使用maven pom.xml用不同的选项启动同一个java进程的两个实例。

<build>
    <plugins>
        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>exec-maven-plugin</artifactId>
            <version>1.6.0</version>
            <executions>
                <execution>
                    <id>instance1</id>
                    <goals>
                        <goal>java</goal>
                    </goals>
                    <configuration>
                        <mainClass>com.example.Instance1Main</mainClass>
                        <arguments>
                            <argument>instance1</argument>
                        </arguments>
                    </configuration>
                </execution>
                <execution>
                    <id>instance2</id>
                    <goals>
                        <goal>java</goal>
                    </goals>
                    <configuration>
                        <mainClass>com.example.Instance2Main</mainClass>
                        <arguments>
                            <argument>instance2</argument>
                        </arguments>
                    </configuration>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

package com.example;

public class Instance1Main {
    public static void main(String[] args) {
        System.out.println("Instance 1 started");
        // 实例1的具体逻辑
    }
}

package com.example;

public class Instance2Main {
    public static void main(String[] args) {
        System.out.println("Instance 2 started");
        // 实例2的具体逻辑
    }
}

mvn exec:java@instance1
mvn exec:java@instance2