Maven can build a Fat JAR from your Java project. You can read more about Maven commands in my Maven Commands tutorial. Now when you run the maven build using simple command mvn clean install, it will generate the fat jar for your project consisting all compiled application code as well as all its dependencies – packaged inside one big jar file. Last update: 2019-09-01. FatJar 又称作 uber-Jar，是包含所有依赖的 Jar 包。Jar 包中嵌入了除 java 虚拟机以外的所有依赖。我们知道 Java 的依赖分为两种， 零散的 .class 文件和把多个 .class 文件以 zip 格式打包而成 jar 文件。FatJar 是一个 all-in-one Jar 包。FatJar 技术可以让那些用于最终发布的 Jar 便于部署和运行。 Example Create a simple project. <goal >single </goal > This makes execution much easier, because
toocarrie 2017-01-15 21:53:12 9567 收藏. Instead of having to add each JAR file your application depends on to the Docker container, you only have to add the Fat JAR of our application. You configure Maven to build a Fat JAR from your project by including the
You can use the onejar-maven-plugin for packaging. <fork >true </fork > My project structure looks (roughly) like this: . </goals > JavaCodeStuffs is one of the website for Java,Linux,Amazon Web Services, DevOps, and related technical articles. <phase >package </phase > <executions > <version >3.2.4 </version > you don't have to list all the JAR files your microservice depends on, on the classpath. Maven Assembly Plugin Documentation . Fat JARs are handy when you need to build an executable JAR file, e.g. For suppose, if a jar file contains 5 packages, but we are using only one package, then instead of excluding 9 packages, include 1 package. <plugin > * </exclude > package your microservice and all of its dependencies into a single JAR file. </executions > maven-assembly-plugin in your POM file's plugin section. <shadedPattern >org.shaded.sample.plexus.util </shadedPattern > Our tutorials are regularly updated, error-free, and complete. Maven refers to an output product that it builds
<goals > In the previous article, we introduced the fat jar / war package of spring boot. Clean-up 2) Remove the spring-boot-maven-plugin if you are using Spring Boot. There is no need to create a fat jar anymore. </execution > A Fat JAR is a single JAR file that contains all the compiled Java classes from your project, and all compiled Java classes from all JAR files your project depends on (see Maven Dependencies ). An alternative is to use the maven shade plugin to build an uber-jar. FatJar is a single JAR file that contains all the compiled Java classes from your project, and all compiled Java classes from all JAR files your project depends on. Today I needed to add some Java classes to the project but now my Maven build is failing. </executions > Instead of having to
</configuration > <exclude >org.sample.plexus.util.xml.pull. command to startup the microservice. That simplifies the
Maven plugin should be executed during. other build products (e.g. 分类专栏： java 文章标签： java maven assembly. </goals > <configuration > As in this example we are using to … Maven provides other plugins using which we can generate the jar with all its dependencies which is usually called Maven FatJar, which is used as an executable Jar file. <groupId >org.apache.maven.plugins </groupId > There are different way to generate the Fat JHar file using maven. In the relocation configuration, we can move the package to another package, by providing the shadedPattern. Luckily Maven provides a plugin named Apache Maven Shade Plugin for creating a distributable jar with all the dependencies. </configuration > <relocations > <descriptorRef >jar-with-dependencies </descriptorRef > A Fat JAR is a single
Maven one-jar plugin, add the dependency jar file directly into project jar, and loads it with custom class loader. Maven Shade Plugin works by modifying the maven package task. <pattern >org.sample.plexus.util </pattern > <execution > The value jar-with-dependencies tells Maven to build a JAR file with dependencies which
Let’s see what’s the difference between the two. In this article, we have seen How to Build a fat jar using Maven. You can
<artifactId >maven-shade-plugin </artifactId > The resultant jar is also called 'fat jar'. Create a project using maven-archetype-quickstart with following parameters. <groupId >org.apache.maven.plugins </groupId > dependencies (JAR files) your application uses. <!-- put your configurations here -- > All jar / war packages can be run using java jar command, and Maven also provides MVN spring boot: run command to run applications. Spring Boot Maven Plugin. <goals > <artifactId >maven-shade-plugin </artifactId > <configuration > FatJar is a single JAR file that contains all the compiled Java classes from your project, and all compiled Java classes from all JAR files your project depends on. <goal >one-jar </goal > Fat JARs are also handy if you need to package your application inside a Docker container. </plugin >, <plugin > <executions > <goals > </relocation > <manifest > </execution > JavaCodeStuffs was founded by Bala K to share his experience and learnings with the Java and related Technologies. </executions > maven fat-jar one-jar In diesem Lernprogramm zeigen wir Ihnen, wie Sie das One-JAR-Plugin mit dem Maven Build-Tool verwenden, um eine einzelne Jar zusammen mit ihren Abhängigkeits-Jars in einer einzigen ausführbaren Jar-Datei zu erstellen, der sogenannten Fat Jar. 在这篇博客里面我们将详细地讲解如何利用maven来创造一个fat jar。可能大家对于fat jar的概念还不是很熟悉，没关系，在开始进一步的讲解之前我会跟你说明fat jar是什么的。另外本文的环境是 123Maven 3.3.9JDK 1.8Joda-Time 2.5 大家根据相应的情况自己创建一个Maven项目。 project's POM file. compiled classes, generated JavaDocs etc.). <executions > </plugin >. <goals > <version > Your Version Here </version >