Java 从POM文件获取artifactId出错
为了获取项目中的artifactId,我使用以下代码Java 从POM文件获取artifactId出错,java,maven,spring-boot,pom.xml,Java,Maven,Spring Boot,Pom.xml,为了获取项目中的artifactId,我使用以下代码 public static void main(String[] args) { Properties prop = new Properties(); InputStream in = null; try { String fileName = "application.properties"; in = ConfigServiceApplication.class.getClas
public static void main(String[] args) {
Properties prop = new Properties();
InputStream in = null;
try {
String fileName = "application.properties";
in = ConfigServiceApplication.class.getClassLoader().getResourceAsStream(fileName);
prop.load(in);
SpringApplication.run(ConfigServiceApplication.class, args);
System.out.println(prop.getProperty("prop.name");
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
My application.properties包含以下内容:
prop.name=${project.artifactId}
如果一切正常运行,预期输出为:
config-service //this is my artifactId
但是当我运行上面的代码时得到的输出是
${project.artifactId}
我引用了这些链接来获取信息:,
有人能更正我的代码以正确获取artifactId吗
编辑:
Pom文件:
<project>
...
<artifactId>config-service</artifactId>
...
<properties>
<name>${project.artifactId}</name>
</properties>
...
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
</build>
...
</project>
...
配置服务
...
${project.artifactId}
...
src/main/resources
真的
...
我认为目录结构或运行代码的方式存在问题,因为配置看起来正常
见下面的小例子
# assumed structure
pom.xml
src/main/java/sub/optimal/mvnproperties/Main.java
src/main/resources/application.properties
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>sub.optimal</groupId>
<artifactId>config-service</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
</build>
</project>
src/main/resources/application.properties
prop.name=${project.artifactId}
application.name=${pom.name}
现在编译并执行它
mvn clean compile
mvn exec:java -Dexec.mainClass=sub.optimal.mvnproperties.Main
或
在这两种情况下,属性的输出都是相同的
prop.name:config-service
application.name:config-service
您能否在配置资源的地方共享部分pom?你在应用maven过滤吗?@A.DiMatteo我已经更新了主帖子中的POM文件。你是如何运行主类的?maven生成是否将属性文件中的令牌替换为target/classes文件夹的一部分?@a.DiMatteo我以错误的方式运行。我遵循了下面的回答。问题是我跑步的方式。我按照你说的去做,而且执行正确。非常感谢。
mvn clean package
java -cp target/config-service-1.0-SNAPSHOT.jar sub.optimal.mvnproperties.Main
prop.name:config-service
application.name:config-service