标签: maven-shade-plugin

什么是maven-shade-plugin,为什么要重新定位Java包?

我发现某人的pom.xml中使用了maven-shade-plugin.我之前从未使用过maven-shade-plugin(我是Maven n00b),所以我试着理解使用它的原因及其作用.

我查看了Maven文档,但是我无法理解这句话:

"这个插件提供了将工件打包在超级jar中的功能,包括它的依赖关系和阴影 - 即重命名 - 一些依赖项的包." 页面上的文档似乎不是新手友好的.

什么是"超级罐子?" 为什么有人想制作一个?重命名依赖项包的重点是什么?我试图通过maven-shade-plugin apache页面上的示例,例如"为Uber Jar选择内容",但我仍然无法理解"着色"所取得的成就.

任何指向说明性示例/用例的指针(解释为什么在这种情况下需要着色 - 解决了什么问题)将不胜感激.最后,我什么时候应该使用maven-shade-plugin?

java jar maven maven-shade-plugin

262
推荐指数
3
解决办法
8万
查看次数

64
推荐指数
3
解决办法
2万
查看次数

Maven shade插件将dependency-reduced-pom.xml添加到基目录

maven shade插件正在创建一个名为dependency-reduced-pom.xml的文件,还有artifactname-shaded.jar并将它们放在基本目录中.

这是一个错误吗?应该在目标目录中.任何解决方法?

java maven maven-shade-plugin

55
推荐指数
3
解决办法
2万
查看次数

由Maven shade插件构建的无效或损坏的JAR文件

将Maven jFree依赖项添加到现有应用程序后,我无法执行创建的jar.

我得到的唯一错误消息如下:

java -jar target/com.company.product-1.0.0-SNAPSHOT.jar 
Error: Invalid or corrupt jarfile target/com. company.product-1.0.0-SNAPSHOT.jar
Run Code Online (Sandbox Code Playgroud)

完整pom.xml看起来像这样:

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion
<groupId>com.mycompany</groupId>
<artifactId>com.mycompany.test</artifactId>
<name>${project.artifactId}</name>
<version>1.0.0-SNAPSHOT</version>

<properties>
    <java-version>1.7</java-version>
    <org.springframework-version>3.1.1.RELEASE</org.springframework-version>
    <org.springframework.data-version>1.0.3.RELEASE</org.springframework.data-version>
    <org.springframework.ws-version>2.0.4.RELEASE</org.springframework.ws-version>
    <org.springframework.ws.oxm-version>1.5.10</org.springframework.ws.oxm-version>
    <org.aspectj-version>1.6.12</org.aspectj-version>
    <org.slf4j-version>1.5.10</org.slf4j-version>
    <selenium-java-version>2.25.0</selenium-java-version>
    <browser-mob-version>2.0-beta-6</browser-mob-version>
</properties>

<dependencies>

    <!-- Hint A: If we delete this dependency it works -->
    <dependency>
        <groupId>org.jfree</groupId>
        <artifactId>jfreechart</artifactId>
        <version>1.0.14</version>
                    <exclusions>
            <exclusion>
                <artifactId>itext</artifactId>
                <groupId>com.lowagie</groupId>
            </exclusion>
        </exclusions>
    </dependency>

    <dependency>
        <groupId>com.itextpdf</groupId>
        <artifactId>itextpdf</artifactId>
        <version>5.3.2</version>
    </dependency>

    <dependency>
        <groupId>de.schlichtherle.io</groupId>
        <artifactId>truezip</artifactId>
        <version>6.6</version>
    </dependency>

    <dependency>
        <groupId>log4j</groupId>
        <artifactId>apache-log4j-extras</artifactId>
        <version>1.1</version>
    </dependency>

    <!-- Caching …
Run Code Online (Sandbox Code Playgroud)

java jfreechart maven maven-shade-plugin

34
推荐指数
2
解决办法
2万
查看次数

如何在maven-shade-plugin创建的Jar中包含测试类?

我正在尝试使用Maven将我的测试类打包到一个带有依赖项的可执行jar中,但我很难做到这一点.

