gradle2

package bootstrap;

import java.lang.reflect.Field;
import java.net.InetAddress;

public class BootstrapServer {
    public static void main(String[] args) throws Exception {
        // --- Read forced hostname from JVM property ---
        String forcedHost = System.getProperty("forced.hostname", "default-hostname");

        // --- Overwrite InetAddress defaultLocalHost cache ---
        Field cached = InetAddress.class.getDeclaredField("defaultLocalHost");
        cached.setAccessible(true);
        cached.set(null, InetAddress.getByName(forcedHost));

        // --- Delegate to the real external main class ---
        com.citigroup.get.quantum.server.Server.main(args);
    }
}

===============

task runQuantum(type: JavaExec, dependsOn: compileJava) {
    group = 'instances'
    description = 'Run Quantum Server with forced hostname and tmpdir'

    mainClass = 'bootstrap.BootstrapServer'
    classpath = sourceSets.main.runtimeClasspath + files('libs/external-jars')

    // --- JVM args ---
    jvmArgs(
        "-Dforced.hostname=egtpsga56.nam.nsroot.net",  // hostname override
        "-Ddds.tmpdir=${buildDir}/dds_tmp"            // tmp dir override
    )

    doFirst {
        println "=== PRE-START INFO ==="
        println "JVM args: ${jvmArgs}"
        println "Working dir: ${workingDir}"
        println "======================"
    }

    // Pass any regular program args if needed
    args "file://src/main/config/quantum/$asset/$region/$env", instanceName, "dummy"

    standardInput = System.in
}