[SLING-11703] DefaultErrorHandlerServlet should not write if response is already committed

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Servlets Resolver 2.9.10
• Component/s: Servlets
• Assignee: Carsten Ziegeler
• Reporter: Carsten Ziegeler
• Created: 27/Nov/22 13:27
• Updated: 03/Dec/22 15:15
• Resolved: 27/Nov/22 13:30

Description

The DefaultErrorHandlerServlet is not checking whether the response is committed for html responses. It does so for JSON, but still writes the output which results in garbage.
The servlet shouldn't do anything if the response is already committed, except logging