Unable to run appium server using this method

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I wrote this method to start appium server …

import org.apache.commons.exec.CommandLine;
import org.apache.commons.exec.DefaultExecuteResultHandler;
import org.apache.commons.exec.DefaultExecutor;
import java.io.IOException;

public class AppiumServerUtils {

public static void startServer() {
    CommandLine cmd = new CommandLine("\"C:\\Program Files\\nodejs\\node.exe\"");
    cmd.addArgument("\"C:\\Users\\HP\\AppData\\Roaming\\npm\\node_modules\\appium\\build\\lib\\main.js\"");
    cmd.addArgument("--address");
    cmd.addArgument("127.0.0.1");
    cmd.addArgument("--port");
    cmd.addArgument("4723");

    DefaultExecuteResultHandler handler = new DefaultExecuteResultHandler();
    DefaultExecutor executor = new DefaultExecutor();
    executor.setExitValue(1);

    try {
        executor.execute(cmd, handler);
        Thread.sleep(10000);
    }catch (IOException | InterruptedException e) {
        e.printStackTrace();
    }

I have latest node and npm versions installed and set env varioables – C:\Users\HP\AppData\Roaming\npm , C:\Program Files\nodejs

when i run this method, i got this error - “[Appium] Command ‘npm.cmd --version’ exited with code 1”

Could you please give me a solution?