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Merge branch 'develop' into bug/JAL-2851
[jalview.git]
/
src
/
jalview
/
gui
/
TreePanel.java
diff --git
a/src/jalview/gui/TreePanel.java
b/src/jalview/gui/TreePanel.java
index
82f3565
..
2727db1
100755
(executable)
--- a/
src/jalview/gui/TreePanel.java
+++ b/
src/jalview/gui/TreePanel.java
@@
-155,7
+155,10
@@
public class TreePanel extends GTreePanel
@Override
public void internalFrameClosed(InternalFrameEvent evt)
{
- av.removePropertyChangeListener(listener);
+ if (av != null)
+ {
+ av.removePropertyChangeListener(listener);
+ }
}
});