OpenSearch throws an ArrayIndexOutOfBoundsException and a NullPointerException

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.0 CE RC6, 6.2.0 CE GA1, 6.2.1 CE GA2, 6.2.10 EE GA1, 7.0.0 M3
• Fix Version/s: 6.2.2 CE GA3 , 6.2.3 CE GA4, 6.2.X EE, 7.0.0 M2
• Component/s: Web Search, Web Search > Search Widgets, ~[Archived] WCM
• Labels:
  • liferay-fixpack-search-11-6210
  • liferay-fixpack-web-content-17-6210
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Story Points: 9
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/20908

Steps to Reproduce
1- Create 1-2 arbitrary Web Contents by Test user.
2- Goto http://localhost:8080/c/search/open_search?keywords=test

Result:
1- Status page loaded with "Internal Server Error" (See: LPS-47341-reproduced-1.png)
2- Log entries:

10:56:23,226 ERROR [http-bio-9080-exec-7][PortletRequestProcessor:466] Forward does not exist
10:56:23,536 ERROR [http-bio-9080-exec-7][status_jsp:754] java.text.ParseException: Unparseable date: ""

Note: In PortalOpenSearchImpl#search the following code would caused an NPE, if the first issue (ParseException) was solved:

					String snippet = results.snippet(i);

					Summary summary = indexer.getSummary(
						result, snippet, portletURL, null, null);

This is because we don't return such snippet in the "Hits" since LPS-28728, instead, we have dedicated fields to store the snippets.

Expected result: See: LPS-47341-fixed-1.png