在之前,我认为Maven依赖的顺序并不重要,并把这视为其优点。以下是我的旧pom.xml
文件中的依赖项:
<dependencies>
<dependency>
<groupId>org.glassfish.jersey.containers</groupId>
<artifactId>jersey-container-servlet</artifactId>
<version>2.19</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.ext</groupId>
<artifactId>jersey-spring3</artifactId>
<version>2.19</version>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-moxy</artifactId>
<version>2.19</version>
</dependency>
</dependencies>
它的工作很好,今天我想把Spring依赖项移到底部,这样那些与Jersey相关的依赖项就可以在一起。但是,之后我无法让它继续工作,我的Jetty报错:
[ERROR] Failed to execute goal org.eclipse.jetty:jetty-maven-plugin:9.3.0.M1:run (default-cli) on project mtest: Execution default-cli of goal org.eclipse.jetty:jetty-maven-plugin:9.3.0.M1:run failed: A required class was missing while executing org.eclipse.jetty:jetty-maven-plugin:9.3.0.M1:run: org/apache/commons/logging/LogFactory
这真的很令人困惑,我需要关注依赖项的顺序吗?我怎么知道正确的顺序?