DCD-1020: We need a JRE symlink too.

group_vars/aws_node_local.yml

@@ -35,9 +35,12 @@ atl_product_installation_current: "{{ atl_product_installation_base }}/current"
 atl_installer_temp: "{{ atl_installation_base }}/tmp"
 
 # NOTE: If using the non-installer java we expect to have the full JDK
-# installed and linked to `/usr/lib/jvm/java`, usually via `alternatives`.
+# installed and linked to `/usr/lib/jvm/java` and # `/usr/lib/jvm/jre`.
+# See product_common/task/ubuntu.yml for an example of apropriate
+# linking using `alternatives`.
 atl_java_home: "{{ '/usr/lib/jvm/java' if atl_use_system_jdk else (atl_product_installation_current + '/jre') }}"
-atl_java_binary: "{{ atl_java_home }}/bin/java"
+atl_jre_home: "{{ '/usr/lib/jvm/jre' if atl_use_system_jdk else atl_java_home }}"
+atl_java_binary: "{{ atl_jre_home }}/bin/java"
 
 atl_product_logs_default: &logs_default
   - path: "{{ atl_product_installation_current }}/logs/*"

roles/product_common/tasks/ubuntu.yml

@@ -8,13 +8,20 @@
         name:
           - openjdk-{{ java_major_version }}-jdk-headless
 
-    - name: Ensure common symlink exists
+    - name: Ensure common JDK symlink exists
       alternatives:
         link: "/usr/lib/jvm/java"
         name: "java_sdk"
         path: "/usr/lib/jvm/java-8-openjdk-amd64"
         priority: 99
 
+    - name: Ensure common JRE symlink exists
+      alternatives:
+        link: "/usr/lib/jvm/jre"
+        name: "jre"
+        path: "/usr/lib/jvm/java-8-openjdk-amd64/jre"
+        priority: 99
+
   when: atl_use_system_jdk
   tags:
     - runtime_pkg