Spring MVC Test can fail to obtain async result due to timing issue [SPR-11516]

[spring-projects-issues]

Rossen Stoyanchev opened SPR-11516 and commented

The simplest way to reproduce the issue is to return a DeferredResult with a set value.

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Affects: 3.2.8, 4.0.2

Issue Links:

• Unstable MVC test for controllers that returns DeferredResult [SPR-11536] #16161 Unstable MVC test for controllers that returns DeferredResult ("is duplicated by")
• MockMvc can't be test under multiple threads. [SPR-10838] #15464 MockMvc can't be test under multiple threads.
• Concurrent result may be missed due to a race condition in MockMvc [SPR-16648] #21189 Concurrent result may be missed due to a race condition in MockMvc

Backported to: 3.2.9