diff --git a/Kieker.WebGUI/src/main/java/kieker/webgui/domain/Project.java b/Kieker.WebGUI/src/main/java/kieker/webgui/domain/Project.java
index dd2002f45824c1c11067255a6b2326c73c75c448..7a7ffbcd9bedb4deb8dbc73b156c4336c1ab2f5c 100644
--- a/Kieker.WebGUI/src/main/java/kieker/webgui/domain/Project.java
+++ b/Kieker.WebGUI/src/main/java/kieker/webgui/domain/Project.java
@@ -18,6 +18,8 @@ package kieker.webgui.domain;
 import kieker.analysis.model.analysisMetaModel.MIProject;
 
 /**
+ * This is a container for an instance of {@link MIProject}. Later it will probably contain more data.
+ * 
  * @author Nils Christian Ehmke
  */
 public class Project {
@@ -26,8 +28,14 @@ public class Project {
 	private String lastEditor;
 	private MIProject projectInstance;
 
-	public Project(final MIProject projectInstace) {
-		this.projectInstance = projectInstace;
+	/**
+	 * Creates a new instance of this class using the given parameters.
+	 * 
+	 * @param projectInstance
+	 *            The model instance to be stored in this object.
+	 */
+	public Project(final MIProject projectInstance) {
+		this.projectInstance = projectInstance;
 	}
 
 	/**
@@ -42,7 +50,7 @@ public class Project {
 	/**
 	 * Setter for the property {@link Project#projectInstance}.
 	 * 
-	 * @param projectInstace
+	 * @param projectInstance
 	 *            The new value of the property.
 	 */
 	public void setProjectInstance(final MIProject projectInstance) {
diff --git a/Kieker.WebGUI/src/main/java/kieker/webgui/persistence/impl/FSProjectDAOImpl.java b/Kieker.WebGUI/src/main/java/kieker/webgui/persistence/impl/FSProjectDAOImpl.java
index 8869c43d1be438a9fc104db81ab8f5515ac797da..eb9c9584b19e67ac482c1982f2e44b3d1322cdba 100644
--- a/Kieker.WebGUI/src/main/java/kieker/webgui/persistence/impl/FSProjectDAOImpl.java
+++ b/Kieker.WebGUI/src/main/java/kieker/webgui/persistence/impl/FSProjectDAOImpl.java
@@ -79,10 +79,6 @@ public class FSProjectDAOImpl implements IProjectDAO, ReleaseListener {
 	 * The library for kieker which is contained in the war-file as a resource.
 	 */
 	private static final String KIEKER_LIB = "kieker-1.6_emf.jar";
-	/**
-	 * This is the buffer (in bytes) used to copy and upload files.
-	 */
-	private static final int BUF_SIZE_BYTES = 1024 * 1024;
 
 	private final MIAnalysisMetaModelFactory factory = new MAnalysisMetaModelFactory();
 	private final Map<CloseableURLClassLoader, WeakReference<Object>> classLoaders = new ConcurrentHashMap<CloseableURLClassLoader, WeakReference<Object>>();
diff --git a/Kieker.WebGUI/src/main/java/kieker/webgui/service/impl/util/PluginFinder.java b/Kieker.WebGUI/src/main/java/kieker/webgui/service/impl/util/PluginFinder.java
index e55f037d1d8f206ba6192b9ed63f4f70c25e9bd6..00bf5e9c045ba113fdfcfe3b351f353c92785a26 100644
--- a/Kieker.WebGUI/src/main/java/kieker/webgui/service/impl/util/PluginFinder.java
+++ b/Kieker.WebGUI/src/main/java/kieker/webgui/service/impl/util/PluginFinder.java
@@ -62,14 +62,12 @@ public final class PluginFinder {
 
 		List<Class<AbstractRepository>> result = null;
 
-		if (clazzes != null) {
-			result = new ArrayList<Class<AbstractRepository>>();
-			for (final Class<?> clazz : clazzes) {
-				// This is the cast resulting in an unchecked cast warning.
-				if (clazz.isAnnotationPresent(classAndMethodContainer.getRepositoryAnnotationClass())
-						&& classAndMethodContainer.getAbstractRepositoryClass().isAssignableFrom(clazz)) {
-					result.add((Class<AbstractRepository>) clazz);
-				}
+		result = new ArrayList<Class<AbstractRepository>>();
+		for (final Class<?> clazz : clazzes) {
+			// This is the cast resulting in an unchecked cast warning.
+			if (clazz.isAnnotationPresent(classAndMethodContainer.getRepositoryAnnotationClass())
+					&& classAndMethodContainer.getAbstractRepositoryClass().isAssignableFrom(clazz)) {
+				result.add((Class<AbstractRepository>) clazz);
 			}
 		}
 
@@ -94,14 +92,12 @@ public final class PluginFinder {
 		final List<Class<?>> clazzes = this.getAllClassesWithinJar(url, classLoader);
 		List<Class<AbstractPlugin>> result = null;
 
-		if (clazzes != null) {
-			result = new ArrayList<Class<AbstractPlugin>>();
-			for (final Class<?> clazz : clazzes) {
-				// This is the cast resulting in an unchecked cast warning.
-				if (clazz.isAnnotationPresent(classAndMethodContainer.getPluginAnnotationClass())
-						&& classAndMethodContainer.getAbstractPluginClass().isAssignableFrom(clazz)) {
-					result.add((Class<AbstractPlugin>) clazz);
-				}
+		result = new ArrayList<Class<AbstractPlugin>>();
+		for (final Class<?> clazz : clazzes) {
+			// This is the cast resulting in an unchecked cast warning.
+			if (clazz.isAnnotationPresent(classAndMethodContainer.getPluginAnnotationClass())
+					&& classAndMethodContainer.getAbstractPluginClass().isAssignableFrom(clazz)) {
+				result.add((Class<AbstractPlugin>) clazz);
 			}
 		}