diff --git a/src/main/java/org/owasp/webgoat/lessons/AbstractLesson.java b/src/main/java/org/owasp/webgoat/lessons/AbstractLesson.java
index e689f7d1f..8f3ed38e6 100644
--- a/src/main/java/org/owasp/webgoat/lessons/AbstractLesson.java
+++ b/src/main/java/org/owasp/webgoat/lessons/AbstractLesson.java
@@ -385,7 +385,7 @@ public abstract class AbstractLesson extends Screen implements Comparable<Object
 
             }
 
-            src.append(readFromFile(new BufferedReader(new FileReader(s.getWebResource(filename))), false));
+            src.append(readFromFile(new BufferedReader(new FileReader(filename)), false));
 
         } catch (Exception e) {
             // s.setMessage( "Could not find lesson plan for " +
@@ -467,8 +467,7 @@ public abstract class AbstractLesson extends Screen implements Comparable<Object
         try {
             // System.out.println("Loading source file: " +
             // getSourceFileName());
-            src = convertMetacharsJavaCode(readFromFile(new BufferedReader(new FileReader(s
-                    .getWebResource(getSourceFileName()))), true));
+            src = convertMetacharsJavaCode(readFromFile(new BufferedReader(new FileReader(getSourceFileName())), true));
 
             // TODO: For styled line numbers and better memory efficiency,
             // use a custom FilterReader
@@ -504,7 +503,7 @@ public abstract class AbstractLesson extends Screen implements Comparable<Object
 
         try {
             logger.debug("Loading source file: " + getSourceFileName());
-            src = readFromFile(new BufferedReader(new FileReader(s.getWebResource(getSourceFileName()))), false);
+            src = readFromFile(new BufferedReader(new FileReader(getSourceFileName())), false);
 
         } catch (FileNotFoundException e) {
             s.setMessage("Could not find source file");
@@ -522,7 +521,7 @@ public abstract class AbstractLesson extends Screen implements Comparable<Object
 
         try {
             // System.out.println("Solution: " + getLessonSolutionFileName());
-            src = readFromFile(new BufferedReader(new FileReader(s.getWebResource(getLessonSolutionFileName()))), false);
+            src = readFromFile(new BufferedReader(new FileReader(getLessonSolutionFileName())), false);
         } catch (Exception e) {
             s.setMessage("Could not find the solution file");
             src = ("Could not find the solution file or solution file does not exist.<br/>"
diff --git a/src/main/java/org/owasp/webgoat/plugins/Plugin.java b/src/main/java/org/owasp/webgoat/plugins/Plugin.java
index 86f16c05f..032c7f914 100644
--- a/src/main/java/org/owasp/webgoat/plugins/Plugin.java
+++ b/src/main/java/org/owasp/webgoat/plugins/Plugin.java
@@ -19,6 +19,7 @@ public class Plugin {
     private final Path pluginDirectory;
     private final Map<String, File> solutionLanguageFiles;
     private final Map<String, File> lessonPlansLanguageFiles;
+    private final File lessonSourceFile;
 
     public static class PluginLoadingFailure extends RuntimeException {
 
@@ -34,6 +35,7 @@ public class Plugin {
         private final List<String> loadedClasses = new ArrayList<String>();
         private final Map<String, File> solutionLanguageFiles = new HashMap<>();
         private final Map<String, File> lessonPlansLanguageFiles = new HashMap<>();
+        private File javaSource;
 
         public Builder loadClasses(Map<String, byte[]> classes) {
             for (Map.Entry<String, byte[]> clazz : classes.entrySet() ) {
@@ -46,8 +48,7 @@ public class Plugin {
             ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
             PluginClassLoader pluginClassLoader = new PluginClassLoader(contextClassLoader, classFile);
             try {
-                //TODO the plugin part is extra because the packaging is not correct in WEB-173
-                String realClassName = name.replace("/lesson_plans/", "").replace("/plugin", "").replaceAll("/", ".").replaceAll(".class", "");
+                String realClassName = name.replaceFirst("/", "").replaceAll("/", ".").replaceAll(".class", "");
                 Class clazz = pluginClassLoader.loadClass(realClassName);
                 if (AbstractLesson.class.isAssignableFrom(clazz)) {
                     this.lesson = clazz;
@@ -69,29 +70,33 @@ public class Plugin {
                 throw new PluginLoadingFailure(String.format("Lesson class not found, following classes were detected in the plugin: %s",
                     StringUtils.collectionToCommaDelimitedString(loadedClasses)));
             }
-            return new Plugin(this.lesson, pluginDirectory, lessonPlansLanguageFiles, solutionLanguageFiles);
+            return new Plugin(this.lesson, pluginDirectory, lessonPlansLanguageFiles, solutionLanguageFiles, javaSource);
         }
 
         public void loadFiles(List<Path> files) {
             for (Path file : files) {
-                if (file.getFileName().endsWith(".html") && file.getParent().getParent().getFileName()
+                if (file.getFileName().toString().endsWith(".html") && file.getParent().getParent().getFileName().toString()
                     .endsWith("lessonSolutions")) {
                     solutionLanguageFiles.put(file.getParent().getFileName().toString(), file.toFile());
                 }
-                if (file.getFileName().endsWith(".html") && file.getParent().getParent().getFileName()
+                if (file.getFileName().toString().endsWith(".html") && file.getParent().getParent().getFileName().toString()
                     .endsWith("lessonPlans")) {
                     lessonPlansLanguageFiles.put(file.getParent().getFileName().toString(), file.toFile());
                 }
+                if ( file.getFileName().toString().endsWith(".java")) {
+                    javaSource = file.toFile();
+                }
             }
         }
     }
 
