Don't clean by default when building the configuration, as it will remove all downloaded packages. 'clean' can be added to conga_maven_opts if required.

interatom · interatom · commit 363b8ac28690 · 2017-10-13T13:05:29.000+02:00
diff --git a/tasks/main.yml b/tasks/main.yml
@@ -24,7 +24,7 @@
 
 - name: Build Maven command line.
   set_fact:
-    _mvn_cmdline: "{{ conga_maven_cmd }} {{ conga_maven_opts }} clean compile"
+    _mvn_cmdline: "{{ conga_maven_cmd }} {{ conga_maven_opts }} compile"
 
 - name: Add custom Maven settings.
   set_fact:
