Upgrade to Jackson 2.9.9.20190727 BOM.

pom.xml

@@ -72,7 +72,7 @@
 		<assertj.version>3.12.2</assertj.version>
 		<flapdoodle.version>2.2.0</flapdoodle.version>
 		<hamcrest.version>1.3</hamcrest.version>
-		<jackson.version>2.9.8</jackson.version>
+		<jackson-bom.version>2.9.9.20190727</jackson-bom.version>
 		<jsr305.version>3.0.2</jsr305.version>
 		<junit.version>4.12</junit.version>
 		<lombok.version>1.18.6</lombok.version>
@@ -80,7 +80,7 @@
 		<mongo.version>3.10.1</mongo.version>
 		<mongo-reactivestreams.version>1.11.0</mongo-reactivestreams.version>
 		<reactor.version>Californium-SR6</reactor.version>
-		<spring.version>5.2.0.M1</spring.version>
+		<spring.version>5.2.0.M3</spring.version>
 		<spring-data.version>Moore-M3</spring-data.version>
 		<spring-security.version>5.1.5.RELEASE</spring-security.version>
 		<spring-session.version>2.2.0.M1</spring-session.version>
@@ -454,6 +454,14 @@
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
+
+			<dependency>
+				<groupId>com.fasterxml.jackson</groupId>
+				<artifactId>jackson-bom</artifactId>
+				<version>${jackson-bom.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>
 
@@ -490,7 +498,6 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>${jackson.version}</version>
 		</dependency>
 
 		<dependency>