From c950c0a8d489e88e15ca9c6642b4f2d2f407a762 Mon Sep 17 00:00:00 2001
From: kiramt <k.mourao@dundee.ac.uk>
Date: Mon, 9 Jan 2017 13:15:30 +0000
Subject: [PATCH] JAL-2316 Prevent applet from loading null links into Link
 menu

---
 src/jalview/appletgui/IdPanel.java |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/jalview/appletgui/IdPanel.java b/src/jalview/appletgui/IdPanel.java
index cc021f5..b03a638 100755
--- a/src/jalview/appletgui/IdPanel.java
+++ b/src/jalview/appletgui/IdPanel.java
@@ -78,7 +78,11 @@ public class IdPanel extends Panel implements MouseListener,
         label = av.applet.getParameter("linkLabel_" + i);
         url = av.applet.getParameter("linkURL_" + i);
 
-        urlList.put(label, url);
+        // only add non-null parameters
+        if (label != null)
+        {
+          urlList.put(label, url);
+        }
       }
 
       if (!urlList.isEmpty())
-- 
1.7.10.2