DefaultGetServlet shoud not use sendError when response is already committed
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Key: SLING-994
URL: https://issues.apache.org/jira/browse/SLING-994
Project: Sling
Issue Type: Bug
Components: Servlets Get
Affects Versions: Scripting JSP-Taglib 2.0.4
Reporter: Carsten Ziegeler
Assignee: Carsten Ziegeler
Fix For: Servlets Get 2.0.6
If no renderer servlet is found in the DefaultGetServlet, it calls sendError().
If this is an included request, sendError usually fails as the response is
already committed. In this case it's hard to detect the underlying problem.
Therefore I suggest to check if this is an included request and in this case
throw a ServletException
I'm not in favour of checking for response isCommitted as this is more
unpredictable
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