Unable to include a portal taglib (through "taglibLiferayHash" or "PortalJspTagLibs") in a Dynamic Data Lists Display Template

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.1.2 CE GA3, 6.1.30 EE GA3, 6.1.X EE, 6.2.5 CE GA6, 6.2.10 EE GA1, 7.0.0 CE RC1
• Fix Version/s: 6.2.X EE, 7.0.0 CE RC1
• Component/s: Dynamic Data Lists, Dynamic Data Lists > Display, Dynamic Data Mapping > Template Editor
• Labels:
  • liferay-fixpack-portal-99-6210
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Story Points: 1
• Fix Priority: 3
• Sprint: Sprint 13: Mar, 21 - Apr, 01
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/37964

1. Create a Display Template for the "ToDo" Data Definition (DD):

   <#assign liferay_ui = taglibLiferayHash["/WEB-INF/tld/liferay-ui.tld"] />
   
   <@liferay_ui["icon"]
       iconCssClass="icon-print"
       message="print"
       url="https://www.google.com"
   />
   

2. Create a new Dynamic Data List (DDL) using the "ToDo" DD
3. Add DDL Display Portlet to the Welcome page
4. Configure portlet to use the list
5. Configure portlet to use the Display Template we created in step 1
6. Add a record

Result:

The following has evaluated to null or missing:
==> PortalJspTagLibs  [in template "20202#20246#30516" at line 2, column 23]

----
Tip: If the failing expression is known to be legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----

----
FTL stack trace ("~" means nesting-related):
    - Failed at: #assign liferay_ui = PortalJspTagLibs...  [in template "20202#20246#30516" at line 2, column 1]
----

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This code doesn't work either:

<#assign liferay_ui = PortalJspTagLibs["/WEB-INF/tld/liferay-ui.tld"] />