Commit 0c0ec851 from June 2017 introduced a second html script link to grouperUi.js:

 
GRP-1489: (commit 2) Can't type multiple lines in Add Members copy/paste

{{--- a/grouper-ui/webapp/WEB-INF/grouperUi2/assetsJsp/commonBottom.jsp
+++ b/grouper-ui/webapp/WEB-INF/grouperUi2/assetsJsp/commonBottom.jsp
@@ -13,6 +13,7 @@
<script src="../../grouperExternal/public/assets/js/jquery.form.js"></script>
<script src="../../grouperExternal/public/assets/js/grouper.js"></script>
<script src="../../grouperExternal/public/assets/js/native.history.js"></script>
+<script src="../../grouperExternal/public/assets/js/grouperUi.js?ver=2.4.0"></script>
<script src="../../grouperExternal/public/assets/js/grouperUi.js"></script>
<script src="../../grouperExternal/public/assets/js/wz_tooltip.js"></script>
<script src="../../grouperExternal/public/assets/js/jquery.blockUI.js"></script>
}}
 

 

This commit in 2.3 was to change grouperUi.js to grouperUi.js?ver=2.3.0.patch.30. But the analogous one in master added without replacing, so there are two imports of identical grouperUi.js files. For whatever reason, this makes most V2 links double submit.