WebAsyncManager concurrentResult should be volatile [SPR-16571]

[spring-projects-issues]

László Magyar opened SPR-16571 and commented

concurrentResult field of org.springframework.web.context.request.async.WebAsyncManager should be volatile to enforce the read thread to reach the memory.

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Affects: 4.3.14, 5.0.4

Issue Links:

• SimpleAliasRegistry registerAlias not atomic [SPR-16577] #21119 SimpleAliasRegistry registerAlias not atomic

Backported to: 4.3.15

[spring-projects-issues]

Juergen Hoeller commented

Indeed, WebAsyncManager inconsistently guards its concurrentResult field and also concurrentResultContext modifications. Fixed in master now, to be backported to 4.3.15.