diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 9fb536f..a85b212 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -11,4 +11,4 @@ updates:
       interval: "daily"
     target-branch: "SERVLET60"
     labels:
-      - "servlet60"
\ No newline at end of file
+      - "servlet60"
diff --git a/README.md b/README.md
index bd44eaf..cbf8dbc 100644
--- a/README.md
+++ b/README.md
@@ -5,47 +5,66 @@ Servlet for Oracle APEX to run PDF Reports based on Apache FOP
 Fahrdienst-Anwendung / Kostenblatt 
 
 * Uses Apache FOP for rendering
-https://xmlgraphics.apache.org/fop/
+<https://xmlgraphics.apache.org/fop/>
 * Uses JavaMelody for monitoring
-https://github.com/javamelody/javamelody/wiki
+<https://github.com/javamelody/javamelody/wiki>
 * Use Java 17 LTS (also tested with Java 21 LTS)
 * Use Tomcat 10.1.x+ (Jakarta EE / Servlet 6.0)  or Jetty 12
+ 
 ## Run tests
+
 `mvn test`
 
 ## Build
+
 `mvn package verify`
 
 ## Upgrade
+
 * set new version in pom.xml
 * check dependent libraries for updates
 * run tests and build
 
 ## Release
+
 * create a tag with version number
 * create a github release
 
 ## Installation
+
 * rename target/fop4apex*.war to fop4apex.war
 * copy fop4apex.war to tomcat webapps folder
 * Oracle APEX - Sample Settings
   * PrintServer	External (Apache FOP)
-  * Protocol	HTTP / HTTPS
-  * Host	127.0.0.1
-  * Port	8080
+  * Protocol HTTP / HTTPS
+  * Host 127.0.0.1
+  * Port 8080
   * Script: /fop4apex/pdf
   * Timeout 300
+
 ### Debugging
+
 Add to Tomcat logging.properties:
 ```
 org.apache.tomcat.util.http.Parameters.level = ALL
 de.pdv.apex.level = ALL
 ```
 
-### Deploy to tomcat 10.1.x+ or Jetty 12 (IntelliJ / Netbeans)
+### Deploy to tomcat 9.x (IntelliJ / Netbeans) / Jetty 10.x
+
 Run http://localhost:port/
 
 Example:
 * http://localhost:8080/fop4apex_war_exploded/
 * http://localhost:8080/fop4apex_war_exploded/monitoring
 
+## Conversion using Apache fop (windows powershell)
+
+```
+$env:PATH="c:\Users\oliver1\Downloads\_tools\fop-2.9\fop;$env:PATH"
+cd src\test\ressources\samples
+fop.cmd  -xsl kostenblatt_2014.xsl    -xml kostenblatt_2014.xml    -pdf Result2014.pdf
+fop.cmd  -xsl kostenblatt_2023_vh.xsl -xml kostenblatt_2023_vh.xml -pdf Result2023_vh.pdf
+fop.cmd  -xsl kostenblatt_2023_e.xsl  -xml kostenblatt_2023_e.xml  -pdf Result2023_e.pdf
+start Result.pdf
+```
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 76dd818..a2db3b4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>de.pdv.apex</groupId>
     <artifactId>fop4apex</artifactId>
-    <version>2.0.0-SNAPSHOT</version>
+    <version>2.0.1-SNAPSHOT</version>
     <name>fop4apex</name>
     <packaging>war</packaging>
     <url>https://www.pdv.de</url>
@@ -24,12 +24,28 @@
     </properties>
 
     <dependencies>
+
+        <!-- https://mvnrepository.com/artifact/jakarta.servlet/jakarta.servlet-api -->
         <dependency>
             <groupId>jakarta.servlet</groupId>
             <artifactId>jakarta.servlet-api</artifactId>
             <version>6.1.0</version>
             <scope>provided</scope>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/jakarta.servlet.jsp.jstl/jakarta.servlet.jsp.jstl-api -->
+        <dependency>
+            <groupId>jakarta.servlet.jsp.jstl</groupId>
+            <artifactId>jakarta.servlet.jsp.jstl-api</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.glassfish.web/jakarta.servlet.jsp.jstl -->
+        <dependency>
+            <groupId>org.glassfish.web</groupId>
+            <artifactId>jakarta.servlet.jsp.jstl</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+
+
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
@@ -96,6 +112,16 @@
             <scope>compile</scope>
         </dependency>
 
