Rossen Stoyanchev f37efb4279 Polish Servlet async request processing ...

* Clarify semantics and behavior of AsyncWebRequest methods in most cases
making a best effort and not raising an exception if async processing
has completed for example due to a timeout. The startAsync() method is
still protected with various checks and will raise ISE under a number
of conditions.
* Return 503 (service unavailable) when requests time out.
* Logging improvements.

Issue: SPR-8517

2012-04-23 12:50:45 -04:00

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Polish Servlet async request processing

2012-04-23 12:50:45 -04:00

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Polish Servlet async request processing

2012-04-23 12:50:45 -04:00