ClientAbortExceptions should only show the stack trace at DEBUG level

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, 7.2.X, 7.3.X, Master
• Fix Version/s: 7.2.10 DXP FP12, 7.2.X, 7.3.7 CE GA8, 7.3.10 DXP FP2, 7.3.X, 7.4.0 CE GA1, 7.4.13 DXP GA1, Master
• Component/s: Portal Services > Portal Utilities
• Labels:
  • ee-ts
  • liferay-fixpack-dxp-12-7210
  • liferay-fixpack-dxp-2-7310
• Branch Version/s:
  7.3.x, 7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Git Pull Request: https://github.com/shuyangzhou/liferay-portal/pull/9862

Steps to reproduce:

1. Upload a big video to Documents Admin
2. Copy its download URL
3. Execute the command "wget <DOWNLOAD_URL>" via command line
4. Press CTRL+C before finishing the download
5. Check that no logs are shown
6. Increase log levels for com.liferay.portal.kernel.servlet.ServletResponseUtil to WARN
7. Repeat steps 4 and 5

Expected results:

• A warning message is shown without any stack trace

Actual results:

• A warning message is shown
• The stack trace is printed afterwards. (This stack trace should only be visible at DEBUG level)

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Original steps to reproduce:

1. Visit localhost:8080
2. Stop the navigation before the page is loaded completely
3. Check server logs