Error introduced by 22ec38143d9a8638f37acbb4e3c1e0743deb5522 resolved.
diff --git a/org.eclipse.scout.rt.shared/src/org/eclipse/scout/rt/shared/servicetunnel/LenientPermissionWrapper.java b/org.eclipse.scout.rt.shared/src/org/eclipse/scout/rt/shared/servicetunnel/LenientPermissionWrapper.java
index e0a6c1c..6248af7 100644
--- a/org.eclipse.scout.rt.shared/src/org/eclipse/scout/rt/shared/servicetunnel/LenientPermissionWrapper.java
+++ b/org.eclipse.scout.rt.shared/src/org/eclipse/scout/rt/shared/servicetunnel/LenientPermissionWrapper.java
@@ -62,18 +62,17 @@
     out.writeFields();
   }
 
-  private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
+  private void readObject(final ObjectInputStream in) throws IOException, ClassNotFoundException {
     //no call to defaultReadObject
-    final BundleObjectInputStream bundleIn = (in instanceof BundleObjectInputStream ? (BundleObjectInputStream) in : null);
     try {
       ObjectInputStream.GetField gfields = in.readFields();
       m_className = (String) gfields.get("m_className", (String) null);
       byte[] data = (byte[]) gfields.get("m_permission", (byte[]) null);
-      //
+
       ObjectInputStream localIn = new ObjectInputStream(new ByteArrayInputStream(data)) {
         @Override
         protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
-          return bundleIn != null ? bundleIn.resolveClass(desc) : Class.forName(desc.getName());
+          return (in instanceof BundleObjectInputStream) ? ((BundleObjectInputStream) in).resolveClass(desc) : Class.forName(desc.getName());
         }
       };
       try {
@@ -86,11 +85,5 @@
     catch (Throwable t) {
       LOG.warn("cannot deserialize permission", t);
     }
-    finally {
-      if (bundleIn != null) {
-        bundleIn.close();
-      }
-    }
   }
-
 }