Fix for #641 and added debug (#644)

Merging this as I'm sick of doing manually... :-)

Author: vjrj

ansible/roles/tomcat/tasks/main.yml

@@ -142,6 +142,12 @@
   tags:
     - tomcat
 
+- name: "Show tomcat and distro"
+  debug:
+    msg: "Using distro {{ansible_distribution_version}} and {{tomcat}}"
+  tags:
+    - tomcat
+
 - name: configure tomcat (Debian)
   blockinfile:
     path={{tomcat_conf}}
@@ -155,6 +161,19 @@
     - tomcat
     - tomcat-security
 
+- name: configure tomcat (Debian) in 18.04
+  blockinfile:
+    path={{tomcat_conf}}
+    marker="# {mark} Configure Tomcat Memory (Ansible managed)"
+    block='JAVA_OPTS="-Djava.awt.headless=true -XX:+UseG1GC {{tomcat_java_opts}} {{java_security_opts}}"'
+    backup=yes
+  notify:
+    - restart tomcat
+  when: ansible_os_family == "Debian" and ansible_distribution_version == "18.04" and tomcat == "tomcat9"
+  tags:
+    - tomcat
+    - tomcat-security
+
 - name: Set JAVA_HOME  (Debian)
   lineinfile: " 
     dest={{tomcat_conf}}