diff --git a/scm-core/src/main/java/sonia/scm/group/Group.java b/scm-core/src/main/java/sonia/scm/group/Group.java
index 4b288516a6..66cdd6b355 100644
--- a/scm-core/src/main/java/sonia/scm/group/Group.java
+++ b/scm-core/src/main/java/sonia/scm/group/Group.java
@@ -263,22 +263,22 @@ public class Group implements ModelObject, Iterable<String>
   {
     int hash = 7;
 
-    hash = 29 * hash + ((this.creationDate != null)
+    hash = 73 * hash + ((this.creationDate != null)
                         ? this.creationDate.hashCode()
                         : 0);
-    hash = 29 * hash + ((this.description != null)
+    hash = 73 * hash + ((this.description != null)
                         ? this.description.hashCode()
                         : 0);
-    hash = 29 * hash + ((this.lastModified != null)
+    hash = 73 * hash + ((this.lastModified != null)
                         ? this.lastModified.hashCode()
                         : 0);
-    hash = 29 * hash + ((this.members != null)
+    hash = 73 * hash + ((this.members != null)
                         ? this.members.hashCode()
                         : 0);
-    hash = 29 * hash + ((this.name != null)
+    hash = 73 * hash + ((this.name != null)
                         ? this.name.hashCode()
                         : 0);
-    hash = 29 * hash + ((this.type != null)
+    hash = 73 * hash + ((this.type != null)
                         ? this.type.hashCode()
                         : 0);
 
@@ -371,6 +371,7 @@ public class Group implements ModelObject, Iterable<String>
    *
    * @return
    */
+  @Override
   public Long getLastModified()
   {
     return lastModified;
diff --git a/scm-core/src/main/java/sonia/scm/repository/Permission.java b/scm-core/src/main/java/sonia/scm/repository/Permission.java
index a446717cb9..73e6baabc3 100644
--- a/scm-core/src/main/java/sonia/scm/repository/Permission.java
+++ b/scm-core/src/main/java/sonia/scm/repository/Permission.java
@@ -100,6 +100,75 @@ public class Permission implements Serializable
     this.groupPermission = groupPermission;
   }
 
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param obj
+   *
+   * @return
+   */
+  @Override
+  public boolean equals(Object obj)
+  {
+    if (obj == null)
+    {
+      return false;
+    }
+
+    if (getClass() != obj.getClass())
+    {
+      return false;
+    }
+
+    final Permission other = (Permission) obj;
+
+    if (this.groupPermission != other.groupPermission)
+    {
+      return false;
+    }
+
+    if ((this.name == null)
+        ? (other.name != null)
+        : !this.name.equals(other.name))
+    {
+      return false;
+    }
+
+    if (this.type != other.type)
+    {
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public int hashCode()
+  {
+    int hash = 7;
+
+    hash = 97 * hash + (this.groupPermission
+                        ? 1
+                        : 0);
+    hash = 97 * hash + ((this.name != null)
+                        ? this.name.hashCode()
+                        : 0);
+    hash = 97 * hash + ((this.type != null)
+                        ? this.type.hashCode()
+                        : 0);
+
+    return hash;
+  }
+
   //~--- get methods ----------------------------------------------------------
 
