diff --git a/jeeutil/src/main/java/de/muehlencord/shared/jeeutil/AuthenticationFilter.java b/jeeutil/src/main/java/de/muehlencord/shared/jeeutil/AuthenticationFilter.java
index 78c0a9e..1d0ea0e 100644
--- a/jeeutil/src/main/java/de/muehlencord/shared/jeeutil/AuthenticationFilter.java
+++ b/jeeutil/src/main/java/de/muehlencord/shared/jeeutil/AuthenticationFilter.java
@@ -42,7 +42,7 @@ public class AuthenticationFilter implements Filter {
     public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
 
         if ((loginPage == null) || (errorPage == null)) {
-            returnError(request, response, "AuthenticationFilter not properly configured! Contact Administrator.");
+            returnError(response, "AuthenticationFilter not properly configured! Contact Administrator.");
         }
 
         User currentUser = null;
@@ -51,7 +51,7 @@ public class AuthenticationFilter implements Filter {
         if (session != null) {
             if (session.getAttribute(USER) != null) {
                 currentUser = (User) session.getAttribute(USER);
-                LOGGER.debug ("found "+currentUser); 
+                LOGGER.debug("found " + currentUser);
             } else {
                 LOGGER.debug("No active session found - going to force login");
                 filterConfig.getServletContext().getRequestDispatcher(loginPage).forward(request, response);
@@ -74,10 +74,8 @@ public class AuthenticationFilter implements Filter {
         this.filterConfig = null;
     }
 
-    private void returnError(ServletRequest request, ServletResponse response, String errorMsg) {
+    private void returnError(ServletResponse response, String errorMsg) {
         response.setContentType("text/html");
-
-
         try (
                 ServletOutputStream servletOutputStream = response.getOutputStream();
                 PrintStream ps = new PrintStream(servletOutputStream);
diff --git a/util/src/main/java/de/muehlencord/shared/util/file/FileUtil.java b/util/src/main/java/de/muehlencord/shared/util/file/FileUtil.java
index 4e95311..184b11a 100644
--- a/util/src/main/java/de/muehlencord/shared/util/file/FileUtil.java
+++ b/util/src/main/java/de/muehlencord/shared/util/file/FileUtil.java
@@ -145,7 +145,7 @@ public abstract class FileUtil {
         try {
             md = MessageDigest.getInstance("MD5");
         } catch (NoSuchAlgorithmException ex) {
-            throw new IOException("Cannot get MD5 MessageDigest instance");
+            throw new IOException("Cannot get MD5 MessageDigest instance. Reason: "+ex.toString(), ex);
         }
 
         try (InputStream is = Files.newInputStream(Paths.get(fileName));