debian/changelog

+figtree (1.4.4-3) unstable; urgency=medium
+
+  * Depends: default-jdk
+    Closes: #915149
+
+ -- Andreas Tille <tille@debian.org>  Sat, 08 Dec 2018 08:07:27 +0100
+
 figtree (1.4.4-2) unstable; urgency=medium
 
   * Use own wrapper script using run_java instead of upstream provided one

debian/control

@@ -29,7 +29,8 @@ Homepage: http://tree.bio.ed.ac.uk/software/figtree/
 Package: figtree
 Architecture: all
 Depends: ${misc:Depends},
-         ${java:Depends}
+         ${java:Depends},
+         default-jdk
 Description: graphical phylogenetic tree viewer
  FigTree is designed as a graphical viewer of phylogenetic trees and as
  a program for producing publication-ready figures.  In particular it is