如何用Maven把依赖也打到可自动执行的jar里面？

最近笔者在用Maven打成一个可执行的jar包（包括main方法）的时候，遇到一个比较诡异的错误，Error: A JNI error has occurred, please check your installation and try again。下面是笔者的Manifest文件。那么如何解决呢？

Manifest-Version: 1.0
Built-By: HenryZhu
Build-Jdk: 1.7.0_55
Class-Path: lib/junit-4.12.jar lib/hamcrest-core-1.3.jar lib/selenium-
java-3.0.1.jar lib/selenium-chrome-driver-3.0.1.jar lib/selenium-remo
te-driver-3.0.1.jar lib/selenium-api-3.0.1.jar lib/cglib-nodep-3.2.4.
jar lib/commons-exec-1.3.jar lib/gson-2.3.1.jar lib/guava-19.0.jar li
b/jna-platform-4.1.0.jar lib/jna-4.1.0.jar lib/selenium-edge-driver-3
.0.1.jar lib/selenium-firefox-driver-3.0.1.jar lib/selenium-ie-driver
-3.0.1.jar lib/selenium-opera-driver-3.0.1.jar lib/selenium-safari-dr
iver-3.0.1.jar lib/netty-3.5.7.Final.jar lib/selenium-support-3.0.1.j
ar lib/htmlunit-2.23.jar lib/xalan-2.7.2.jar lib/serializer-2.7.2.jar
lib/commons-lang3-3.4.jar lib/httpclient-4.5.2.jar lib/httpcore-4.4.
4.jar lib/httpmime-4.5.2.jar lib/commons-codec-1.10.jar lib/htmlunit-
core-js-2.23.jar lib/neko-htmlunit-2.23.jar lib/xercesImpl-2.11.0.jar
lib/xml-apis-1.4.01.jar lib/cssparser-0.9.20.jar lib/sac-1.3.jar lib
/commons-io-2.5.jar lib/commons-logging-1.2.jar lib/phantomjsdriver-1
.3.0.jar lib/websocket-client-9.2.15.v20160210.jar lib/jetty-util-9.2
.15.v20160210.jar lib/jetty-io-9.2.15.v20160210.jar lib/websocket-com
mon-9.2.15.v20160210.jar lib/websocket-api-9.2.15.v20160210.jar lib/h
tmlparser-2.1.jar lib/htmllexer-2.1.jar lib/jgroups-3.0.11.Final.jar
Created-By: Apache Maven 3.3.9
Main-Class: com.winneryum.csdn.CSDNAutomationAccess
Archiver-Version: Plexus Archiver

下面是笔者的jar的代码结构，





Manifest文件都是对的。指向的路径也是对的。但是在jar运行的时候，就是找不到jar文件里面的lib目录下的依赖的jar文件。

下面这个是笔者自己的在pom.xml文件中用的Build部分的plugin

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>prepare-package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/classes/lib</outputDirectory>
<overWriteReleases>false</overWriteReleases>
<overWriteSnapshots>false</overWriteSnapshots>
<overWriteIfNewer>true</overWriteIfNewer>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>com.winneryum.csdn.CSDNAutomationAccess</mainClass>
<addClasspath>true</addClasspath>
<classpathPrefix>lib/</classpathPrefix>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>

当前解决的方式，是用不要把把依赖的jar和可执行的jar放在一起，而是直接把依赖的jar文件，解压缩成class文件，然后和我们自己生成的代码放在一起，正确的pom.xml文件中用的Build部分的plugin应该如下：

<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<id>unpack-dependencies</id>
<phase>prepare-package</phase>
<goals>
<goal>unpack-dependencies</goal>
</goals>
<configuration>
<includes>**/*.class</includes>
<excludes>**/*.properties</excludes>
<outputDirectory>${project.build.outputDirectory}</outputDirectory>

</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>com.winneryum.csdn.CSDNAutomationAccess</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>

上面只是笔者自己的一种解决方案，如果大家有其他的解决方案，希望能给我留言，我把其也添加到里面来。