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JAL-3597 additional references nulled, bug in test corrected
[jalview.git] / src / jalview / viewmodel / AlignmentViewport.java
diff --git a/src/jalview/viewmodel/AlignmentViewport.java b/src/jalview/viewmodel/AlignmentViewport.java
index 8dcd1b3..063d4ab 100644 (file)
--- a/src/jalview/viewmodel/AlignmentViewport.java
+++ b/src/jalview/viewmodel/AlignmentViewport.java
@@ -959,6 +959,7 @@ public abstract class AlignmentViewport
     ranges = null;
     currentTree = null;
     selectionGroup = null;
+    colSel = null;
     setAlignment(null);
   }