {
-            logger.warn("No information found for the specified river!");
-            return result;
-        }
-
-        Element all = ec.create("distances");
+        Session session = SessionHolder.acquire();
+        try {
+            List<Annotation> annotations = AnnotationsFactory.getAnnotations(river);
 
-        for (Annotation a: annotations) {
-            Element distance = buildDistanceNode(ec, a);
+            if (annotations == null || annotations.size() == 0) {
+                logger.warn("No information found for the specified river!");
+                return result;
+            }
 
-            if (distance != null) {
-                all.appendChild(distance);
+            Element all = ec.create("distances");
+
+            for (Annotation a: annotations) {
+                Element distance = buildDistanceNode(ec, a);
+
+                if (distance != null) {
+                    all.appendChild(distance);
+                }
             }
+
+            result.appendChild(all);
         }
-
-        result.appendChild(all);
+        finally {
+            session.close();
+            SessionHolder.release();
+        }
 
         return result;
     }