到目前为止这是我的pom.xml:

<project>
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.c0deattack</groupId>
    <artifactId>executable-tests</artifactId>
    <version>1.0</version>
    <packaging>jar</packaging>

    <name>executable-tests</name>

    <dependencies>
        <dependency>
            <groupId>info.cukes</groupId>
            <artifactId>cucumber-java</artifactId>
            <version>1.0.0</version>
        </dependency>
        <dependency>
            <groupId>info.cukes</groupId>
            <artifactId>cucumber-junit</artifactId>
            <version>1.0.0</version>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-java</artifactId>
            <version>2.21.0</version>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.4</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>test-jar</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <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>
                            <finalName>cucumber-tests</finalName>
                            <transformers>
                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <mainClass>cucumber.cli.Main</mainClass>
                                </transformer>
                            </transformers>
                            <artifactSet>
                                <includes>
                                    <include>info.cukes:*</include>
                                </includes>
                            </artifactSet>
                        </configuration>
                    </execution>
                </executions>
                <dependencies>
                    <dependency>
                        <groupId>com.c0deattack</groupId>
                        <artifactId>executable-tests</artifactId>
                        <version>1.0</version>
                        <type>test-jar</type>
                    </dependency>
                </dependencies>
            </plugin> …
Run Code Online (Sandbox Code Playgroud)

java dependencies maven maven-jar-plugin maven-shade-plugin

30
推荐指数
2
解决办法
2万
查看次数

Maven build [警告]我们有一个重复的类

有谁知道我的maven构建发生了什么?我收到了很多重复的警告.

[WARNING] We have a duplicate org/apache/commons/logging/impl/LogFactoryImpl$1.class in /home/shengjie/.m2/repository/commons-logging/commons-logging-api/1.0.4/commons-logging-api-1.0.4.jar
[WARNING] We have a duplicate org/apache/commons/logging/impl/LogFactoryImpl.class in /home/shengjie/.m2/repository/commons-logging/commons-logging-api/1.0.4/commons-logging-api-1.0.4.jar
[WARNING] We have a duplicate org/apache/commons/logging/impl/NoOpLog.class in /home/shengjie/.m2/repository/commons-logging/commons-logging-api/1.0.4/commons-logging-api-1.0.4.jar
[WARNING] We have a duplicate org/apache/commons/logging/impl/SimpleLog$1.class in /home/shengjie/.m2/repository/commons-logging/commons-logging-api/1.0.4/commons-logging-api-1.0.4.jar
[WARNING] We have a duplicate org/apache/commons/logging/impl/SimpleLog.class in /home/shengjie/.m2/repository/commons-logging/commons-logging-api/1.0.4/commons-logging-api-1.0.4.jar
[WARNING] We have a duplicate org/apache/commons/logging/impl/Jdk14Logger.class in /home/shengjie/.m2/repository/commons-logging/commons-logging-api/1.0.4/commons-logging-api-1.0.4.jar
Run Code Online (Sandbox Code Playgroud)

我查看了我当地的m2 repo,我在commons-logging-api jar,LogFactoryImpl.class和LogFactoryImpl $ 1.class中有两个类.与警告中提到的所有类相同.

有一点需要提一下,我在我的pom.xml中使用了shade插件.

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-shade-plugin</artifactId>
            <version>1.4</version>
            <configuration>
                <createDependencyReducedPom>true</createDependencyReducedPom>
                <filters>
                    <filter>
                        <artifact>*:*</artifact>
                        <excludes>
                            <exclude>META-INF/*.SF</exclude>
                            <exclude>META-INF/*.DSA</exclude>
                            <exclude>META-INF/*.RSA</exclude>
                        </excludes>
                    </filter>
                </filters>
            </configuration>
            <executions>
                <execution>
                    <phase>package</phase>
                    <goals>
                        <goal>shade</goal>
                    </goals>
                    <configuration>
                        <transformers> …
Run Code Online (Sandbox Code Playgroud)

build maven maven-shade-plugin apache-commons-logging

28
推荐指数
3
解决办法
3万
查看次数

如何用maven创建基于spring的可执行jar?

