defaults/main.yml

@@ -94,6 +94,8 @@ tomcat_m_jmx_port: 8186
 tomcat_m_jmx_disable_additional_ports: True
 tomcat_m_jmx_localhost_only: False
 tomcat_m_jmx_ip_address: '{{ ansible_default_ipv4.address }}'
+tomcat_m_jpda_port: 5005
+tomcat_m_jpda_opts: "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address={{ tomcat_m_jpda_port }}"
 
 # tomcat_m_jmx_auth_dir: '{{ tomcat_m_instances_base_path }}'
 # tomcat_m_jmx_monitorpass: define_in_a_vault_file

tasks/main.yml

@@ -299,6 +299,18 @@
   notify: tomcat multiple-instances restart
   tags: ['tomcat', 'tomcat_instances', 'tomcat_init']
 
+- name: Install the debug conf used by the systemd unit
+  ansible.builtin.template:
+    src: tomcat-debug.conf.j2
+    dest: "/etc/systemd/system/tomcat-instance-{{ item.http_port }}.service.d/debug.conf.disabled"
+    mode: "0644"
+    owner: root
+    group: root
+  loop: '{{ tomcat_m_instances }}'
+  when: tomcat_use_systemd_unit
+  notify: tomcat multiple-instances restart
+  tags: ['tomcat', 'tomcat_instances', 'tomcat_init']
+
 - name: Install the tomcat instances default file
   ansible.builtin.template:
     src: tomcat-default.j2

templates/tomcat-debug.conf.j2

@@ -0,0 +1,3 @@
+[Service]
+Environment="{{ tomcat_m_jpda_opts }}"
+Environment="JPDAEXEC=jpda"

templates/tomcat-start.sh.j2

@@ -15,6 +15,7 @@ set -e
 [ -n "$JSP_COMPILER" ] && JAVA_OPTS="$JAVA_OPTS -Dbuild.compiler=\"$JSP_COMPILER\""
 
 export JAVA_OPTS
+export JPDA_OPTS
 
 # Enable the Java security manager?
 SECURITY=""
@@ -22,4 +23,9 @@ SECURITY=""
 
 
 # Start Tomcat
-cd $CATALINA_BASE && exec $CATALINA_HOME/bin/catalina.sh run $SECURITY
+if [ -n $JPDAEXEC ]; then
+    echo "Starting Tomcat with JPDA debugger support"
+    echo "JPDA_OPTS: \"$JPDA_OPTS\""
+fi
+
+cd $CATALINA_BASE && exec $CATALINA_HOME/bin/catalina.sh $JPDAEXEC run $SECURITY