From 6a38ed26f310c944210d8144a1e1ef28dfff8fd2 Mon Sep 17 00:00:00 2001
From: Andy Wilkinson <awilkinson@pivotal.io>
Date: Mon, 16 Jul 2018 11:29:13 +0100
Subject: [PATCH] Restore compatibility with Spring Framework 5.1 when reading
 request parts

Closes gh-528
---
 .../restdocs/webtestclient/WebTestClientRequestConverter.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-restdocs-webtestclient/src/main/java/org/springframework/restdocs/webtestclient/WebTestClientRequestConverter.java b/spring-restdocs-webtestclient/src/main/java/org/springframework/restdocs/webtestclient/WebTestClientRequestConverter.java
index 724d05f0..4531c525 100644
--- a/spring-restdocs-webtestclient/src/main/java/org/springframework/restdocs/webtestclient/WebTestClientRequestConverter.java
+++ b/spring-restdocs-webtestclient/src/main/java/org/springframework/restdocs/webtestclient/WebTestClientRequestConverter.java
@@ -101,7 +101,9 @@ class WebTestClientRequestConverter implements RequestConverter<ExchangeResult>
 			return Collections.emptyList();
 		}
 		return new MultipartHttpMessageReader(new SynchronossPartHttpMessageReader())
-				.readMono(null, new ExchangeResultReactiveHttpInputMessage(result), null)
+				.readMono(ResolvableType.forClass(Part.class),
+						new ExchangeResultReactiveHttpInputMessage(result),
+						Collections.emptyMap())
 				.onErrorReturn(new LinkedMultiValueMap<>()).block().values().stream()
 				.flatMap((parts) -> parts.stream().map(this::createOperationRequestPart))
 				.collect(Collectors.toList());