JAL-2864 null OverviewDimensions on dispose + unit test

[jalview.git] / src / jalview / gui / OverviewCanvas.java

diff --git a/src/jalview/gui/OverviewCanvas.java b/src/jalview/gui/OverviewCanvas.java
index 2991889..de16b00 100644 (file)
--- a/src/jalview/gui/OverviewCanvas.java
+++ b/src/jalview/gui/OverviewCanvas.java
@@ -259,6 +259,7 @@ public class OverviewCanvas extends JComponent
   public void dispose()
   {
     dispose = true;
+    od = null;
     synchronized (this)
     {
       restart = true;