Fail to load RSS with Navigation as Display Template

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.13 DXP U53, 7.4.3.53 CE GA53, Master
• Component/s: Content Display Widgets > RSS Publisher widget
• Labels:
  • 7.4-known-issues
  • 7.4.13-u53
  • QA-AUTOMATION
  • liferay-ga52-ce-743-known-issues
• Fix Priority: 3
• Last Working Version:
  7.4.13 DXP U52
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/10409
• Bug Type: Regression Bug
• QA Test Name:
  • LocalFile.RSS#ChangeDefaultDisplayTemplateToNavigation
• QA Test Score: 3

Step to reproduce:

1. Add a RSS Publisher widget to widget page
2. Navigate to RSS Publisher configuration
3. Add a Title and URL
4. Click on Display Settings tab
5. Select Navigation as Menu Display
6. Close the modal

2022-11-22 19:47:08.756 ERROR [http-nio-8080-exec-8][runtime:59] Error executing FreeMarker template
freemarker.core._MiscTemplateException: Can't compare values of these types. Allowed comparisons are between two numbers, two strings, two dates, or two booleans.
Left hand operand is a number (wrapper: f.t.SimpleNumber).
Right hand operand is a string (wrapper: f.t.SimpleScalar).
The blamed expression:
==> rssFeedEntry_index >= entriesPerFeed!4?number  [in template "20097#20123#43275" at line 28, column 71]

----
FTL stack trace ("~" means nesting-related):
	- Failed at: #if (rssFeedEntry_index >= entriesPer...  [in template "20097#20123#43275" at line 28, column 65]
----
	at freemarker.core.EvalUtil.compare(EvalUtil.java:303) ~[?:?]
	at freemarker.core.EvalUtil.compare(EvalUtil.java:115) ~[?:?]
	at freemarker.core.ComparisonExpression.evalToBoolean(ComparisonExpression.java:78) ~[?:?]
	at freemarker.core.ParentheticalExpression.evalToBoolean(ParentheticalExpression.java:35) ~[?:?]
	at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:48) ~[?:?]
	at freemarker.core.Environment.visit(Environment.java:367) ~[?:?]
	at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:329) ~[?:?]

Evidence: (ActualResult_Nov22_LPS169370_master.mp4)

Expected Results:
The template is successfully loaded.

Current Results:
An error occurred while processing the template.

Reproduced on:
Tomcat 9.0.65 + MySQL 8.0 Portal master GIT ID: fb2f2d6cc318ef108e21bfc615b4e09dcbff907e
Cannot be reproduced on:
Tomcat 9.0.65 + MySQL 8.0. Liferay DXP 7.4.13 U51