Add Servlet 3 async related options to the MVC namespace and Java config [SPR-9694]

[spring-projects-issues]

Rossen Stoyanchev opened SPR-9694 and commented

Allow configuration of default timeout value and default task executor.

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Affects: 3.2 M1

This issue is a sub-task of #14035

Referenced from: commits 9c8c967

[spring-projects-issues]

Rossen Stoyanchev commented

The MVC Java config method to implement is WebMvcConfigurer.configureAsyncSupport(AsyncSupportConfigurer).

The MVC namespace element is:

<mvc:annotation-driven>
  <mvc:async-support default-timeout="2500" task-executor="myExecutor" />
</mvc:annotation-driven>