Two ways to run the jar package for Maven. 1, built-in dependency, 2, external dependence.

Maven hits two ways to run a jar package

Maven common packaging methods are divided into Pom,jar,war, as for these packaging types are not introduced.

If you do not make a special configuration, the packaged jar package is not operational. Can only be used as a normal dependency package.

Here are two ways maven can run a jar package:

Mode one: built-in packing method

<plugins><!--  Built-in packing method  --><plugin><groupid>org.apache.maven.plugins</groupid ><!--  Use this MAVEN package plugin  --><artifactid>maven-shade-plugin</artifactid><version >2.3</version><executions><execution><phase>package</phase><goals>< goal>shade</goal></goals><configuration><!--  The default value is true. Note This property, if you use this plugin to deploy, or publish to a central repository, this property will reduce your pom file, will take your reliance on <dependency> kill  --><createdependencyreducedpom>false</ Createdependencyreducedpom><transformers><transformerimplementation= " Org.apache.maven.plugins.shade.resource.AppendingTransformer "><resource>meta-inf/spring.handlers</ Resource></transformer><transformerimplementation= " Org.apache.maven.plugins.shade.resource.AppendingTransformer "><resource>meta-inf/spring.schemas</ Resource></transformer><transformerimplementation= "Org.apache.maven.plugins.shade.resoUrce. Manifestresourcetransformer "><!--  This is your program entry file  --><mainClass> Com.alibaba.dubbo.container.main</mainclass></transformer></transformers></configuration ></execution></executions></plugin><plugin><groupid>org.apache.maven.plugins </groupId><artifactId>maven-resources-plugin</artifactId><version>2.4</version> <configuration><!--  Set character encoding set  --><encoding>utf-8</encoding></configuration ></plugin></plugins>

You can get a bunch of files after using Maven install above.

/target/directory to find a, you can find a < your project name >.jar

This package is relatively large (your dependency package + entity class = total size) and can be run directly

Run Example: Java-jar file path/< your project name >.jar

Mode two: using external Dependency package method

<plugins><!--  Package jar file, configure the manifest file, add the Lib package jar dependencies  --><plugin><groupId> Org.apache.maven.plugins</groupid><artifactid>maven-jar-plugin</artifactid><configuration ><classesDirectory>target/classes/</classesDirectory><archive><manifest>< mainclass>com.alibaba.dubbo.container.main</mainclass><!--   manifest when packing. MF file does not record timestamp version  --><useuniqueversions>false</useuniqueversions><addclasspath>true</ Addclasspath><classpathprefix>lib/</classpathprefix></manifest><manifestentries> <class-path>.</class-path></manifestentries></archive></configuration></ Plugin><plugin><groupid>org.apache.maven.plugins</groupid><artifactid> maven-dependency-plugin</artifactid><executions><execution><id>copy-dependencies</ id><phase>package</phase><goals><goal>copy-dependencies</goal></goals><configuration><type>jar</type>< includetypes>jar</includetypes><useuniqueversions>false</useuniqueversions>< Outputdirectory>${project.build.directory}/lib</outputdirectory></configuration></execution ></executions></plugin></plugins>

You can get a bunch of files after using Maven install above.

/target/directory to find, and the above is not the same, you will find < your project name >.jar not so big.

and there will be a folder called Lib, and this Lib folder is full of your dependent jar package

Then in use,< your project name >.jar will load the external lib inside the jar package.

When deploying the project, you need to copy the Lib folder and < your project name >.jar together to use

Note: Two need to be in the same directory OH

Run Example: Java-jar file path/< your project name >.jar

This article is from the "Green Years" blog, be sure to keep this source http://alex233.blog.51cto.com/8904951/1885759

Two ways to run the jar package for Maven. 1, built-in dependency, 2, external dependence.