This bug was fixed in the package tomcat8 - 8.0.38-2ubuntu2
--------------- tomcat8 (8.0.38-2ubuntu2) zesty; urgency=medium
* Fix an upgrade error when JAVA_OPTS in /etc/default/tomcat8 contains the '%' character (LP: #1666570).
-- Joshua Powers <email address hidden> Tue, 28 Mar 2017 16:47:32 -0700
This bug was fixed in the package tomcat8 - 8.0.38-2ubuntu2
---------------
tomcat8 (8.0.38-2ubuntu2) zesty; urgency=medium
* Fix an upgrade error when JAVA_OPTS in /etc/default/ tomcat8
contains the '%' character (LP: #1666570).
-- Joshua Powers <email address hidden> Tue, 28 Mar 2017 16:47:32 -0700