--- a/src/main/java/de/intevation/lada/data/Repository.java	Fri Jun 07 15:17:18 2013 +0200
+++ b/src/main/java/de/intevation/lada/data/Repository.java	Fri Jun 07 15:18:23 2013 +0200
@@ -1,5 +1,6 @@
 package de.intevation.lada.data;
 
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -42,6 +43,7 @@
      * @return List of objects.
      */
     public <T> List<T> findAll(Class<T> clazz) {
+        this.reset();
         CriteriaBuilder builder = em.getCriteriaBuilder();
         CriteriaQuery<T> criteria = builder.createQuery(clazz);
         Root<T> member = criteria.from(clazz);
@@ -49,6 +51,13 @@
         return em.createQuery(criteria).getResultList();
     }
 
+    public void reset() {
+        this.setSuccess(true);
+        this.setGeneralError(200);
+        this.setErrors(new HashMap<String, Integer>());
+        this.setWarnings(new HashMap<String, Integer>());
+    }
+
     /**
      * Find a single object identified by its id.
      * 
@@ -57,6 +66,7 @@
      * @return The requested object of type clazz
      */
     public <T> T findById(Class<T> clazz, String id) {
+        this.reset();
         T item = em.find(clazz, id);
         if (item == null) {
             this.setGeneralError(600);