1. 参考 https://blog.csdn.net/wolfcode_cn/article/details/83008800?utm_source=blogxgwz6；

进行测试，当执行到第5步报错，window 10平台，
java -jar .\target\HelloIgnite-runnable.jar

1. 相关代码：

import org.apache.ignite.spi.discovery.tcp.ipfinder.multicast.TcpDiscoveryMulticastIpFinder;

public class HelloIgnite { 

    public static void main(String[] args) {

        System.out.println("Hello Ignite");
        
        // create a new instance of TCP Discovery SPI
        
        TcpDiscoverySpi spi = new TcpDiscoverySpi();
        
        // create a new instance of tcp discovery multicast ip finder 
        TcpDiscoveryMulticastIpFinder tcMp = new TcpDiscoveryMulticastIpFinder(); 

1. 报错信息：

G:\maven\bin\my-app>java -jar target\my-app-1.0.jar
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/ignite/spi/discovery/tcp/ipfinder/TcpDiscoveryIpFinder
        at java.lang.Class.getDeclaredMethods0(Native Method)
        at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
        at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
        at java.lang.Class.getMethod0(Class.java:3018)
        at java.lang.Class.getMethod(Class.java:1784)
        at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
        at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
Caused by: java.lang.ClassNotFoundException: org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 7 more