updated for latest spring boot 3.2.0 + Java 21

Author: vinsguru

architectural-pattern/scatter-gather/airline/Dockerfile

@@ -1,4 +1,4 @@
-FROM openjdk:11.0.6-jre-slim
+FROM bellsoft/liberica-openjdk-alpine:21
 
 WORKDIR /usr/app
 

architectural-pattern/scatter-gather/airline/pom.xml

@@ -15,12 +15,10 @@
         <dependency>
             <groupId>com.vinsguru</groupId>
             <artifactId>common-dto</artifactId>
-            <version>0.0.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>io.nats</groupId>
             <artifactId>jnats</artifactId>
-            <version>2.15.3</version>
         </dependency>
     </dependencies>
 
@@ -30,7 +28,6 @@
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
                 <configuration>
-                    <fork>true</fork>
                     <skip>false</skip>
                 </configuration>
                 <executions>

architectural-pattern/scatter-gather/common-dto/pom.xml

@@ -17,7 +17,6 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.12.0</version>
         </dependency>
     </dependencies>
 

architectural-pattern/scatter-gather/common-dto/src/main/java/com/vinsguru/util/ObjectUtil.java

@@ -6,18 +6,18 @@
 
 public class ObjectUtil {
 
+    private static final ObjectMapper mapper = new ObjectMapper();
+
     public static <T> Optional<T> toObject(byte[] src, Class<T> type){
         try{
-            ObjectMapper mapper = new ObjectMapper();
             return Optional.of(mapper.readValue(src, type));
         }catch (Exception e){
-            return  Optional.empty();
+            return Optional.empty();
         }
     }
 
     public static byte[] toBytes(Object o){
         try{
-            ObjectMapper mapper = new ObjectMapper();
             return mapper.writeValueAsBytes(o);
         }catch (Exception e){
             return new byte[0];

architectural-pattern/scatter-gather/flight-search/Dockerfile

@@ -1,4 +1,4 @@
-FROM openjdk:11.0.6-jre-slim
+FROM bellsoft/liberica-openjdk-alpine:21
 
 WORKDIR /usr/app
 

architectural-pattern/scatter-gather/pom.xml

@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.7.1</version>
+		<version>3.2.0</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.vinsguru</groupId>
@@ -21,9 +21,31 @@
 	<description>Demo project for Spring Boot</description>
 
 	<properties>
-		<java.version>11</java.version>
+		<java.version>21</java.version>
+		<nats.version>2.17.1</nats.version>
+		<jackson.version>2.16.0</jackson.version>
 	</properties>
 
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>com.vinsguru</groupId>
+				<artifactId>common-dto</artifactId>
+				<version>${project.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>io.nats</groupId>
+				<artifactId>jnats</artifactId>
+				<version>${nats.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>com.fasterxml.jackson.core</groupId>
+				<artifactId>jackson-databind</artifactId>
+				<version>${jackson.version}</version>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
 	<dependencies>
 		<dependency>
 			<groupId>org.projectlombok</groupId>