NullPointerException is thrown when searching liferay-0 index

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, 7.2.X, Master
• Fix Version/s: 7.1.10 DXP FP19, 7.1.10.5 SP5, 7.1.X, 7.2.10 DXP FP7, 7.2.X, 7.3.4 CE GA5, 7.3.10 DXP GA1, Master
• Component/s: Web Search > Search Widgets
• Labels:
  • ee-bp
  • ee-ts
  • liferay-dxp-71-sp5
  • liferay-fixpack-dxp-19-7110
  • liferay-fixpack-dxp-7-7210
• Branch Version/s:
  7.2.x, 7.1.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/91279

Steps

(For master branch: Go to Control Panel > Server Administration > Log Levels and set com.liferay to debug level since the NPE will only log with debug enabled)

1. Create a new page
2. Add low level search options
   • Add configurations:
   • Indexes: liferay-0
   • Federated Search Key: liferay-0
3. Add search results widget
   • Add configurations:
   • Federated Search Key: liferay-0
4. Refresh page or revisit page

Expected

No errors in tomcat logs

Actual

NullPointerException in logs

2020-07-10 01:02:07.510 ERROR [http-nio-8080-exec-10][SearchResultSummaryDisplayBuilder:107] java.lang.NullPointerException2020-07-10 01:02:07.510 ERROR [http-nio-8080-exec-10][SearchResultSummaryDisplayBuilder:107] java.lang.NullPointerExceptionjava.lang.NullPointerException at com.liferay.portal.search.web.internal.result.display.builder.SearchResultSummaryDisplayBuilder.appendStagingLabel(SearchResultSummaryDisplayBuilder.java:295) at com.liferay.portal.search.web.internal.result.display.builder.SearchResultSummaryDisplayBuilder.getSummary(SearchResultSummaryDisplayBuilder.java:847) at com.liferay.portal.search.web.internal.result.display.builder.SearchResultSummaryDisplayBuilder.build(SearchResultSummaryDisplayBuilder.java:333) at com.liferay.portal.search.web.internal.result.display.builder.SearchResultSummaryDisplayBuilder.build(SearchResultSummaryDisplayBuilder.java:104) at com.liferay.portal.search.web.internal.search.results.portlet.SearchResultsPortlet.doBuildSummary(SearchResultsPortlet.java:337) at com.liferay.portal.search.web.internal.search.results.portlet.SearchResultsPortlet.doBuildSummaries(SearchResultsPortlet.java:268) at com.liferay.portal.search.web.internal.search.results.portlet.SearchResultsPortlet.buildSummaries(SearchResultsPortlet.java:221) at com.liferay.portal.search.web.internal.search.results.portlet.SearchResultsPortlet.buildDisplayContext(SearchResultsPortlet.java:141) at com.liferay.portal.search.web.internal.search.results.portlet.SearchResultsPortlet.render(SearchResultsPortlet.java:112) at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:127) at com.liferay.portlet.ScriptDataPortletFilter.doFilter(ScriptDataPortletFilter.java:58) at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:124) at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:71) at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:115) at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)