This bug was fixed in the package tomcat8 - 8.0.32-1ubuntu1.4
--------------- tomcat8 (8.0.32-1ubuntu1.4) xenial; urgency=medium
* Fix an upgrade error when JAVA_OPTS in /etc/default/tomcat8 contains the '%' character (LP: #1666570).
-- Joshua Powers <email address hidden> Thu, 09 Mar 2017 14:38:04 -0700
This bug was fixed in the package tomcat8 - 8.0.32-1ubuntu1.4
---------------
tomcat8 (8.0.32-1ubuntu1.4) xenial; urgency=medium
* Fix an upgrade error when JAVA_OPTS in /etc/default/ tomcat8
contains the '%' character (LP: #1666570).
-- Joshua Powers <email address hidden> Thu, 09 Mar 2017 14:38:04 -0700