diff --git a/README.md b/README.md
index 645a7fc..b11aae7 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 ## minimal Requirements
 
-- Java 11
+- Java 8
 - Maven 3
 - Tomcat 9
 
diff --git a/pom.xml b/pom.xml
index 066381a..65068b4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <packaging>war</packaging>
 
     <properties>
-        <java.version>11</java.version>
+        <java.version>1.8</java.version>
         <checkstyle_file>checkstyle.xml</checkstyle_file>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <sonar.sources>src/main</sonar.sources>
diff --git a/src/main/java/de/hsel/spm/baudas/web/AuthorizationFilter.java b/src/main/java/de/hsel/spm/baudas/web/AuthorizationFilter.java
index 5b39252..c929911 100644
--- a/src/main/java/de/hsel/spm/baudas/web/AuthorizationFilter.java
+++ b/src/main/java/de/hsel/spm/baudas/web/AuthorizationFilter.java
@@ -54,7 +54,7 @@ public class AuthorizationFilter implements Filter {
         HttpServletResponse res = (HttpServletResponse) response;
         HttpSession session = req.getSession(false);
         String url = req.getRequestURI();
-        if (url.contains("login") || url.contains("logo") || url.contains("js/")) {
+        if (url.contains("login") || url.contains("logo") || url.contains("js/") || url.contains("version.jsp")) {
             chain.doFilter(request, response);
         } else if (session == null || session.getAttribute("authentication") == null
                 || !((boolean) session.getAttribute("authentication"))) {   //checking whether the session exists and if authentication succeed
diff --git a/src/main/java/de/hsel/spm/baudas/web/DatasetManagement.java b/src/main/java/de/hsel/spm/baudas/web/DatasetManagement.java
index 33b8cdf..3c8fa9d 100644
--- a/src/main/java/de/hsel/spm/baudas/web/DatasetManagement.java
+++ b/src/main/java/de/hsel/spm/baudas/web/DatasetManagement.java
@@ -120,7 +120,7 @@ public class DatasetManagement {
     @Contract(pure = true)
     @NotNull
     private static String getFileName(@NotNull UUID uuid) {
-        return uuid + ".csv";
+        return System.getProperty("catalina.base") + "/" + uuid + ".csv";
     }
 
 
diff --git a/src/main/java/de/hsel/spm/baudas/web/LoginServlet.java b/src/main/java/de/hsel/spm/baudas/web/LoginServlet.java
index 25ce233..eaa9439 100644
--- a/src/main/java/de/hsel/spm/baudas/web/LoginServlet.java
+++ b/src/main/java/de/hsel/spm/baudas/web/LoginServlet.java
@@ -11,8 +11,12 @@ import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Stream;
 
 /**
  * authenticates users.
@@ -34,7 +38,11 @@ public class LoginServlet extends HttpServlet {
      */
     @Override
     protected void doPost(@NotNull HttpServletRequest request, @NotNull HttpServletResponse response) throws ServletException, IOException {
-        String pw = Files.readString(Paths.get("password.txt"));
+        List<String> list = new ArrayList<>();
+        try (Stream<String> lines = Files.lines(Paths.get("password.txt"), StandardCharsets.UTF_8)) {
+            lines.forEach(list::add);
+        }
+        String pw = list.get(0);
 
         String password = request.getParameter("password");
         if (pw.equals(password)) {
diff --git a/src/main/webapp/version.jsp b/src/main/webapp/version.jsp
index 64f838f..ecbba3b 100644
--- a/src/main/webapp/version.jsp
+++ b/src/main/webapp/version.jsp
@@ -5,4 +5,5 @@ Servlet version: <%= application.getMajorVersion() %>.<%= application.getMinorVe
 JSP version: <%= JspFactory.getDefaultFactory().getEngineInfo().getSpecificationVersion() %><br>
 Java version: <%= System.getProperty("java.version") %><br>
 Weka version: <%= Version.VERSION %><br>
-File root: <%= new File("").getAbsolutePath() %>
\ No newline at end of file
+File root: <%= new File("").getAbsolutePath() %><br>
+Catalina base : <%= System.getProperty("catalina.base") %>
\ No newline at end of file