m2e阴影食“项目主产物不存在". [英] m2e shade eclipse "project main artifact does not exist"

问题描述

我正在尝试制作一个部署软件包，该软件包将我的maven模块的所有依赖项捆绑到eclipse中的另一个maven项目中.

I'm trying to make a deployment package that bundles all the dependencies of my maven module that has dependencies to another maven project in eclipse.

我的pom.xml中有这个

I have this in my pom.xml

<modelVersion>4.0.0</modelVersion>
<groupId>com.my.proj</groupId>
<artifactId>AAA</artifactId>
<version>0.0.2-SNAPSHOT</version>
<name>btc</name>
<dependencies>
    <dependency>
        <groupId>com.another.proj</groupId>
        <artifactId>BBB</artifactId>
        <version>1.4-SNAPSHOT</version>
    </dependency>
</dependencies>

<build>
    <plugins>

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-shade-plugin</artifactId>
            <version>1.6</version>
            <executions>
                <execution>
                    <phase>package</phase>
                    <goals>
                        <goal>shade</goal>
                    </goals>
                    <configuration>
                        <transformers>
                            <transformer
                                implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                <mainClass>com.group.id.Launcher1</mainClass>
                            </transformer>
                        </transformers>
                    </configuration>
                </execution>
            </executions>
        </plugin>

    </plugins>
</build>

我在日食中使用了"m2 Maven Build"，目标是"org.apache.maven.plugins:maven-shade-plugin:shade"，并在"Resolve Workspace工件"上打了勾.

I use that "m2 Maven Build" in eclipse with the goal "org.apache.maven.plugins:maven-shade-plugin:shade" and the "Resolve Workspace artifacts" ticked.

失败了

--- maven-shade-plugin:1.6:shade (default-cli) @ AAA ---
[ERROR] The project main artifact does not exist. This could have the following
[ERROR] reasons:
[ERROR] - You have invoked the goal directly from the command line. This is not
[ERROR]   supported. Please add the goal to the default lifecycle via an
[ERROR]   <execution> element in your POM and use "mvn package" to have it run.
[ERROR] - You have bound the goal to a lifecycle phase before "package". Please
[ERROR]   remove this binding from your POM such that the goal will be run in
[ERROR]   the proper phase.

这时我没主意了.

推荐答案

[错误]项目主工件不存在.可能有以下内容

[ERROR] The project main artifact does not exist. This could have the following

我们最近遇到了这个问题.为我们解决的是不做mvn shade:shade，而是使用:

We were getting this problem recently. What resolved it for us was to not do mvn shade:shade but instead use:

mvn package

这会在运行shade插件之前 进行其他编译和打包，因此主类在类路径中可用.

This does additional compilation and package work before running the shade plugin and so the main class was available on the classpath.

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