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JavaをMacで開発してたときのメモ

Last updated at Posted at 2022-12-14

macOSでのJDKのインストール

STS(Spring Tool Suite)のポート番号変更

application.propertiesを編集

スクリーンショット_2022-04-01_20.53.29.jpg
スクリーンショット_2022-04-01_20.54.06.png

DemoApplicationTests.javaの

エラー

※pom.xmlを修正しても、src/test/javaDemoApplicationTests.javaが、エラーになった場合。

DemoApplicationTests.javaのimportを以下に変更

DemoApplicationTests.java
import org.junit.Test;
import org.springframework.boot.test.context.SpringBootTest;

The requested profile "pom.xml" could not be activated because it does not exist.の解消

maven install

[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.548 s[INFO] Finished at: 2017-12-31T02:08:08+09:00[INFO] Final Memory: 11M/243M
[INFO] ------------------------------------------------------------------------
[WARNING] The requested profile "pom.xml" could not be activated because it does not exist.
  1. プロジェクト名を右クリック→プロパティーMaven
  2. アクティブmavenプロファイルに入力されているpom.xmlを削除して適用して閉じる
  3. もう一度maven install
[INFO] --- maven-install-plugin:2.5.2:install (default-install) @ demo ---
[INFO] Installing /Applications/SpringToolSuite4.app/workspace/demo/target/demo-0.0.1-SNAPSHOT.jar to /Users/mkk/.m2/repository/com/example/demo/0.0.1-SNAPSHOT/demo-0.0.1-SNAPSHOT.jar
[INFO] Installing /Applications/SpringToolSuite4.app/workspace/demo/pom.xml to /Users/mkk/.m2/repository/com/example/demo/0.0.1-SNAPSHOT/demo-0.0.1-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  4.996 s[INFO] Finished at: 2022-04-01T21:09:15+09:00[INFO] ------------------------------------------------------------------------

参考記事

jarファイルの実行

  1. maven installで作成されたtargetフォルダを開いてjarファイルをコピー

スクリーンショット_2022-04-01_21.35.24.jpg

  1. 適当なフォルダの中にペーストして名前を変えておく(hello.jarにした)
  2. ターミナルで2のフォルダに移動してjava -jar hello.jarを実行
% java -jar hello.jar

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.6.6)

2022-04-01 21:24:17.222  INFO 4985 --- [           main] com.example.demo.DemoApplication         : Started DemoApplication in 1.63 seconds (JVM running for 2.155)
2022-04-01 21:24:41.606  INFO 4985 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
2022-04-01 21:24:41.607  INFO 4985 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2022-04-01 21:24:41.608  INFO 4985 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms

jarファイルがあればTomcatがなくても(Webサーバーがなくても)Webアプリが起動できる

※Javaがインストールされていることが前提

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