* 참조 : https://www.lagomframework.com/documentation/1.3.x/java/GettingStartedMaven.html#Generate-a-project-with-the-Lagom-archetype

1. 특정 위치에 폴더 생성및 이동
mkdir c:tmpHello
cd c:tmpHello

2. Hello 샘플 프로젝트 자동생성 실행
mvn archetype:generate -Dfilter=com.lightbend.lagom:maven-archetype-lagom-java

3. 진행화면
C:tmpHello>mvn archetype:generate -Dfilter=com.lightbend.lagom:maven-archetype-lagom-java
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> maven-archetype-plugin:3.0.1:generate (default-cli) > generate-sources @ standalone-pom >>>
[INFO]
[INFO] <<< maven-archetype-plugin:3.0.1:generate (default-cli) < generate-sources @ standalone-pom <<<
[INFO]
[INFO] --- maven-archetype-plugin:3.0.1:generate (default-cli) @ standalone-pom ---
[INFO] Generating project in Interactive mode
[INFO] No archetype defined. Using maven-archetype-quickstart (org.apache.maven.archetypes:maven-archetype-quickstart:1.0)
Choose archetype:
1: remote -> com.lightbend.lagom:maven-archetype-lagom-java (maven-archetype-lagom-java)
Choose a number or apply filter (format: [groupId:]artifactId, case sensitive contains): : 1
Choose com.lightbend.lagom:maven-archetype-lagom-java version:
1: 1.1.0-RC1
2: 1.1.0
3: 1.2.0-RC1
4: 1.2.0-RC2
5: 1.2.0
6: 1.2.1
7: 1.2.2
8: 1.2.3
9: 1.3.0-M1
10: 1.3.0-RC1
11: 1.3.0-RC2
12: 1.3.0
13: 1.3.1
14: 1.3.2
15: 1.3.3
16: 1.3.4
17: 1.3.5
18: 1.3.6
19: 1.3.7-RC1
20: 1.3.7
21: 1.3.8-M1
22: 1.3.8
23: 1.3.9
24: 1.3.10-M1
25: 1.3.10
26: 1.4.0-M1
27: 1.4.0-M2
28: 1.4.0-M3
29: 1.4.0-RC1
Choose a number: 29: 29
Downloading: https://repo.maven.apache.org/maven2/com/lightbend/lagom/maven-archetype-lagom-java/1.4.0-RC1/maven-archetype-lagom-java-1.4.0-RC1.pom
Downloaded: https://repo.maven.apache.org/maven2/com/lightbend/lagom/maven-archetype-lagom-java/1.4.0-RC1/maven-archetype-lagom-java-1.4.0-RC1.pom (2 KB at 3.8 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/com/lightbend/lagom/maven-archetype-lagom-java/1.4.0-RC1/maven-archetype-lagom-java-1.4.0-RC1.jar
Downloaded: https://repo.maven.apache.org/maven2/com/lightbend/lagom/maven-archetype-lagom-java/1.4.0-RC1/maven-archetype-lagom-java-1.4.0-RC1.jar (35 KB at 101.2 KB/sec)
Define value for property 'groupId': com.example.hello
Define value for property 'artifactId': my-first-system
Define value for property 'version' 1.0-SNAPSHOT: : Enter
Define value for property 'package' com.example.hello: : Enter
[INFO] Using property: scala-binary-version = 2.12
[INFO] Using property: service1ClassName = Hello
[INFO] Using property: service1Name = hello
[INFO] Using property: service2ClassName = Stream
[INFO] Using property: service2Name = stream
Confirm properties configuration:
groupId: com.example.hello
artifactId: my-first-system
version: 1.0-SNAPSHOT
package: com.example.hello
scala-binary-version: 2.12
service1ClassName: Hello
service1Name: hello
service2ClassName: Stream
service2Name: stream
  Y: : Y
[INFO] ----------------------------------------------------------------------------
[INFO] Using following parameters for creating project from Archetype: maven-archetype-lagom-java:1.4.0-RC1
[INFO] ----------------------------------------------------------------------------
[INFO] Parameter: groupId, Value: com.example.hello
[INFO] Parameter: artifactId, Value: my-first-system
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] Parameter: package, Value: com.example.hello
[INFO] Parameter: packageInPathFormat, Value: com/example/hello
[INFO] Parameter: service2Name, Value: stream
[INFO] Parameter: service1Name, Value: hello
[INFO] Parameter: groupId, Value: com.example.hello
[INFO] Parameter: service1ClassName, Value: Hello
[INFO] Parameter: scala-binary-version, Value: 2.12
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] Parameter: package, Value: com.example.hello
[INFO] Parameter: service2ClassName, Value: Stream
[INFO] Parameter: artifactId, Value: my-first-system
[INFO] Project created from Archetype in dir: C:tmpHellomy-first-system
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 05:50 min
[INFO] Finished at: 2018-01-19T15:31:56+09:00
[INFO] Final Memory: 17M/217M
[INFO] ------------------------------------------------------------------------

*컴파일시 getName(), getMessage()가 정의되지 않았다는 오류가 발생하면 https://www.gooper.com/ss/index.php?mid=bigdata&category=2825&document_srl=3572 를 참고하여 조치하고 재 컴파일 해준다.

4. 프로젝트 구조

my-first-system
 └ hello-api/             → hello world api project dir
 └ hello-impl/            → hello world implementation dir
 └ integration-tests/
 └ stream-api/            → stream api project dir
 └ stream-impl/           → stream implementation project dir
 └ pom.xml                → Project group build file

5. Hello 서비스 실행

cd my-first-system

mvn lagom:runAll

...
[info] Starting embedded Cassandra server
..........
[info] Cassandra server running at 127.0.0.1:4000
[info] Service locator is running at http://localhost:8000
[info] Service gateway is running at http://localhost:9000
...
[info] Service hello-impl listening for HTTP on 0:0:0:0:0:0:0:0:24266
[info] Service stream-impl listening for HTTP on 0:0:0:0:0:0:0:0:26230
(Services started, press enter to stop and go back to the console...)

6.hello 서비스 수행확인(HTTP client의 endpoint를 이용하여 확인)

http://localhost:9000/api/hello/World