从Artifactory下载文件的Java代码不起作用
从Artifactory下载文件的Java代码不起作用
提问于 2018-09-13 08:07:48
我的项目具有以下结构。
$tree
.
├── [4.0K] src/
│ └── [4.0K] main/
│ └── [4.0K] java/
│ └── [4.0K] org/
│ └── [4.0K] jfrog/
│ └── [4.0K] example/
│ └── [6.2K] ClientExample.java
├── [1.3K] pom.xml
└── [ 781] README.md这是来自
JFrog artifactory java client maven example
如果我执行mvn compile，我会得到以下输出。
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building maven-example 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ maven-example ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /home/karthik/Workspace/project-examples/artifactory-client-java-examples/maven-example/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.3:compile (default-compile) @ maven-example ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent!
[INFO] Compiling 1 source file to /home/karthik/Workspace/project-examples/artifactory-client-java-examples/maven-example/target/classes
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.592 s
[INFO] Finished at: 2018-09-13T12:03:07+12:00
[INFO] Final Memory: 18M/135M
[INFO] ------------------------------------------------------------------------然后是mvn package
INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building maven-example 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ maven-example ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /home/karthik/Workspace/project-examples/artifactory-client-java-examples/maven-example/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.3:compile (default-compile) @ maven-example ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ maven-example ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /home/karthik/Workspace/project-examples/artifactory-client-java-examples/maven-example/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.3:testCompile (default-testCompile) @ maven-example ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ maven-example ---
[INFO] No tests to run.
[INFO]
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ maven-example ---
[INFO] Building jar: /home/karthik/Workspace/project-examples/artifactory-client-java-examples/maven-example/target/maven-example-1.0-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.751 s
[INFO] Finished at: 2018-09-13T12:04:30+12:00
[INFO] Final Memory: 12M/135M
[INFO] ------------------------------------------------------------------------如果我尝试运行生成的jar文件。
java -jar target/maven-example-1.0-SNAPSHOT.jar
我得到以下错误。
no main manifest attribute, in target/maven-example-1.0-SNAPSHOT.jar
因为这是来自JFrog github repository的，所以我希望它能工作。我做错了什么？
将项目导入到IntelliJ集成开发环境中，构建并尝试运行会产生以下结果。构建看起来成功(jar file gets generated inside target folder)
但是，当我按run时，我会被定向到下面的页面。
回答 1
Stack Overflow用户
回答已采纳
发布于 2018-09-13 08:18:34
pom.xml不包含构建可运行jar文件的说明。(自述文件没有提到你可以这样运行它)
运行它的最简单方法是将项目导入到您的集成开发环境中(Eclipse、IntelliJ等)。它支持maven项目，并从那里运行主类。
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原文链接：
https://stackoverflow.com/questions/52304955
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