maven plugin을 찾지 못햇다고 뜨네요

Question

$ ./mvnw package [INFO] Scanning for projects... [INFO] [INFO] ------------< org.springframework.samples:spring-petclinic >------------ [INFO] Building petclinic 2.4.0.BUILD-SNAPSHOT [INFO] --------------------------------[ jar ]--------------------------------- Downloading from spring-snapshots: https://repo.spring.io/snapshot/org/springframework/boot/spring-boot-maven-plugin/2.4 .0/spring-boot-maven-plugin-2.4.0.pom Downloading from spring-milestones: https://repo.spring.io/milestone/org/springframework/boot/spring-boot-maven-plugin/2 .4.0/spring-boot-maven-plugin-2.4.0.pom Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-maven-plugin/2.4.0/s pring-boot-maven-plugin-2.4.0.pom [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.985 s [INFO] Finished at: 2020-12-01T14:48:28+09:00 [INFO] ------------------------------------------------------------------------ [ERROR] Plugin org.springframework.boot:spring-boot-maven-plugin:2.4.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.springframework.boot:spring-boot-maven-plugin:jar:2.4.0: Could not transfer artifact org.springframework.boot:spring-boot-maven-plugin:pom:2.4.0 from/to spring-snapshots (https://repo.spring.io/sn apshot): Transfer failed for https://repo.spring.io/snapshot/org/springframework/boot/spring-boot-maven-plugin/2.4.0/spr ing-boot-maven-plugin-2.4.0.pom: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterEx ception: the trustAnchors parameter must be non-empty -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException user@DESKTOP-SDILS47 MINGW64 ~/IdeaProjects/spring-petclinic (main) $ mvn clean package bash: mvn: command not found user@DESKTOP-SDILS47 MINGW64 ~/IdeaProjects/spring-petclinic (main) $ mvnw package bash: mvnw: command not found user@DESKTOP-SDILS47 MINGW64 ~/IdeaProjects/spring-petclinic (main) $ mvnw packcage bash: mvnw: command not found user@DESKTOP-SDILS47 MINGW64 ~/IdeaProjects/spring-petclinic (main) $ ./mvnw package [INFO] Scanning for projects... [INFO] [INFO] ------------< org.springframework.samples:spring-petclinic >------------ [INFO] Building petclinic 2.4.0.BUILD-SNAPSHOT [INFO] --------------------------------[ jar ]--------------------------------- Downloading from spring-snapshots: https://repo.spring.io/snapshot/org/springframework/boot/spring-boot-maven-plugin/2.4 .0/spring-boot-maven-plugin-2.4.0.pom Downloading from spring-milestones: https://repo.spring.io/milestone/org/springframework/boot/spring-boot-maven-plugin/2 .4.0/spring-boot-maven-plugin-2.4.0.pom Downloading from central: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-maven-plugin/2.4.0/s pring-boot-maven-plugin-2.4.0.pom [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.228 s [INFO] Finished at: 2020-12-01T14:49:46+09:00 [INFO] ------------------------------------------------------------------------ [ERROR] Plugin org.springframework.boot:spring-boot-maven-plugin:2.4.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.springframework.boot:spring-boot-maven-plugin:jar:2.4.0: Could not transfer artifact org.springframework.boot:spring-boot-maven-plugin:pom:2.4.0 from/to spring-snapshots (https://repo.spring.io/sn apshot): Transfer failed for https://repo.spring.io/snapshot/org/springframework/boot/spring-boot-maven-plugin/2.4.0/spr ing-boot-maven-plugin-2.4.0.pom: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterEx ception: the trustAnchors parameter must be non-empty -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException ./mvnw package 로 실행을 햇는데 찾지 못햇다고 뜨네요 혹시 어떻게 하면 될까요??

백기선 · Answer

네트워크에 문제가 있는거 같네요. https://repo.spring.io/snapshot에 접근을 못하는것 같은데 혹시 회사내에 방화벽 설정이 있나요? 제가 방금 시도해 봤을 때는 빌드가 잘 됐거든요. mvnw 명령어를 못찾는 문제는 운영체제와 PATH에 대해 학습을 해보시면 알게 되실 거에요.