[英]Maven shade plugin failed to execute goal?
There error message in question is有问题的错误消息是
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:3.1.0:shade (default) on project myapp-core: Error creating shaded jar: null: IllegalArgumentException -> [Help 1]
from mvn package
in the myapp-core
folder.来自
myapp-core
文件夹中的mvn package
。 mvn clean
and mvn compile
work fine. mvn clean
和mvn compile
工作正常。 My project structure is我的项目结构是
myapp/
myapp-acceptance-tests/
myapp-core/
pom.xml
pom.xml
And myapp/pom.xml
is defined by而
myapp/pom.xml
由
<groupId>com.myself.myapp</groupId>
<artifactId>myapp</artifactId>
<packaging>pom</packaging>
<version>1.0-SNAPSHOT</version>
<modules>
<module>myapp-core</module>
<module>myapp-acceptance-tests</module>
</modules>
<properties>
<maven.compiler.source>10</maven.compiler.source>
<maven.compiler.target>10</maven.compiler.target>
</properties>
<dependencies>
...
</dependencies>
And myapp/myapp-core/pom.xml
is defined by而
myapp/myapp-core/pom.xml
由
<artifactId>myapp-core</artifactId>
<packaging>jar</packaging>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>myself.myapp.Main</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>10</source>
<target>10</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<server>mytomcat7</server>
<path>/</path>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.1.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<shadedArtifactAttached>true</shadedArtifactAttached>
<shadedClassifierName>shaded</shadedClassifierName>
<minimizeJar>true</minimizeJar>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<packaging>jar</packaging>
to no avail.<packaging>jar</packaging>
无济于事。 What does maven-shade-plugin need to successfully create the shaded jar? maven-shade-plugin 需要什么才能成功创建阴影 jar?
EDIT: setting minimizeJar to false solves my problem, but why?编辑:将minimizeJar 设置为false 可以解决我的问题,但为什么呢? Is there a better way, or a way to get the benefits of a minimised jar?
有没有更好的方法,或者一种方法来获得最小化 jar 的好处?
You can now use the latest release maven-shade-plugin:3.2.0
as of 13.09.2018 which shall solve the error while using minimizeJar
(with JDK8+) :现在,您可以使用最新版本
maven-shade-plugin:3.2.0
截至2018年9月13日,而使用它应解决错误minimizeJar
(与JDK8 +):
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.0</version>
</plugin>
正如编辑中所说,将minimizeJar 设置为false 解决了我的问题。
Please take a look at this tutorial from Maven: https://maven.apache.org/plugins/maven-shade-plugin/usage.html请看一下Maven的这个教程: https : //maven.apache.org/plugins/maven-shade-plugin/usage.html
The configuration of the plugin changed a bit over past and you don't need to specify the transformations.插件的配置在过去发生了一些变化,您不需要指定转换。
An example looks like this for 3.2.1: 3.2.1 的示例如下所示:
<project>
...
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.1</version>
<configuration>
<!-- put your configurations here -->
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
...
</project>
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