我有一个基于Maven的Spring-WS客户端项目,我想打包成一个jar.在eclipse中,一切都运行正常.当我尝试将其打包为可执行jar时,我得到ClassNotFound异常,因为Spring jar没有包含在我的应用程序jar中.

所以我添加了maven-shade-plugin来包含我的应用程序jar中的所有依赖项.当我查看我的app jar时,我看到包含所有依赖项的所有类文件(所有库jar都被爆炸).

<build>
    <plugins>
        <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
                <source>1.6</source>
                <target>1.6</target>
            </configuration>
        </plugin>

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <version>2.4</version>
            <configuration>
                <archive>
                    <manifest>
                        <addClasspath>true</addClasspath>
                        <mainClass>com.cws.cs.Client</mainClass>
                    </manifest>
                </archive>
            </configuration>
        </plugin>

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-shade-plugin</artifactId>
            <version>1.7</version>
            <executions>
                <execution>
                    <phase>package</phase>
                    <goals>
                        <goal>shade</goal>
                    </goals>
                </execution>
            </executions>

        </plugin>
    </plugins>
</build>
Run Code Online (Sandbox Code Playgroud)

我的问题是在打包过程中,我的多个spring依赖项有不同的META-INF/spring.schemas文件相互覆盖.因此,我的最后一个jar有一个不完整的spring.schemas文件.

因此,当我尝试运行我的可执行jar时,我收到Spring错误消息,因为spring.schemas文件不完整(Spring-WS的jar覆盖了Spring-core的spring.schemas文件),因此无法找到文件.

我的可执行jar的META-INF/spring.schemas:

http\://www.springframework.org/schema/web-services/web-services-1.5.xsd=/org/springframework/ws/config/web-services-1.5.xsd
http\://www.springframework.org/schema/web-services/web-services-2.0.xsd=/org/springframework/ws/config/web-services-2.0.xsd
http\://www.springframework.org/schema/web-services/web-services.xsd=/org/springframework/ws/config/web-services-2.0.xsd
Run Code Online (Sandbox Code Playgroud)

而不是Spring-beans.jar META-INF/spring.schemas:

http\://www.springframework.org/schema/beans/spring-beans-2.0.xsd=org/springframework/beans/factory/xml/spring-beans-2.0.xsd
http\://www.springframework.org/schema/beans/spring-beans-2.5.xsd=org/springframework/beans/factory/xml/spring-beans-2.5.xsd
http\://www.springframework.org/schema/beans/spring-beans-3.0.xsd=org/springframework/beans/factory/xml/spring-beans-3.0.xsd
http\://www.springframework.org/schema/beans/spring-beans-3.1.xsd=org/springframework/beans/factory/xml/spring-beans-3.1.xsd
http\://www.springframework.org/schema/beans/spring-beans.xsd=org/springframework/beans/factory/xml/spring-beans-3.1.xsd
http\://www.springframework.org/schema/tool/spring-tool-2.0.xsd=org/springframework/beans/factory/xml/spring-tool-2.0.xsd
http\://www.springframework.org/schema/tool/spring-tool-2.5.xsd=org/springframework/beans/factory/xml/spring-tool-2.5.xsd
http\://www.springframework.org/schema/tool/spring-tool-3.0.xsd=org/springframework/beans/factory/xml/spring-tool-3.0.xsd
http\://www.springframework.org/schema/tool/spring-tool-3.1.xsd=org/springframework/beans/factory/xml/spring-tool-3.1.xsd
http\://www.springframework.org/schema/tool/spring-tool.xsd=org/springframework/beans/factory/xml/spring-tool-3.1.xsd
http\://www.springframework.org/schema/util/spring-util-2.0.xsd=org/springframework/beans/factory/xml/spring-util-2.0.xsd
http\://www.springframework.org/schema/util/spring-util-2.5.xsd=org/springframework/beans/factory/xml/spring-util-2.5.xsd
http\://www.springframework.org/schema/util/spring-util-3.0.xsd=org/springframework/beans/factory/xml/spring-util-3.0.xsd
http\://www.springframework.org/schema/util/spring-util-3.1.xsd=org/springframework/beans/factory/xml/spring-util-3.1.xsd
http\://www.springframework.org/schema/util/spring-util.xsd=org/springframework/beans/factory/xml/spring-util-3.1.xsd
Run Code Online (Sandbox Code Playgroud)

我很难过.我不确定是否/如何将所有内容打包为单个可执行jar.我不知道这是一个阴影插件配置问题,还是我试图做一些不可能的事情.我不得不手动创建自己的spring.schemas文件(其他的串联)似乎是不正确的.

