Avoid javadoc build failure against HttpClient 5.5.x

build.gradle

@@ -91,14 +91,14 @@ configure([rootProject] + javaProjects) { project ->
 			"https://fasterxml.github.io/jackson-core/javadoc/2.14/",
 			"https://fasterxml.github.io/jackson-databind/javadoc/2.14/",
 			"https://fasterxml.github.io/jackson-dataformat-xml/javadoc/2.14/",
-			"https://hc.apache.org/httpcomponents-client-5.5.x/current/httpclient5/apidocs/",
+			//"https://hc.apache.org/httpcomponents-client-5.5.x/current/httpclient5/apidocs/",
 			"https://projectreactor.io/docs/test/release/api/",
 			"https://junit.org/junit4/javadoc/4.13.2/",
 			// TODO Uncomment link to JUnit 5 docs once we execute Gradle with Java 18+.
 			// See https://github.com/spring-projects/spring-framework/issues/27497
 			//
 			// "https://junit.org/junit5/docs/5.14.2/api/",
-			"https://www.reactive-streams.org/reactive-streams-1.0.3-javadoc/",
+			"https://www.reactive-streams.org/reactive-streams-1.0.4-javadoc/",
 			//"https://javadoc.io/static/io.rsocket/rsocket-core/1.1.1/",
 			"https://r2dbc.io/spec/1.0.0.RELEASE/api/",
 			// Previously there could be a split-package issue between JSR250 and JSR305 javax.annotation packages,