diff --git a/eidas-middleware/src/main/java/de/governikus/eumw/eidasmiddleware/controller/RequestReceiver.java b/eidas-middleware/src/main/java/de/governikus/eumw/eidasmiddleware/controller/RequestReceiver.java
index 08660212..7b01785b 100644
--- a/eidas-middleware/src/main/java/de/governikus/eumw/eidasmiddleware/controller/RequestReceiver.java
+++ b/eidas-middleware/src/main/java/de/governikus/eumw/eidasmiddleware/controller/RequestReceiver.java
@@ -176,8 +176,6 @@ private ModelAndView showErrorPage(String errorMessage)
    */
   private ModelAndView showMiddlewarePage(String sessionId, String userAgent)
   {
-    try
-    {
       String ausweisappLink;
       if (isMobileDevice(userAgent))
       {
@@ -192,17 +190,12 @@ private ModelAndView showMiddlewarePage(String sessionId, String userAgent)
       String tcTokenURL = requestHandler.getTcTokenURL(sessionId);
       modelAndView.addObject("tcTokenURL", tcTokenURL);
 
-      ausweisappLink = ausweisappLink.concat(URLEncoder.encode(tcTokenURL, StandardCharsets.UTF_8.name()));
+      ausweisappLink = ausweisappLink.concat(URLEncoder.encode(tcTokenURL, StandardCharsets.UTF_8));
       modelAndView.addObject("ausweisapp", ausweisappLink);
 
       String linkToSelf = ContextPaths.EIDAS_CONTEXT_PATH + ContextPaths.REQUEST_RECEIVER + "?sessionId=" + sessionId;
       modelAndView.addObject("linkToSelf", linkToSelf);
       return modelAndView;
-    }
-    catch (UnsupportedEncodingException e)
-    {
-      return showErrorPage(e.getMessage());
-    }
   }
 
   private ModelAndView showSamlErrorPage(ErrorCodeWithResponseException e, String relayState)
diff --git a/eidas-middleware/src/test/java/de/governikus/eumw/eidasmiddleware/controller/RequestReceiverTest.java b/eidas-middleware/src/test/java/de/governikus/eumw/eidasmiddleware/controller/RequestReceiverTest.java
index 57f15206..1aa80312 100644
--- a/eidas-middleware/src/test/java/de/governikus/eumw/eidasmiddleware/controller/RequestReceiverTest.java
+++ b/eidas-middleware/src/test/java/de/governikus/eumw/eidasmiddleware/controller/RequestReceiverTest.java
@@ -69,7 +69,7 @@ void testDoGetShouldReturnLandingPage() throws Exception
     ModelMap modelMap = landingPage.getModelMap();
     Assertions.assertEquals(3, modelMap.size());
     Assertions.assertEquals(EID_CLIENT_URL
-                            + URLEncoder.encode(TC_TOKEN_URL + REQUEST_ID, StandardCharsets.UTF_8.name()),
+                            + URLEncoder.encode(TC_TOKEN_URL + REQUEST_ID, StandardCharsets.UTF_8),
                             modelMap.getAttribute("ausweisapp"));
     Assertions.assertEquals(ContextPaths.EIDAS_CONTEXT_PATH + ContextPaths.REQUEST_RECEIVER + "?sessionId="
                             + REQUEST_ID,
@@ -88,7 +88,7 @@ void testDoGetWithSessionIdShouldReturnLandingPage() throws Exception
     ModelMap modelMap = landingPage.getModelMap();
     Assertions.assertEquals(3, modelMap.size());
     Assertions.assertEquals(EID_CLIENT_URL
-                            + URLEncoder.encode(TC_TOKEN_URL + REQUEST_ID, StandardCharsets.UTF_8.name()),
+                            + URLEncoder.encode(TC_TOKEN_URL + REQUEST_ID, StandardCharsets.UTF_8),
                             modelMap.getAttribute("ausweisapp"));
     Assertions.assertEquals(ContextPaths.EIDAS_CONTEXT_PATH + ContextPaths.REQUEST_RECEIVER + "?sessionId="
                             + REQUEST_ID,
@@ -197,7 +197,7 @@ void testDoPostShouldReturnLandingPage() throws Exception
     ModelMap modelMap = landingPage.getModelMap();
     Assertions.assertEquals(3, modelMap.size());
     Assertions.assertEquals(EID_CLIENT_MOBIL_URL
-                            + URLEncoder.encode(TC_TOKEN_URL + REQUEST_ID, StandardCharsets.UTF_8.name()),
+                            + URLEncoder.encode(TC_TOKEN_URL + REQUEST_ID, StandardCharsets.UTF_8),
                             modelMap.getAttribute("ausweisapp"));
     Assertions.assertEquals(ContextPaths.EIDAS_CONTEXT_PATH + ContextPaths.REQUEST_RECEIVER + "?sessionId="
                             + REQUEST_ID,
diff --git a/eidas-starterkit/src/test/java/de/governikus/eumw/eidasstarterkit/person_attributes/natural_persons_attribute/DateOfBirthAttributeTest.java b/eidas-starterkit/src/test/java/de/governikus/eumw/eidasstarterkit/person_attributes/natural_persons_attribute/DateOfBirthAttributeTest.java
index 798e8cc0..d8fff507 100644
--- a/eidas-starterkit/src/test/java/de/governikus/eumw/eidasstarterkit/person_attributes/natural_persons_attribute/DateOfBirthAttributeTest.java
+++ b/eidas-starterkit/src/test/java/de/governikus/eumw/eidasstarterkit/person_attributes/natural_persons_attribute/DateOfBirthAttributeTest.java
@@ -53,7 +53,7 @@ void testDateOfBirthAttributeString(String testDate) throws Exception
     ByteArrayOutputStream bout = new ByteArrayOutputStream();
     trans.transform(new DOMSource(all), new StreamResult(bout));
 
-    String attrString = new String(bout.toByteArray(), StandardCharsets.UTF_8.name());
+    String attrString = bout.toString(StandardCharsets.UTF_8);
     assertTrue(attrString.contains(testDate));
   }
 }