java Maven 插件安装：安装文件错误
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maven plugin install:install-file error
提问by plucury
I use install:install-file to install jar to my local repository.My pom.xml is written as follow:
我使用 install:install-file 将 jar 安装到我的本地存储库。我的 pom.xml 编写如下：
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-install-plugin</artifactId>
<version>2.3.1</version>
<executions>
<execution>
<id>install-paho</id>
<phase>generate-resources</phase>
<goals>
<goal>install-file</goal>
</goals>
<configuration>
<file>${basedir}/lib/paho.jar</file>
<groupId>org.eclipse</groupId>
<artifactId>paho</artifactId>
<version>1.0.0</version>
<packaging>jar</packaging>
</configuration>
</execution>
</executions>
</plugin>
You can find that I binding it to phase 'generate-resources'.And then,I use order mvn eclipse:eclipse.It works very well and the jar was copied to my local repository.But when I use order mvn install:install-fileI got the error:
你会发现我将它绑定到阶段 'generate-resources'。然后，我使用 order 。mvn eclipse:eclipse它工作得很好，jar 被复制到我的本地存储库。但是当我使用 order 时，mvn install:install-file我得到了错误：
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-install-plugin:2.3.1:install-file (default-cli) on project xxx:
The parameters 'file' for goal org.apache.maven.plugins:maven-install-plugin:2.3.1:install-file are missing or invalid -> [Help 1]
The error messages when use mvn compile
使用时的错误信息 mvn compile
[ERROR] Failed to execute goal on project android-engine: Could not resolve dependencies for project com.youku.wireless:android-engine:jar:1.0-SNAPSHOT: Could not find artifact org.eclipse:paho:jar:1.0.0 in spring-milestone (http://maven.springframework.org/milestone) -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
回答by Raghuram
Since you have bound install:install-filegoal to the generate-sourcesphase, you should run mvn compileor mvn installor such to use the defined configurations.
由于您已将install:install-file目标绑定到generate-sources阶段，因此您应该运行mvn compile或mvn install使用定义的配置。
mvn eclipse:eclipseworks because maven runs the generate-sourcesphase prior to invoking eclipse:eclipse.
mvn eclipse:eclipse之所以有效，是因为 Mavengenerate-sources在调用eclipse:eclipse.
Edit:From the comments it looks like you want to use the locally available paho.jarin your project by first installing it to your local repo in the generate-sourcesphase and thereafter use it as a dependencyin your project.
编辑：从评论看来，您似乎希望paho.jar通过首先将其安装到generate-sources阶段中的本地存储库，然后将其用作dependency项目中的a来使用项目中本地可用的。
This is not going to work since maven checks for availability of dependenciesbefore it starts executing its life-cycle goals.
这是行不通的，因为 Mavendependencies在开始执行其生命周期目标之前会检查 的可用性。
You could manually install it one-time using mvn install:install-fileoutside the context of the pom. Better still you could deploy it to a repository managerand then access it like any other dependency.
您可以mvn install:install-file在 pom 的上下文之外手动安装它一次。更好的是，您可以将它部署到 arepository manager然后像任何其他依赖项一样访问它。
However, if you still want to go down this path, an alternate approach would be to specify the dependency with a systemscope providing the path of the jar. Refer to this.
但是，如果您仍然想沿着这条路径走下去，另一种方法是使用system提供 jar 路径的范围来指定依赖项。参考这个。
<project>
...
<dependencies>
<dependency>
<groupId>org.eclipse</groupId>
<artifactId>paho</artifactId>
<version>1.0.0/version>
<scope>system</scope>
<systemPath>${basedir}/lib/paho.jar</systemPath>
</dependency>
</dependencies>
...
</project>
