--- a/streamlet-examples/JarInfo.java	Wed Jan 29 20:50:12 2020 +0100
+++ b/streamlet-examples/JarInfo.java	Thu Jan 30 14:19:14 2020 +0100
@@ -46,7 +46,7 @@
 	public static final String ATTRIBUTE_ENTRIES = "entries";
 	public static final String ATTRIBUTE_MAIN_CLASS = "main_class";
 
-	private List<String> jarAttributes = new LinkedList<>();
+	private final List<String> jarAttributes = new LinkedList<>();
 
 	public static void main(String[] args) throws IOException {
 		JarInfo s = new JarInfo();
@@ -90,7 +90,7 @@
 		List<Object> result = new LinkedList<>();
 
 		try {
-			JarFile jar = new JarFile(new File(currentFile));
+			JarFile jar = new JarFile(new File(getCurrentFile()));
 
 			for (String attributeName : jarAttributes) {
 				switch (attributeName) {