[patch] src/jsp/results.jsp Null pointer when no title

[Hayes, Mark]

Here's a tiny fix for luceneweb.  When searching on documents with no title
field a null pointer occurs.  Unfortunately Tomcat (4.0.2) doesn't report
these exceptions as JSP page errors, so they are a little hard to find.

/mark

--- results.jsp Thu Feb 14 12:53:40 2002
+++ results.jsp.new     Sun Feb 24 16:49:00 2002
@@ -113,7 +113,7 @@
                         Document doc = hits.doc(i);                  //get
the next document 
                         String doctitle = doc.get("title");          //get
its title
                         String url = doc.get("url");                 //get
its url field
-                        if (doctitle.equals(""))                     //use
the url if it has no title
+                        if (doctitle == null || doctitle.equals("")) //use
the url if it has no title
                                 doctitle = url;
                                                                      //then
output!
 %>

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