add exception handling for dangling elements

src/main/java/org/forward/entitysearch/experiment/TestReadObject.java

@@ -24,7 +24,11 @@ public static void main (String[] args) {
             System.out.println(doc.getTitle());
             System.out.println(doc.get(CoreAnnotations.TokensAnnotation.class).size());
             for (CoreLabel token : doc.get(CoreAnnotations.TokensAnnotation.class)) {
-                System.out.println(token.word() + " " + token.ner() + " " +
+                String word = token.word();
+                if (token.containsKey(CustomizableCoreAnnotations.TypeAnnotation.class)) {
+                    word = token.get(CustomizableCoreAnnotations.TypeAnnotation.class);
+                }
+                System.out.println(word + " " + token.ner() + " " +
                         token.get(CustomizableCoreAnnotations.LayoutHeightAnnotation.class) + " " +
                         token.get(CustomizableCoreAnnotations.LayoutWidthAnnotation.class));
             }

src/main/java/org/forward/entitysearch/ingestion/HTMLDocumentIngestionManager.java

@@ -97,6 +97,13 @@ private static int travelDOMTreeWithSelenium(RemoteWebElement e, StringBuilder s
     }
 
     private static void travelDOMTreeWithSelenium(RemoteWebElement e, Rectangle r, List<CoreLabel> allTokens, WebDriver driver) {
+        try {
+            e.isDisplayed();
+        } catch (Exception ex) {
+            System.out.println("Some dangling nodes are found in this URL");
+            System.err.println("Some dangling nodes are found in this URL");
+            return;
+        }
         if (e.isDisplayed()) {
             Rectangle rec = null;
             try {
@@ -284,7 +291,7 @@ public static void main(String[] args) {
             String filename = urls.get(i).first;
             String baseUrl = urls.get(i).second;
 
-            System.out.println(i + "\t" +  baseUrl);
+            System.out.println(filename + "\t" +  baseUrl);
 
             WebDriver driver = createChromeDriver();
 //        System.out.println(getAllTextWithLayout(driver,baseUrl));

test_urls.csv

@@ -1,2 +1,3 @@
-0	http://charm.cs.illinois.edu/research/episim
-1	http://www.forwarddatalab.org/kevinchang
+0	https://cs.illinois.edu/about-us/awards/faculty-awards/chairs-and-professorships/founder-professor-engineering
+1	http://data-people.cs.illinois.edu/topic.html
+2	http://charm.cs.illinois.edu/research/episim