Update httpserver (#9930)

Lift java version -> 25
Use VirtualTaskPerThreadExecutor

frameworks/Java/httpserver/httpserver-postgres.dockerfile

@@ -1,13 +1,13 @@
-FROM maven:3.6.1-jdk-11-slim as maven
+FROM maven:3-eclipse-temurin-24-alpine as maven
 WORKDIR /httpserver
 COPY pom.xml pom.xml
 COPY src src
 RUN mvn compile assembly:single -q
 
-FROM openjdk:11.0.3-jdk-slim
+FROM openjdk:25-jdk-slim
 WORKDIR /httpserver
 COPY --from=maven /httpserver/target/httpserver-1.0-jar-with-dependencies.jar app.jar
 
 EXPOSE 8080
 
-CMD ["java", "-server", "-XX:+UseNUMA", "-XX:+UseParallelGC", "-XX:+AggressiveOpts", "-jar", "app.jar", "postgres"]
+CMD ["java", "-server", "-XX:+UseNUMA", "-XX:+UseParallelGC", "-jar", "app.jar", "postgres"]

frameworks/Java/httpserver/httpserver.dockerfile

@@ -1,13 +1,13 @@
-FROM maven:3.6.1-jdk-11-slim as maven
+FROM maven:3-eclipse-temurin-24-alpine as maven
 WORKDIR /httpserver
 COPY pom.xml pom.xml
 COPY src src
 RUN mvn compile assembly:single -q
 
-FROM openjdk:11.0.3-jdk-slim
+FROM openjdk:25-jdk-slim
 WORKDIR /httpserver
 COPY --from=maven /httpserver/target/httpserver-1.0-jar-with-dependencies.jar app.jar
 
 EXPOSE 8080
 
-CMD ["java", "-server", "-XX:+UseNUMA", "-XX:+UseParallelGC", "-XX:+AggressiveOpts", "-jar", "app.jar"]
+CMD ["java", "-server", "-XX:+UseNUMA", "-XX:+UseParallelGC", "-jar", "app.jar"]

frameworks/Java/httpserver/src/main/java/benchmarks/Server.java

@@ -132,7 +132,7 @@ public class Server {
             System.setProperty("org.slf4j.simpleLogger.defaultLogLevel", "DEBUG");
         // create server
         HttpServer server = HttpServer.create(new InetSocketAddress(port), 1024 * 8);
-        server.setExecutor(Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()));
+        server.setExecutor(Executors.newVirtualThreadPerTaskExecutor());
         // add context handlers
         server.createContext("/plaintext", createPlaintextHandler());
         server.createContext("/json", createJSONHandler());