+        <!-- https://mvnrepository.com/artifact/com.github.librepdf/openpdf -->
+        <!-- updates to 1.4 and 2.x currently not possible https://github.com/javamelody/javamelody/pull/1182 -->
+        <!-- Optional: support pdf export for javamelody
+        <dependency>
+            <groupId>com.github.librepdf</groupId>
+            <artifactId>openpdf</artifactId>
+            <version>1.3.43</version>
+        </dependency>
+        -->
+
     </dependencies>
 
     <build>
@@ -143,6 +169,17 @@
                     <outputName>bom</outputName>
                 </configuration>
             </plugin>
+            <!-- Avoid plugin validation warnings -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.13.0</version>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-resources-plugin</artifactId>
+                <version>3.3.1</version>
+            </plugin>
 
             <!-- https://mvnrepository.com/artifact/com.google.cloud.tools/jib-maven-plugin -->
             <plugin>
@@ -209,6 +246,7 @@
                         <artifactId>dependency-check-maven</artifactId>
                         <version>10.0.3</version>
                         <configuration>
+                            <nvdApiServerId>nvd</nvdApiServerId>
                             <formats>
                                 <format>html</format>
                                 <format>json</format>
diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index 39b755f..c6e1015 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
-         version="4.0">
+<web-app
+        xmlns="https://jakarta.ee/xml/ns/jakartaee"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/web-app_6_0.xsd"
+        version="6.0">
+
     <filter>
         <filter-name>javamelody</filter-name>
         <filter-class>net.bull.javamelody.MonitoringFilter</filter-class>
@@ -22,4 +24,4 @@
         <listener-class>net.bull.javamelody.SessionListener</listener-class>
     </listener>
 
-</web-app>
\ No newline at end of file
+</web-app>
diff --git a/src/main/webapp/index.jsp b/src/main/webapp/index.jsp
index 3de476f..8ea1a82 100644
--- a/src/main/webapp/index.jsp
+++ b/src/main/webapp/index.jsp
@@ -1,10 +1,16 @@
+<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
+<%@ page import="java.util.Map" %>
+<%@ page import="java.util.LinkedHashMap" %>
+<%@ taglib prefix="c" uri="jakarta.tags.core" %>
+
 <!doctype html>
 <html lang="en" data-theme="dark">
 <head>
     <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta name="description" content="Apache Formatting Objects Processor integration for Oracle Application Express, converts xml and fop to pdf">
-    <link rel="stylesheet" href="webjars/pico/css/pico.min.css">
+    <meta http-equiv="Content-Type"  content="text/html; charset=UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="description" content="Apache Formatting Objects Processor integration for Oracle Application Express, converts xml and fop to pdf" />
+    <link rel="stylesheet" href="webjars/pico/css/pico.min.css" />
     <title>Apache FOP for Oracle APEX</title>
 </head>
 <body>
@@ -42,11 +48,11 @@
         </tr>
         <tr>
             <th scope="row">Port</th>
-            <td>8080</td>
+            <td><c:out value="${pageContext.request.serverPort}"/></td>
         </tr>
         <tr>
             <th scope="row">Script</th>
-            <td>${pageContext.request.contextPath}/pdf</td>
+            <td><c:out value="${pageContext.request.contextPath}"/>/pdf</td>
         </tr>
         <tr>
             <td>Timeout</td>
@@ -61,24 +67,42 @@
     <pre>org.apache.tomcat.util.http.Parameters.level = ALL
 de.pdv.apex.level = ALL</pre>
 
