Brian Clozel a7f97a1669 Avoid null signals when resolving handler arguments ...

Prior to this commit, resolving an argument for a WebFlux controller
that's missing from the request and not required by the handler would
throw a NullPointerException in some cases.

This involves the conversion of the parameter (a `String` parameter type
might not trigger this behavior) and sending a `null` within a reactive
stream, which is illegal per the RS spec.

We now rely on a `Mono.justOrEmpty()` to handle those specific cases.

Issue: SPR-17050

2018-07-18 14:41:43 +02:00

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main

Avoid null signals when resolving handler arguments

2018-07-18 14:41:43 +02:00

test

Avoid null signals when resolving handler arguments

2018-07-18 14:41:43 +02:00