X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FSequenceAnnotationReport.java;h=95bd1cc2ca4008a1cfe4248467e7628ff5ab5429;hb=14380adc384f8a1c96f71ef2ea26607cdac22a14;hp=b0b0deeb6a578030f27377129aa588ba9d376ed3;hpb=3352c2b216fc2c4051410efe7a564b790c79ebd9;p=jalview.git

diff --git a/src/jalview/io/SequenceAnnotationReport.java b/src/jalview/io/SequenceAnnotationReport.java
index b0b0dee..95bd1cc 100644
--- a/src/jalview/io/SequenceAnnotationReport.java
+++ b/src/jalview/io/SequenceAnnotationReport.java
@@ -20,12 +20,12 @@
  */
 package jalview.io;
 
-import java.util.Locale;
-
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 
 import jalview.api.FeatureColourI;
@@ -536,12 +536,19 @@ public class SequenceAnnotationReport
   protected int appendDbRefs(final StringBuilder sb, SequenceI ds,
           boolean summary)
   {
-    List<DBRefEntry> dbrefs = ds.getDBRefs();
-    if (dbrefs == null)
+    List<DBRefEntry> dbrefs, dbrefset = ds.getDBRefs();
+
+    if (dbrefset == null)
     {
       return 0;
     }
 
+    // PATCH for JAL-3980 defensive copy
+
+    dbrefs = new ArrayList<DBRefEntry>();
+
+    dbrefs.addAll(dbrefset);
+
     // note this sorts the refs held on the sequence!
     dbrefs.sort(comparator);
     boolean ellipsis = false;