compile, package, 실행

mhchae3@DESKTOP-SRQ9MD1:~/mvnproject/mvn-lib$ mvn compile

mhchae3@DESKTOP-SRQ9MD1:~/mvnproject/mvn-lib$ mvn package

 

mhchae3@DESKTOP-SRQ9MD1:~/mvnproject/mvn-lib/target$ ls
classes  generated-sources  generated-test-sources  maven-archiver  maven-status  mvn-lib-1.0-SNAPSHOT.jar  surefire-reports  test-classes

 

실행 : 에러 발생
mhchae3@DESKTOP-SRQ9MD1:~/mvnproject/mvn-lib/target$ java -jar mvn-lib-1.0-SNAPSHOT.jar
no main manifest attribute, in mvn-lib-1.0-SNAPSHOT.jar
mhchae3@DESKTOP-SRQ9MD1:~/mvnproject/mvn-lib/target$

 

mhchae3@DESKTOP-SRQ9MD1:~/mvnproject/mvn-lib$ mvn exec:java

Downloaded from central: https://repo.maven.apache.org/maven2/org/codehaus/plexus/plexus-utils/4.0.0/plexus-utils-4.0.0.jar (192 kB at 987 kB/s)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  2.825 s
[INFO] Finished at: 2024-02-02T12:38:09+09:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:3.1.1:java (default-cli) on project mvn-lib: The parameters 'mainClass' for goal org.codehaus.mojo:exec-maven-plugin:3.1.1:java are missing or invalid -> [Help 1]
[ERROR]

 

 

pom.xml 수정 - 다음 내용을 추가함

          <groupId>org.codehaus.mojo</groupId>

          <artifactId>exec-maven-plugin</artifactId>

          <version>3.1.1</version>

          <configuration>

              <mainClass>com.tuyano.lib.App</mainClass>

          </configuration>

/plugin>

 

재실행

mhchae3@DESKTOP-SRQ9MD1:~/mvnproject/mvn-lib$ mvn exec:java
[INFO] Scanning for projects...
[INFO]
[INFO] -------------------------< com.tuyano:mvn-lib >-------------------------
[INFO] Building mvn-lib 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- exec-maven-plugin:3.1.1:java (default-cli) @ mvn-lib ---
Lib [name=Hanako, msg=I am flower....]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.556 s
[INFO] Finished at: 2024-02-02T13:12:48+09:00
[INFO] ------------------------------------------------------------------------
mhchae3@DESKTOP-SRQ9MD1:~/mvnproject/mvn-lib$

 

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