   /**
diff --git a/scm-core/src/main/java/sonia/scm/repository/Repository.java b/scm-core/src/main/java/sonia/scm/repository/Repository.java
index 58b37da8cd..165027a635 100644
--- a/scm-core/src/main/java/sonia/scm/repository/Repository.java
+++ b/scm-core/src/main/java/sonia/scm/repository/Repository.java
@@ -157,6 +157,145 @@ public class Repository implements ModelObject
     repository.setUrl(url);
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param obj
+   *
+   * @return
+   */
+  @Override
+  public boolean equals(Object obj)
+  {
+    if (obj == null)
+    {
+      return false;
+    }
+
+    if (getClass() != obj.getClass())
+    {
+      return false;
+    }
+
+    final Repository other = (Repository) obj;
+
+    if ((this.contact == null)
+        ? (other.contact != null)
+        : !this.contact.equals(other.contact))
+    {
+      return false;
+    }
+
+    if ((this.creationDate != other.creationDate)
+        && ((this.creationDate == null)
+            ||!this.creationDate.equals(other.creationDate)))
+    {
+      return false;
+    }
+
+    if ((this.description == null)
+        ? (other.description != null)
+        : !this.description.equals(other.description))
+    {
+      return false;
+    }
+
+    if ((this.id == null)
+        ? (other.id != null)
+        : !this.id.equals(other.id))
+    {
+      return false;
+    }
+
+    if ((this.lastModified != other.lastModified)
+        && ((this.lastModified == null)
+            ||!this.lastModified.equals(other.lastModified)))
+    {
+      return false;
+    }
+
+    if ((this.name == null)
+        ? (other.name != null)
+        : !this.name.equals(other.name))
+    {
+      return false;
+    }
+
+    if ((this.permissions != other.permissions)
+        && ((this.permissions == null)
+            ||!this.permissions.equals(other.permissions)))
+    {
+      return false;
+    }
+
+    if (this.publicReadable != other.publicReadable)
+    {
+      return false;
+    }
+
+    if ((this.type == null)
+        ? (other.type != null)
+        : !this.type.equals(other.type))
+    {
+      return false;
+    }
+
+    if ((this.url == null)
+        ? (other.url != null)
+        : !this.url.equals(other.url))
+    {
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public int hashCode()
+  {
+    int hash = 7;
+
+    hash = 61 * hash + ((this.contact != null)
+                        ? this.contact.hashCode()
+                        : 0);
+    hash = 61 * hash + ((this.creationDate != null)
+                        ? this.creationDate.hashCode()
+                        : 0);
+    hash = 61 * hash + ((this.description != null)
+                        ? this.description.hashCode()
+                        : 0);
+    hash = 61 * hash + ((this.id != null)
+                        ? this.id.hashCode()
+                        : 0);
+    hash = 61 * hash + ((this.lastModified != null)
+                        ? this.lastModified.hashCode()
+                        : 0);
+    hash = 61 * hash + ((this.name != null)
+                        ? this.name.hashCode()
+                        : 0);
+    hash = 61 * hash + ((this.permissions != null)
+                        ? this.permissions.hashCode()
+                        : 0);
+    hash = 61 * hash + (this.publicReadable
+                        ? 1
+                        : 0);
+    hash = 61 * hash + ((this.type != null)
+                        ? this.type.hashCode()
+                        : 0);
+    hash = 61 * hash + ((this.url != null)
+                        ? this.url.hashCode()
+                        : 0);
+
+    return hash;
+  }
+
   /**
    * Method description
    *
diff --git a/scm-core/src/main/java/sonia/scm/user/User.java b/scm-core/src/main/java/sonia/scm/user/User.java
index e48a7ba3c0..bdd070f71c 100644
--- a/scm-core/src/main/java/sonia/scm/user/User.java
+++ b/scm-core/src/main/java/sonia/scm/user/User.java
@@ -210,6 +210,18 @@ public class User implements Principal, ModelObject
 
     final User other = (User) obj;
 
+    if (this.admin != other.admin)
+    {
+      return false;
+    }
+
+    if ((this.creationDate != other.creationDate)
+        && ((this.creationDate == null)
+            ||!this.creationDate.equals(other.creationDate)))
+    {
+      return false;
+    }
+
     if ((this.displayName == null)
         ? (other.displayName != null)
         : !this.displayName.equals(other.displayName))
@@ -217,6 +229,13 @@ public class User implements Principal, ModelObject
       return false;
     }
 
+    if ((this.lastModified != other.lastModified)
+        && ((this.lastModified == null)
+            ||!this.lastModified.equals(other.lastModified)))
+    {
+      return false;
+    }
+
     if ((this.mail == null)
         ? (other.mail != null)
         : !this.mail.equals(other.mail))
@@ -257,21 +276,30 @@ public class User implements Principal, ModelObject
   @Override
   public int hashCode()
   {
-    int hash = 7;
+    int hash = 3;
 
