即使存在于我的远程存储库中,mvn包也会因必需的工件丢失而失败

Question

我正在尝试在我的Maven项目上运行mvn clean包,但它失败并显示以下消息:

工件net.ezswitch的"必需工件缺失":ResourcesComponent:jar:0.0.14

我已经将settings.xml配置为包含我的远程存储库,如果我在浏览器中导航,我实际上可以在我的存储库中找到这个Jar,但Maven不能以某种方式.

我已经检查过我正在运行的Maven版本是我编辑过的settings.xml文件生效的版本,因为如果我禁用我在那里配置的配置文件,Maven就会失败并显示不同的消息.

我在MAC OS X Lion上使用Maven 2.2.1.

这是我的settings.xml:

<localRepository>/Users/hordine/.m2/repository</localRepository>
<servers>
  <server>
      <id>LiquixRepository</id>
      <username>henrique</username>
      <password>xxxxx</password>
      <configuration>
          <httpConfiguration>
              <put>
                  <params>
                      <param>
                          <name>http.authentication.preemptive</name>
                          <value>%b,true</value>
                      </param>
                  </params>
              </put>
          </httpConfiguration>      
      </configuration>
  </server>

  <server>
      <id>dev.liquix.eu</id>
      <username>henrique</username>
      <password>xxxxx</password>
  </server>
  <server>
      <id>ezpay-dev.liquix.eu</id>
      <username>henrique</username>
      <password>xxxxx</password>
  </server>
</servers>
<profiles>
  <profile>
      <id>ezswitch</id>

      <properties>
          <tomcat.home>/System/Library/tomcat</tomcat.home>
          <subversion.user>henrique</subversion.user>
          <subversion.password>xxxxx</subversion.password>
      </properties>

      <activation>
          <jdk>1.6</jdk>
      </activation>

      <repositories>
          <repository>
              <id>central</id>
              <name>EzSwitch Cache</name>
              <layout>default</layout>
              <url>http://ezpay-dev.liquix.eu:9998/repository</url>
          </repository>
          <repository>
            <id>central_maven1</id>
            <name>EzSwitch Cache2</name>
            <layout>legacy</layout>
            <url>http://ezpay-dev.liquix.eu:9998/repository</url>
          </repository>
      </repositories>


      <pluginRepositories>
          <pluginRepository>
              <id>central</id>
              <name>EZswitch</name>
              <url>http://ezpay-dev.liquix.eu:9998/repository</url>
              <snapshots>
              </snapshots>
              <releases>
              </releases>
          </pluginRepository>
      </pluginRepositories>

  </profile>
</profiles>
<activeProfiles>
    <activeProfile>ezswitch</activeProfile>
</activeProfiles>

我得到的整个错误消息是:

[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Missing:
----------
1) net.ezswitch:ResourcesComponent:jar:0.0.14

  Try downloading the file manually from the project website.

  Then, install it using the command: 
      mvn install:install-file -DgroupId=net.ezswitch -DartifactId=ResourcesComponent -Dversion=0.0.14 -Dpackaging=jar -Dfile=/path/to/file

  Alternatively, if you host your own repository you can deploy the file there: 
      mvn deploy:deploy-file -DgroupId=net.ezswitch -DartifactId=ResourcesComponent -Dversion=0.0.14 -Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

  Path to dependency: 
    1) eu.liquix:RegistrationSolution:war:0.4.60-SNAPSHOT
    2) net.ezswitch:ResourcesComponent:jar:0.0.14

----------
1 required artifact is missing.

for artifact: 
  eu.liquix:RegistrationSolution:war:0.4.60-SNAPSHOT

from the specified remote repositories:
  central (http://ezpay-dev.liquix.eu:9998/repository),
  central_maven1 (http://ezpay-dev.liquix.eu:9998/repository)


    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:711)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
    at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
    at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
    at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
    at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
    at org.codehaus.classworlds.Launcher.main(Launcher.java:375)

但是,如果我通过浏览器导航到该位置,我可以在以下位置看到神器:

http://ezpay-dev.liquix.eu:9998/repository/net/ezswitch/ResourcesComponent/0.0.14/ResourcesComponent-0.0.14.jar

我会感激任何帮助.提前致谢.

Henrique Ordine

Answer 1

显然，错误消息“缺少所需的工件”隐藏了实际的根本原因，这在消息中不可见。在（-X 选项）上运行带有调试消息的 Maven 将打印出其他信息，这些信息可以更详细地了解问题所在。

为了以后参考，这次的错误是

[WARNING] Unable to get resource 'net.ezswitch:ResourcesComponent:pom:0.0.14' from repository central (ezpay-dev.liquix.eu:9998/repository):
Specified destination directory cannot be created: /Users/hordine/.m2/repository/net/ezswitch/ResourcesComponent/0.0.14

如果没有调试标志，这是不可见的。