There is no error trace in case of "An unexpected error occured within com.liferay.portlet.exportimport.service.impl.ExportImportLocalServiceImpl"

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, Master
• Fix Version/s: 7.1.10 DXP FP6, 7.1.10.2 SP2, 7.1.3 CE GA4, 7.1.X, Master
• Component/s: Content Publishing > Export/Import
• Labels:
  • QA-NA
  • ee-ts
  • liferay-dxp-71-sp2
  • liferay-fixpack-dxp-6-7110
• Branch Version/s:
  7.1.x
• Backported to Branch:
  Committed
• Story Points: 0.25
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/66135

Steps to reproduce

1. In order to reproduce the issue, during import operation, a unexpected error should be caused in ExportImportLocalServiceImpl module
2. You can reproduce an error there if you try to import following LAR file Public_Pages-20181219111553888.lar
3. In user interface, following error is displayed:

   The file Public_Pages-20181219111553888.lar cannot be imported.
   An unexpected error occured within com.liferay.portlet.exportimport.service.impl.ExportImportLocalServiceImpl.

4. Check log file:
   • Expected behavior: A exception with full stacktrace is dump in log file
   • Wrong behavior: No exception is dump in log file