-    <h2>Server Info / Environment</h2>
 <%--@elvariable id="System" type=""--%>
-    <pre>
-Server Version:   <%= application.getServerInfo() %>
-Servlet Version:  <%= application.getMajorVersion() %>.<%= application.getMinorVersion() %>
-JSP Version:      <%= JspFactory.getDefaultFactory().getEngineInfo().getSpecificationVersion() %>
-Context Path:     ${pageContext.request.contextPath}
+<%
+    Map<String,String> systemProperties = new LinkedHashMap<>();
+    systemProperties.put("Server Version",application.getServerInfo());
+    systemProperties.put("Servlet Version",String.format("%d.%d",application.getMajorVersion(),application.getMinorVersion()));
+    systemProperties.put("JSP Version",JspFactory.getDefaultFactory().getEngineInfo().getSpecificationVersion());
+    systemProperties.put("Context Path", request.getContextPath() );
+    systemProperties.put("","");
+    systemProperties.put("java.version",System.getProperty("java.version"));
+    systemProperties.put("java.vm.vendor",System.getProperty("java.vm.vendor"));
+    systemProperties.put("user.country",System.getProperty("user.country"));
+    systemProperties.put("user.language",System.getProperty("user.language"));
+    systemProperties.put("user.name",System.getProperty("user.name"));
+    systemProperties.put("user.timezone",System.getProperty("user.timezone"));
+    systemProperties.put("os.name",System.getProperty("os.name"));
+    systemProperties.put("os.version",System.getProperty("os.version"));
+    systemProperties.put("file.encoding",System.getProperty("file.encoding"));
+    systemProperties.put("sun.jnu.encoding",System.getProperty("sun.jnu.encoding"));
+    request.setAttribute("systemProperties",systemProperties);
+%>
 
-java.version:     ${System.getProperty("java.version")}
-java.vm.vendor:   ${System.getProperty("java.vm.vendor")}
-user.country:     ${System.getProperty("user.country")}
-user.language:    ${System.getProperty("user.language")}
-user.name:        ${System.getProperty("user.name")}
-user.timezone:    ${System.getProperty("user.timezone")}
-os.name:          ${System.getProperty("os.name")}
-os.version:       ${System.getProperty("os.version")}
-file.encoding:    ${System.getProperty("file.encoding")}
-sun.jnu.encoding: ${System.getProperty("sun.jnu.encoding")}</pre>
+    <h2>Server Info / Environment</h2>
+    <table role="grid">
+        <thead>
+        <tr>
+            <th scope="col">Parameter</th>
+            <th scope="col">Value</th>
+        </tr>
+        </thead>
+        <c:forEach var="property" items="${systemProperties}">
+            <tr>
+                <th scope="row"><c:out value="${property.key}"/></th>
+                <td><c:out value="${property.value}"/></td>
+            </tr>
+        </c:forEach>
+    </table>
     <p>page built with <a href="https://picocss.com/">Pico.css</a>, fop conversion with <a href="https://xmlgraphics.apache.org/fop/">Apache FOP</a> </p>
 </main>
 </body>
diff --git a/src/test/java/de/pdv/apex/ExampleFO2PDFTest.java b/src/test/java/de/pdv/apex/ExampleFO2PDFTest.java
index e108e02..2ddde49 100644
--- a/src/test/java/de/pdv/apex/ExampleFO2PDFTest.java
+++ b/src/test/java/de/pdv/apex/ExampleFO2PDFTest.java
@@ -109,8 +109,7 @@ class ExampleFO2PDFTest {
 
         app.convertFO2PDFHelper(inputStream, pdfFile);
 
-        if (!pdfFile.exists())
-            throw new Exception("result file missing");
+        Assertions.assertTrue(pdfFile.exists(), "Error: result file missing");
 
         try (PDDocument document = Loader.loadPDF(new RandomAccessReadBufferedFile(pdfFile)))
         {
diff --git a/src/test/java/de/pdv/apex/ExampleXML2PDFTest.java b/src/test/java/de/pdv/apex/ExampleXML2PDFTest.java
index 0f719dc..206dc7d 100644
--- a/src/test/java/de/pdv/apex/ExampleXML2PDFTest.java
+++ b/src/test/java/de/pdv/apex/ExampleXML2PDFTest.java
@@ -84,8 +84,7 @@ class ExampleXML2PDFTest {
         //close
         out.close();
 
-        if (!pdfFile.exists())
-            throw new Exception("result file missing");
+        Assertions.assertTrue(pdfFile.exists(), "Error: result file missing");
         try (PDDocument document = Loader.loadPDF(new RandomAccessReadBufferedFile(pdfFile))) {
             System.out.println("Pages: " + document.getNumberOfPages());
             System.out.println("Filesize (Bytes): " + Files.size(pdfFile.toPath()));