不知道为什么在您的情况下没有下载。我删除了本地缓存并运行以下命令
mvn clean package | grep cors
Downloading: https://repo.maven.apache.org/maven2/ring-cors/ring-cors/0.1.5/ring-cors-0.1.5.pom
Downloading: https://clojars.org/repo/ring-cors/ring-cors/0.1.5/ring-cors-0.1.5.pom
Downloaded: https://clojars.org/repo/ring-cors/ring-cors/0.1.5/ring-cors-0.1.5.pom (4 KB at 5.0 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/ring-cors/ring-cors/0.1.5/ring-cors-0.1.5.jar
Downloading: https://clojars.org/repo/ring-cors/ring-cors/0.1.5/ring-cors-0.1.5.jar
Downloaded: https://clojars.org/repo/ring-cors/ring-cors/0.1.5/ring-cors-0.1.5.jar (6 KB at 24.4 KB/sec)
如您所见,它是从 clojars.org 下载的
这个依赖继承自storm-core
mvn dependency:tree | grep -C 20 cors
[INFO] com.digitalpebble.crawl:selenium-tutorial:jar:1.0-SNAPSHOT
[INFO] +- org.apache.storm:storm-core:jar:1.1.0:provided
[INFO] | +- com.esotericsoftware:kryo:jar:3.0.3:provided
[INFO] | | +- com.esotericsoftware:reflectasm:jar:1.10.1:provided
[INFO] | | | \- org.ow2.asm:asm:jar:5.0.3:provided
[INFO] | | +- com.esotericsoftware:minlog:jar:1.3.0:provided
[INFO] | | \- org.objenesis:objenesis:jar:2.1:provided
[INFO] | +- org.clojure:clojure:jar:1.7.0:provided
[INFO] | +- ring-cors:ring-cors:jar:0.1.5:provided
如果您查看storm pom,您可以看到clojar repo 已定义。作为一种解决方法,您可以将存储库部分复制到项目的 pom 中。希望该 jar 将被下载。
<repositories>
<repository>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
<id>clojars</id>
<url>https://clojars.org/repo/</url>
</repository>
</repositories>