如何使jar文件独立? [英] How to make jar file independent?
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问题描述
拜托,你能解释一下为什么我的jar文件没有在目标文件夹之外执行吗?我怎么能独立完成呢?将其复制/粘贴到另一个目录。
Please, could you explain me why my jar file doesn't execute outside the target folder? And how can I do it independent? To copy/paste it to another directory.
当我在目标文件夹外执行我的jar时,会产生NoClassDefFound错误。它无法从依赖项加载jar。
When I execute my jar outside target folder, NoClassDefFound error is produced. It can't load jars from dependencies.
这是我的pom.xml:
This is my pom.xml:
<properties>
<docx4j.version>3.3.0</docx4j.version>
</properties>
<build>
<plugins>
<plugin>
<!-- Build an executable JAR -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.6</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>lib/</classpathPrefix>
<mainClass>com.epam.executor.Main</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<!-- Build an executable JAR with runtime dependencies so that this program can be executed from command line using java -jar command -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/lib</outputDirectory>
<overWriteReleases>false</overWriteReleases>
<overWriteSnapshots>false</overWriteSnapshots>
<overWriteIfNewer>true</overWriteIfNewer>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.docx4j</groupId>
<artifactId>docx4j</artifactId>
<version>${docx4j.version}</version>
</dependency>
</dependencies>
我通过带有3个参数的命令执行我的jar:
I execute my jar via this command with 3 parameters:
java -jar DocumentTemplate-1.0.jar D:\Trash\xml1.xml D:\Trash\template.docx D:\Trash\results.docx
推荐答案
我认为你需要创建一个jar还包括其所有可执行的依赖项。我一直是你的一个插件插件。尝试下面的插件。
I think you need to create one jar which includes all its executable dependencies also. I have been you one-jar plugin for it. try below plugin .
<plugin>
<!-- Build an executable JAR -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.6</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>lib/</classpathPrefix>
<mainClass>com.kulhade.elasticsearch.Indexer</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.dstovall</groupId>
<artifactId>onejar-maven-plugin</artifactId>
<version>1.4.4</version>
<executions>
<execution>
<goals>
<goal>one-jar</goal>
</goals>
</execution>
</executions>
</plugin>
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