An example of how to configure the openapi-generator plugin for your maven projects

openapi-generator-maven-plugin-configuration.xml

<plugin>
    <groupId>org.openapitools</groupId>
    <artifactId>openapi-generator-maven-plugin</artifactId>
    <executions>
        <execution>
            <goals>
                <goal>generate</goal>
            </goals>
            <configuration>
                <skipValidateSpec>false</skipValidateSpec>
                <inputSpec>openapi.yaml</inputSpec>
                <output>${project.basedir}</output>
                <generatorName>java</generatorName>
                <addCompileSourceRoot>true</addCompileSourceRoot>
                <skipOverwrite>false</skipOverwrite>

                <modelNameSuffix>Dto</modelNameSuffix>
                <modelPackage>be.ordina.conference.api.model</modelPackage>
                <generateModels>true</generateModels>
                <generateModelTests>false</generateModelTests>
                <generateModelDocumentation>true</generateModelDocumentation>

                <generateApis>false</generateApis>
                <generateSupportingFiles>false</generateSupportingFiles>

                <library>jersey2</library>

                <verbose>true</verbose>
                <configOptions>
                    <dateLibrary>java8-localdatetime</dateLibrary>
                    <java8>true</java8>
                    <useBeanValidation>true</useBeanValidation>
                    <sourceFolder>src/java</sourceFolder>
                </configOptions>
            </configuration>
        </execution>
    </executions>
</plugin>