Java maven shade插件不包括org/apache/commons/vfs2/impl/StandardFileSystemManager
我有一个项目,其中包括org.apache.commons中的commons-vfs2库,我想使用maven shade插件对其进行“着色”,并将其最小化 问题是,在我对jar进行着色之后,我运行它,它告诉我它找不到org.apache.commons.vfs2.impl.StandardFileSystemManager类 事实上,创建的jar没有这个类。shade插件如何删除该类?我怎么能对插件说保留那个类呢 这是我的pomJava maven shade插件不包括org/apache/commons/vfs2/impl/StandardFileSystemManager,java,eclipse,apache,maven,Java,Eclipse,Apache,Maven,我有一个项目,其中包括org.apache.commons中的commons-vfs2库,我想使用maven shade插件对其进行“着色”,并将其最小化 问题是,在我对jar进行着色之后,我运行它,它告诉我它找不到org.apache.commons.vfs2.impl.StandardFileSystemManager类 事实上,创建的jar没有这个类。shade插件如何删除该类?我怎么能对插件说保留那个类呢 这是我的pom <?xml version="1.0" encoding="
<?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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>blah</groupId>
<artifactId>MyApp</artifactId>
<version>1.0-SNAPSHOT</version>
<build>
<plugins>
<!-- Maven Source Plugin -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.0.1</version>
<executions>
<execution>
<id>attach-sources</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- Maven JavaDoc Plugin -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.10.4</version>
<executions>
<execution>
<id>attach-javadocs</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- Maven Deploy Plugin -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
<!-- Maven Shade Plugin -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
<configuration>
<minimizeJar>true</minimizeJar>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>blah.MyMainFrame</mainClass>
</transformer>
</transformers>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<!-- Apache -->
<org.apache.commons.lang3.version>3.6</org.apache.commons.lang3.version>
<org.apache.commons.collections4.version>4.1</org.apache.commons.collections4.version>
<org.apache.commons.vfs2.version>2.1</org.apache.commons.vfs2.version>
<org.apache.commons.io.version>2.5</org.apache.commons.io.version>
<!-- Lombok -->
<org.projectlombok.version>1.16.18</org.projectlombok.version>
<!-- Jackson -->
<com.fasterxml.jackson.version>2.8.9</com.fasterxml.jackson.version>
<!-- Logging -->
<org.slf4j.version>1.7.25</org.slf4j.version>
<ch.qos.logback.version>1.2.3</ch.qos.logback.version>
<!-- JUnit -->
<junit.version>4.12</junit.version>
</properties>
<dependencies>
<!-- Apache -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${org.apache.commons.lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${org.apache.commons.collections4.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-vfs2</artifactId>
<version>${org.apache.commons.vfs2.version}</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${org.apache.commons.io.version}</version>
</dependency>
<!-- Lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${org.projectlombok.version}</version>
</dependency>
<!-- Jackson -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${com.fasterxml.jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${com.fasterxml.jackson.version}</version>
<exclusions>
<exclusion>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- Logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${ch.qos.logback.version}</version>
</dependency>
<!-- JUnit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
如您所见,没有(显式)引用StandardFileSystemManager
我希望插件能够处理应该从最终的uber jar中删除哪些类或方法
从VFS.class文件中,我可以看到我调用的方法VFS.getManager()是
public static synchronized FileSystemManager getManager() throws FileSystemException{
if(instance == null){
instance = createManager("org.apache.commons.vfs2.impl.StandardFileSystemManager");
}
return instance;
}
我想知道为什么插件不能感知StandardFileSystemManager类的使用
谢谢。您已选择启用
minimizeJar
选项:
<minimizeJar>true</minimizeJar>
true
这是什么意思
自动删除项目未使用的所有依赖项类,从而最大限度地减少产生的uber JAR
但它如何确定项目使用哪些类,取决于您的代码,因此我们无法复制
如果删除该行,您的uber jar将包含所有依赖项。然后,您可以使用排除来手动选择不需要的零件
或者,您可以保留它并手动选择已排除但您知道需要的零件
有关正确使用它的详细信息,请参阅。这正是您的问题,以及您的选择。所以这个问题实际上是我链接的问题的重复,我应该在评论中解释,而不是回答。我最终遵循了你给出的链接上的建议,我面临另一个问题,java.lang.ClassNotFoundException:org.apache.commons.vfs2.provider.local.DefaultLocalFileProvider,虽然在我看来这是正确的方法。我希望解决我所有的问题。非常感谢。
<minimizeJar>true</minimizeJar>