我可能有点跳了一下枪.在挖掘插件的更多信息时,我注意到我之前错过的AppendingTransformer.但是,我关心的是如何知道哪些其他文件有同样的问题?我发现/抓住了这个特殊的Spring问题.我不知道任何其他可能正在做类似事情的库......

任何建议,将不胜感激.

java spring spring-ws maven maven-shade-plugin

28
推荐指数
3
解决办法
4万
查看次数

运行由shade插件构建的独立应用程序时找不到Log4j2配置

我有应用程序,当我从maven log4j2运行时它正在工作:

mvn exec:java -Dexec.args=...
Run Code Online (Sandbox Code Playgroud)

但是当我将jar作为独立应用程序运行时,它会显示错误:

java -jar
Run Code Online (Sandbox Code Playgroud)

日志:

ERROR StatusLogger Unrecognized format specifier [d]
ERROR StatusLogger Unrecognized conversion specifier [d] starting at position 16 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [thread]
ERROR StatusLogger Unrecognized conversion specifier [thread] starting at position 25 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [level]
ERROR StatusLogger Unrecognized conversion specifier [level] starting at position 35 in conversion pattern.
ERROR StatusLogger Unrecognized format specifier [logger]
ERROR StatusLogger Unrecognized conversion specifier [logger] starting at …
Run Code Online (Sandbox Code Playgroud)

java maven-shade-plugin log4j2

27
推荐指数
2
解决办法
2万
查看次数

Maven - 如何删除阴影 .jar 的 module-info.class 警告?

所以这是我的问题...

我正在使用 maven-shade 插件将 Spring Boot 应用程序打包到 uber jar 中。很简单吧?好吧,除了最近我在结尾处收到以下警告mvn clean package

[WARNING] Discovered module-info.class. Shading will break its strong encapsulation.

这实际上并没有破坏任何东西,但我是一个完美主义者,这让我发疯了吗?我该如何摆脱它?我尝试了很多东西,但没有成功。

请帮忙 :(

java uberjar maven maven-shade-plugin module-info

27
推荐指数
1
解决办法
9206
查看次数

Maven shade插件警告:我们有重复 - 如何解决?

这是我的项目POM(链接到粘贴,所以你可以右键单击>另存为pom.xml)

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.zybnet</groupId>
    <artifactId>excel-reporter</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>mvn1</name>
    <url>http://maven.apache.org</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>3.8</version>
        </dependency>
        <dependency>
            <groupId>net.sf.jasperreports</groupId>
            <artifactId>jasperreports</artifactId>
            <version>4.6.0</version>
        </dependency>
        <dependency>
            <groupId>org.codehaus.groovy</groupId>
            <artifactId>groovy-all</artifactId>
            <version>2.0.0</version>
        </dependency>
    </dependencies>

    <build>
        <resources>
            <resource>
                <directory>${project.build.sourceDirectory}</directory>
            </resource>
        </resources>
        <plugins>
            <plugin>
                <artifactId>maven-jar-plugin</artifactId>
                <configuration>
                    <finalName>${artifactId}-${version}-tmp</finalName>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>1.7.1</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <filters>
                                <filter>
                                    <artifact>*:*</artifact>
                                    <excludes>
                                        <exclude>META-INF/*.SF</exclude>
                                        <exclude>META-INF/*.DSA</exclude>
                                        <exclude>META-INF/*.RSA</exclude>
                                    </excludes>
                                </filter>
                            </filters>
                            <transformers> …
Run Code Online (Sandbox Code Playgroud)

maven maven-shade-plugin

23
推荐指数
1
解决办法
1万
查看次数