diff --git a/pom.xml b/pom.xml
index 800e283..f1f0390 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>de.pdv.apex</groupId>
     <artifactId>fop4apex</artifactId>
-    <version>0.10.2-SNAPSHOT</version>
+    <version>0.10.3-SNAPSHOT</version>
     <name>fop4apex</name>
     <packaging>war</packaging>
     <url>https://www.pdv.de</url>
diff --git a/src/main/java/de/pdv/apex/PdfServlet.java b/src/main/java/de/pdv/apex/PdfServlet.java
index 5395966..5aa725b 100644
--- a/src/main/java/de/pdv/apex/PdfServlet.java
+++ b/src/main/java/de/pdv/apex/PdfServlet.java
@@ -99,8 +99,8 @@ public class PdfServlet extends HttpServlet {
 
             if (logger.isLoggable(Level.FINEST)) {
                 logger.log(Level.FINEST, String.format("Working directory: %s", new File("dummy1.txt").getAbsolutePath()));
-                logger.log(Level.FINEST, String.format("Template file: %s", templateFile));
-                logger.log(Level.FINEST, String.format("Template data: %s", templateData));
+                logger.log(Level.FINEST, String.format("Template file length: %s", templateFile.length()));
+                logger.log(Level.FINEST, String.format("Template data length: %s", templateData.length()));
                 logger.log(Level.FINEST, String.format("Content type:  %s", contentType));
             }
 
diff --git a/src/test/java/de/pdv/apex/PdfServletTest.java b/src/test/java/de/pdv/apex/PdfServletTest.java
index 18c92aa..88b0063 100644
--- a/src/test/java/de/pdv/apex/PdfServletTest.java
+++ b/src/test/java/de/pdv/apex/PdfServletTest.java
@@ -1,7 +1,7 @@
 package de.pdv.apex;
 
 import org.apache.commons.io.IOUtils;
-import org.junit.jupiter.api.Assertions;
+import static org.junit.jupiter.api.Assertions.*;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mock;
@@ -53,10 +53,10 @@ class PdfServletTest extends Mockito {
         PdfServletTest app = new PdfServletTest();
         InputStream xsltFile = app.getClass().getClassLoader().getResourceAsStream("samples/kostenblatt_2014.xsl");
         assert xsltFile != null;
-        String xsltFileContent = IOUtils.toString(xsltFile, StandardCharsets.UTF_8.name());
+        String xsltFileContent = IOUtils.toString(xsltFile, StandardCharsets.UTF_8);
         InputStream xmlFile = app.getClass().getClassLoader().getResourceAsStream("samples/kostenblatt_2014.xml");
         assert xmlFile != null;
-        String xmlFileContent = IOUtils.toString(xmlFile, StandardCharsets.UTF_8.name());
+        String xmlFileContent = IOUtils.toString(xmlFile, StandardCharsets.UTF_8);
         when(servlet.getServletConfig()).thenReturn(servletConfig);
         when(response.getOutputStream()).thenReturn(outputStream);
         when(request.getParameter("template")).thenReturn(xsltFileContent);
@@ -72,13 +72,15 @@ class PdfServletTest extends Mockito {
     @Test
     void init() {
         when(servlet.getServletConfig()).thenReturn(servletConfig);
+        assertNotNull(servlet);
         servlet.init();
+        assertDoesNotThrow( () -> servlet.init());
     }
 
     @Test
     void getServletInfo() {
         when(servlet.getServletConfig()).thenReturn(servletConfig);
         String s = servlet.getServletInfo();
-        Assertions.assertEquals("APEX FOP Server",s);
+        assertEquals("APEX FOP Server",s);
     }
 }