updatePolicy - maven

- Force Repository Update with Maven
https://www.baeldung.com/maven-force-update

- force re-download project dependencies
https://mkyong.com/maven/maven-how-to-force-re-download-project-dependencies/

mvn dependency:purge-local-repository

https://maven.apache.org/plugins/maven-dependency-plugin/examples/purging-local-repository.html

https://maven.apache.org/plugins/maven-dependency-plugin/purge-local-repository-mojo.html

- 특정 library만  re-download
mvn dependency:purge-local-repository -DmanualInclude=GROUP_ID(OR GROUP_ID:ARTIFACT_ID:VERSION,GROUP_ID2:ARTIFACT_ID2:VERSION2) clean package -Pprd



mvn clean package(OR install) -U
-U force update

- maven build 할 때마다 repository 체크하도록 하는 옵션

<repositories>
    <repository>
        <id>nexus</id>
        <name>nexus-public</name>
        <url>http://localhost:8081/repository/maven-public/</url>
        <layout>default</layout>
        <releases>
            <enabled>true</enabled>
            <updatePolicy>always</updatePolicy>
        </releases>
        <snapshots>
            <enabled>true</enabled>
            <updatePolicy>always</updatePolicy>
        </snapshots>
    </repository>
</repositories>

- repository server 배포시 releases와 snapshots 배포 설정

<distributionManagement>
    <repository>
        <id>nexus</id>
        <name>nexus-release</name>
        <url>http://localhost:8081/repository/maven-releases/</url>
        <layout>default</layout>
    </repository>
    <snapshotRepository>
        <id>nexus</id>
        <name>nexus-snapshot</name>
        <url>http://localhost:8081/repository/maven-snapshots/</url>
        <layout>default</layout>
    </snapshotRepository>
</distributionManagement>

- 공식문서
https://maven.apache.org/ref/3.9.4/maven-settings/settings.html

Maven Settings – Settings

-설명
https://recordsoflife.tistory.com/m/1158

Maven 스냅샷 리포지토리와 릴리스 리포지토리 비교