problem

take springboot The project into jar package , And then java -jar Package name Report errors ,

The reason is that we can't find jar In bag main The class of the method , The main entry of the program cannot be found .

solve

Situation 1

Your project is inherited from spring-boot-starter-parent , In the of the micro service to be packaged pom.xml Add the following configuration :

		<plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>

Situation two

Your project does not inherit from spring-boot-starter-parent , But through < dependencyManagement > Tags introduced , You need to specify it manually main Location of the method , Add the following configuration :

	<build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.5.6</version>
                <configuration>
                    <mainClass>com.zxb.oss.OssApplication</mainClass>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>