Add submodule

.gitlab-ci.yml

@@ -67,6 +67,7 @@ build_and_deploy:
     - main
   stage: deploy_java
   script:
+    - 'git submodule init'
     - 'mvn $MAVEN_OPTS $MAVEN_CLI_OPTS $MAVEN_DEPLOY_OPTS -U clean verify -Ptextgrid.deb'
   artifacts:
     name: WEBAPP_DEB_PACKAGES