-    hash = 79 * hash + ((this.displayName != null)
+    hash = 37 * hash + (this.admin
+                        ? 1
+                        : 0);
+    hash = 37 * hash + ((this.creationDate != null)
+                        ? this.creationDate.hashCode()
+                        : 0);
+    hash = 37 * hash + ((this.displayName != null)
                         ? this.displayName.hashCode()
                         : 0);
-    hash = 79 * hash + ((this.mail != null)
+    hash = 37 * hash + ((this.lastModified != null)
+                        ? this.lastModified.hashCode()
+                        : 0);
+    hash = 37 * hash + ((this.mail != null)
                         ? this.mail.hashCode()
                         : 0);
-    hash = 79 * hash + ((this.name != null)
+    hash = 37 * hash + ((this.name != null)
                         ? this.name.hashCode()
                         : 0);
-    hash = 79 * hash + ((this.password != null)
+    hash = 37 * hash + ((this.password != null)
                         ? this.password.hashCode()
                         : 0);
-    hash = 79 * hash + ((this.type != null)
+    hash = 37 * hash + ((this.type != null)
                         ? this.type.hashCode()
                         : 0);
 
diff --git a/scm-webapp/src/main/java/sonia/scm/api/rest/resources/AbstractManagerResource.java b/scm-webapp/src/main/java/sonia/scm/api/rest/resources/AbstractManagerResource.java
index 290c08b077..d10abc8145 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/rest/resources/AbstractManagerResource.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/rest/resources/AbstractManagerResource.java
@@ -245,7 +245,7 @@ public abstract class AbstractManagerResource<T extends ModelObject,
     }
     else
     {
-      response = createCacheResponse(request, item);
+      response = createCacheResponse(request, item, item);
     }
 
     return response;
@@ -267,7 +267,7 @@ public abstract class AbstractManagerResource<T extends ModelObject,
 
     if (Util.isNotEmpty(items))
     {
-      prepareForReturn(manager.getAll());
+      items = prepareForReturn(items);
     }
 
     Response response = null;
@@ -278,7 +278,7 @@ public abstract class AbstractManagerResource<T extends ModelObject,
     }
     else
     {
-      response = createCacheResponse(request, items);
+      response = createCacheResponse(request, manager, items);
     }
 
     return response;
@@ -401,14 +401,17 @@ public abstract class AbstractManagerResource<T extends ModelObject,
    *
    *
    * @param request
+   * @param timeItem
    * @param item
+   * @param <I>
    *
    * @return
    */
-  private Response createCacheResponse(Request request, T item)
+  private <I> Response createCacheResponse(Request request,
+          LastModifiedAware timeItem, I item)
   {
     Response.ResponseBuilder builder = null;
-    Date lastModified = getLastModified(item);
+    Date lastModified = getLastModified(timeItem);
     EntityTag e = new EntityTag(Integer.toString(item.hashCode()));
 
     if (lastModified != null)
@@ -430,35 +433,6 @@ public abstract class AbstractManagerResource<T extends ModelObject,
     return builder.build();
   }
 
-  /**
-   * Method description
-   *
-   *
-   * @param request
-   * @param items
-   *
-   * @return
-   */
-  private Response createCacheResponse(Request request, Collection<T> items)
-  {
-    Response.ResponseBuilder builder = null;
-    Date lastModified = getLastModified(manager);
-
-    if (lastModified != null)
-    {
-      builder = request.evaluatePreconditions(lastModified);
-    }
-
-    if (builder == null)
-    {
-      builder = Response.ok(items).lastModified(lastModified);
-    }
-
-    addCacheControl(builder);
-
-    return builder.build();
-  }
-
   //~--- get methods ----------------------------------------------------------
 
   /**
@@ -485,7 +459,7 @@ public abstract class AbstractManagerResource<T extends ModelObject,
   //~--- fields ---------------------------------------------------------------
 
   /** Field description */
-  protected int cacheMaxAge = 1;
+  protected int cacheMaxAge = 0;
 
   /** Field description */
   protected boolean disableCache = false;
diff --git a/scm-webapp/src/main/java/sonia/scm/api/rest/resources/RepositoryResource.java b/scm-webapp/src/main/java/sonia/scm/api/rest/resources/RepositoryResource.java
index 997e204323..8511fb88d9 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/rest/resources/RepositoryResource.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/rest/resources/RepositoryResource.java
@@ -94,7 +94,7 @@ public class RepositoryResource
     this.repositoryManager = repositoryManager;
     this.securityContextProvider = securityContextProvider;
     this.requestProvider = requestProvider;
-    setDisableCache(true);
+    setDisableCache(false);
   }
 
   //~--- methods --------------------------------------------------------------