     public Plugin(Class<AbstractLesson> lesson, Path pluginDirectory, Map<String, File> lessonPlansLanguageFiles,
-        Map<String, File> solutionLanguageFiles) {
+        Map<String, File> solutionLanguageFiles, File lessonSourceFile) {
         this.lesson = lesson;
         this.pluginDirectory = pluginDirectory;
         this.lessonPlansLanguageFiles = lessonPlansLanguageFiles;
         this.solutionLanguageFiles = solutionLanguageFiles;
+        this.lessonSourceFile = lessonSourceFile;
     }
 
     public Class<AbstractLesson> getLesson() {
@@ -102,6 +107,8 @@ public class Plugin {
         return this.solutionLanguageFiles;
     }
 
+    public File getLessonSource() { return lessonSourceFile; }
+
     public Map<String, File> getLessonPlans() {
         return this.lessonPlansLanguageFiles;
     }
diff --git a/src/main/java/org/owasp/webgoat/plugins/PluginBackgroundLoader.java b/src/main/java/org/owasp/webgoat/plugins/PluginBackgroundLoader.java
index 1c9115d50..6649fbcbb 100644
--- a/src/main/java/org/owasp/webgoat/plugins/PluginBackgroundLoader.java
+++ b/src/main/java/org/owasp/webgoat/plugins/PluginBackgroundLoader.java
@@ -17,7 +17,7 @@ public class PluginBackgroundLoader implements ServletContextListener {
     public void contextInitialized(ServletContextEvent event) {
         String pluginPath = event.getServletContext().getRealPath("plugin_lessons");
         scheduler = Executors.newSingleThreadScheduledExecutor();
-        scheduler.scheduleAtFixedRate(new PluginsLoader(Paths.get(pluginPath)), 0, 5, TimeUnit.SECONDS);
+        scheduler.scheduleAtFixedRate(new PluginsLoader(Paths.get(pluginPath)), 0, 5, TimeUnit.MINUTES);
     }
 
     @Override
diff --git a/src/main/java/org/owasp/webgoat/session/Course.java b/src/main/java/org/owasp/webgoat/session/Course.java
index e75c9fdd1..76c56527f 100644
--- a/src/main/java/org/owasp/webgoat/session/Course.java
+++ b/src/main/java/org/owasp/webgoat/session/Course.java
@@ -330,51 +330,14 @@ public class Course {
                 for(Map.Entry<String, File> lessonPlan : plugin.getLessonPlans().entrySet()) {
                     lesson.setLessonPlanFileName(lessonPlan.getKey(), lessonPlan.getValue().toString());
                 }
+                lesson.setLessonSolutionFileName(plugin.getLessonPlans().get("en").toString());
+                lesson.setSourceFileName(plugin.getLessonSource().toString());
             } catch (Exception e) {
                 logger.error("Error in loadLessons: ", e);
             }
         }
     }
 
-    /**
-     * For each lesson, set the source file and lesson file
-     */
-    private void loadResourcesFromPlugin() {
-        for (AbstractLesson lesson : lessons) {
-            logger.info("Loading resources for lesson -> " + lesson.getName());
-            String className = lesson.getClass().getName();
-            String classFile = getSourceFile(className);
-            logger.info("Lesson classname: " + className);
-            logger.info("Lesson java file: " + classFile);
-
-            for (String absoluteFile : files) {
-                String fileName = getFileName(absoluteFile);
-                //logger.debug("Course: looking at file: " + absoluteFile);
-
-                if (absoluteFile.endsWith(classFile)) {
-                    logger.info("Set source file for " + classFile);
-                    lesson.setSourceFileName(absoluteFile);
-                }
-
-                if (absoluteFile.startsWith("/lesson_plans") && absoluteFile.endsWith(".html") && className
-                    .endsWith(fileName)) {
-                    logger.info(
-                        "setting lesson plan file " + absoluteFile + " for lesson " + lesson.getClass().getName());
-                    logger.info("fileName: " + fileName + " == className: " + className);
-                    String language = getLanguageFromFileName("/lesson_plans", absoluteFile);
-                    lesson.setLessonPlanFileName(language, absoluteFile);
-                }
-                if (absoluteFile.startsWith("/lesson_solutions") && absoluteFile.endsWith(".html") && className
-                    .endsWith(fileName)) {
-                    logger.info(
-                        "setting lesson solution file " + absoluteFile + " for lesson " + lesson.getClass().getName());
-                    logger.info("fileName: " + fileName + " == className: " + className);
-                    lesson.setLessonSolutionFileName(absoluteFile);
-                }
-            }
-        }
-    }
-
     /**
      * Instantiate all the lesson objects into a cache
      *
@@ -465,9 +428,9 @@ public class Course {
         logger.info("Loading courses: " + path);
         this.webgoatContext = webgoatContext;
         loadLessionFromPlugin(context);
-        loadFiles(context, path);
-        loadLessons(path);
-        loadResources();
+        //loadFiles(context, path);
+        //loadLessons(path);
+        //loadResources();
 
     }
 }
diff --git a/src/main/webapp/plugin_lessons/SqlStringInjection-1.0.jar b/src/main/webapp/plugin_lessons/SqlStringInjection-1.0.jar
new file mode 100644
index 000000000..a934e3f78
Binary files /dev/null and b/src/main/webapp/plugin_lessons/SqlStringInjection-1.0.jar differ