Check for null StringBuffer in getPDB

diff --git a/src/jalview/gui/SequenceFetcher.java b/src/jalview/gui/SequenceFetcher.java
index b3ccf5e..65145cc 100755 (executable)
--- a/src/jalview/gui/SequenceFetcher.java
+++ b/src/jalview/gui/SequenceFetcher.java
@@ -203,11 +203,12 @@ public class SequenceFetcher
       while (qset.hasMoreTokens() && ((query = qset.nextToken())!=null))\r
       {\r
         StringBuffer respart = getPDBFile(query.toUpperCase());\r
-        result.append(respart);\r
-\r
+        if(respart!=null)\r
+          result.append(respart);\r
       }\r
 \r
-      if (result != null)\r
+\r
+      if (result.length()>0)\r
         parseResult(result.toString());\r
     }\r
 \r