Upgrade to Jackson 3.

Closes gh-754

pom.xml

@@ -48,6 +48,7 @@
 		<google-api-services-iam.version>v1-rev20201112-1.31.0</google-api-services-iam.version>
 		<google-cloud-iamcredentials.version>1.2.2</google-cloud-iamcredentials.version>
 		<google-auth-library-oauth2-http.version>0.22.2</google-auth-library-oauth2-http.version>
+		<maven-enforcer-plugin.version>3.5.0</maven-enforcer-plugin.version>
 	</properties>
 
 	<dependencyManagement>
@@ -76,6 +77,18 @@
 				<type>pom</type>
 			</dependency>
 
+			<dependency>
+				<groupId>com.fasterxml.jackson.core</groupId>
+				<artifactId>jackson-annotations</artifactId>
+				<version>3.0-rc5</version>
+			</dependency>
+
+			<dependency>
+				<groupId>tools.jackson.core</groupId>
+				<artifactId>jackson-databind</artifactId>
+				<version>3.0.0-rc5</version>
+			</dependency>
+
 			<!-- HTTP Client Libraries -->
 
 			<!-- BouncyCastle -->

spring-cloud-vault-config/pom.xml

@@ -92,6 +92,16 @@
 			<optional>true</optional>
 		</dependency>
 
+		<dependency>
+			<groupId>tools.jackson.core</groupId>
+			<artifactId>jackson-databind</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-annotations</artifactId>
+		</dependency>
+
 		<!-- Reactor -->
 
 		<dependency>

spring-cloud-vault-config/src/main/java/org/springframework/cloud/vault/config/VaultReactiveHealthIndicator.java

@@ -21,7 +21,6 @@ import java.util.Objects;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import reactor.core.publisher.Mono;
 
 import org.springframework.boot.actuate.health.AbstractReactiveHealthIndicator;
@@ -30,6 +29,7 @@ import org.springframework.boot.actuate.health.Health.Builder;
 import org.springframework.lang.Nullable;
 import org.springframework.vault.client.VaultHttpHeaders;
 import org.springframework.vault.core.ReactiveVaultOperations;
+import org.springframework.vault.support.JacksonCompat;
 import org.springframework.vault.support.VaultHealth;
 import org.springframework.web.reactive.function.client.WebClientResponseException;
 
@@ -51,9 +51,9 @@ public class VaultReactiveHealthIndicator extends AbstractReactiveHealthIndicato
 	private static Mono<? extends VaultHealthImpl> deserializeError(WebClientResponseException e) {
 
 		try {
-			ObjectMapper mapper = new ObjectMapper();
+			JacksonCompat.ObjectMapperAccessor mapper = JacksonCompat.instance().getObjectMapperAccessor();
 			// Response is already materialized so not blocking here.
-			return Mono.just(mapper.readValue(e.getResponseBodyAsByteArray(), VaultHealthImpl.class));
+			return Mono.just(mapper.deserialize(e.getResponseBodyAsByteArray(), VaultHealthImpl.class));
 		}
 		catch (Exception jsonError) {
 			UndeclaredThrowableException t = new UndeclaredThrowableException(jsonError);

spring-cloud-vault-dependencies/pom.xml

@@ -21,6 +21,7 @@
 
 	<properties>
 		<spring-vault.version>4.0.0-SNAPSHOT</spring-vault.version>
+		<maven-enforcer-plugin.version>3.5.0</maven-enforcer-plugin.version>
 	</properties>
 
 	<dependencyManagement>