So I added the following to the module's pom.xml: You can do this: Create a jar assembly with the assembly plugin, have the dependencies unpacked, pack a new test jar and attach it to the reactor. Is it too late for me to get into competitive chess? The actual situation is that I need to pass the jar to Hadoop so that unit tests that can only run in Hadoop are run with hadoop jar myMainClass. Getting started with the Assembly Plugin is pretty simple. Fedora shows / mounted at the same location as home. However, I want to package the test jar so that all the dependencies are resolved. Additionally, it's possible to specify a mixture of descriptors and descriptorRefs within the same configuration. I had a similar problem with integration tests I need to run on Hadoop. Did the original Star Trek series ever tackle slavery as a theme in one of its episodes? This ensures the assembly archives are made available for installation and deployment, and that they are created during the release of your project. In order for this discussion to be useful, it's critical to cover two topics: configuration of the plugin - both inside the POM and, where possible, from the command line - and the different execution styles. To accommodate this, the Assembly Plugin supports configuration of an element which is handled by maven-archiver (see Resources). By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. I looked in the tar, and indeed it does not contain the class in question. Is whatever I see on the internet temporarily present in the RAM? The descriptor for the packaging could look like this. I have a project with src/main/java and src/test/java structure, and I managed to use maven-jar-plugin to build a jar of the test branch. Alternatively, we've created a custom assembly descriptor called src.xml in the src/assembly directory (see the Resources section for more information). 3 years ago, but may help others.At least, it helped me. The jar has about the same size as before, and I still can't execute its main class, with an exception NoClassDefFoundError. How to write an effective developer resume: Advice from a hiring manager, Podcast 290: This computer science degree is brought to you by Big Tech, “Question closed” notifications experiment results and graduation, MAINTENANCE WARNING: Possible downtime early morning Dec 2/4/9 UTC (8:30PM…, Could not resolve SpecInfo from Sputnik Runner, Including dependencies in a jar with Maven, Differences between dependencyManagement and dependencies in Maven. How to add local jar files to a Maven project? Why is it easier to carry a person while spinning than not spinning? Do you want to include all test dependencies with the test jar or do you want then to be correctly resolved as test deps? Once you've configured the various descriptors and descriptorRefs for the assemblies you want the project to produce, it's time to build them. In this quick article we'll focus on packaging a Maven project into an executable Jar file.Usually, when creating a jar file, we want to execute it easily, without using the IDE; to that end, we'll discuss the configuration and pros/cons of using each of these approaches for creating the executable. For the Fey Touched and Shadow Touched feats, what exactly does "spell slots [...] of the appropriate level" mean? IntelliJ inspection gives “Cannot resolve symbol” but still compiles code, Import Maven dependencies in IntelliJ IDEA. Making statements based on opinion; back them up with references or personal experience. to include a test-jar dependency in your assembly specify the include filter of the assembly debendencySet as bellow: Thanks for contributing an answer to Stack Overflow! Dealing with “Xerces hell” in Java/Maven? Note that jar-with-dependencies provides only basic support for uber-jars. To learn more, see our tips on writing great answers. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Our integration tests are located in the test folder of a separate integration test module, so what is required is a test-jar-with-dependencies to make our life easier. If we want to create an assembly binary that includes our project's dependencies, we can take advantage of one of the Assembly Plugin's prefabricated descriptors. For more control, use the Maven Shade Plugin. For more information, see the examples section or the plugin parameter documentation. Frank Thanks! Any idea? This is handled by the assembly:single goal. I use this to include the test jar.the important line is test-jar.I am not sure this is what you need. That didn't quite work. I want to add the dependencies to the test jar, so that I can call a class in the test jar, and not need any other jar on the classpath. Is there a way I can tell maven-jar-plugin to include the dependencies?? You configure it as follows in your project's pom.xml: Note that the Assembly Plugin allows you to specify multiple descriptorRefs at once, to produce multiple types of assemblies in a single invocation. Re-locating points randomly at certain distance in QGIS. your coworkers to find and share information. How can you trust that there is no backdoor in your hardware? How does Linux retain control of the CPU on a single-core machine? My assembly descriptor is located in src/main/assembly/test-jar-with-dependencies.xml and is a modification of the standard jar-with-dependencies descriptor that's part of the plugin: This assembly relies on the test-jar being created as part of the module build. Why were there only 531 electoral votes in the US Presidential Election 2016? This is the id of the assembly descriptor used to create this artifact. In a similar situation I ended up moving my test code to a separate jar and made it depend on the original one. Generic word for firearms with long barrels. How can I make the test jar include dependencies in Maven? I'm trying with the assembly-plugin, but it doesn't let me have 2 assemblies, one without the tests, and one with the tests. I'm using the assembly plugin as mentioned by Michael-O. Using this configuration, it's easy to configure the Main-Class attribute of the JAR manifest: If we add this configuration to the single goal example above and rebuild, we will see an entry like this in the META-INF/MANIFEST.MF file of the resulting JAR: For more information on advanced configuration for the Assembly Plugin, see the Resources section. To bind the single goal to a project's build lifecycle, you can add this configuration (assuming you're using the jar-with-dependencies prefabricated descriptor): Then, to create a project assembly, simple execute the normal package phase from the default lifecycle: When this build completes, you should see a file in the target directory with a name similar to the following: Notice the artifact classifier, between the end of the version and the beginning of the file extension, jar-with-dependencies. All rights reserved. Then the assembly plugin will build both. Do other planets and moons share Earth’s mineral diversity? I'm very new at Maven, and I find it very confusing. Note: Many other configuration options are available for the various goals in the Assembly Plugin. However, I want to package the test jar so that all the dependencies are resolved. Copyright ©2002–2020 Is there a way I can tell maven-jar-plugin to include the dependencies?? The Apache Software Foundation. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To handle filtering this version of Maven Assembly Plugin uses Maven Filtering 3.1.1. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. You can use an aggregator project to ensure that tests are run when you build the main jar. However, once you've created this self-contained JAR, you will probably want the ability to execute it using the -jar JVM switch. What is the maven-shade-plugin used for, and why would you want to relocate Java packages? This built-in descriptor produces an assembly with the classifier jar-with-dependencies using the JAR archive format. In most cases, the single goal should be bound to the package phase of the build. rev 2020.11.24.38066, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. For example, imagine that our project produces a JAR. For more information on writing your own assembly descriptor, read the. If you want to use one of the prefabricated assembly descriptors, you configure which descriptor to use with the / parameter. :-). When the assembly is created it will use the assemblyId as the artifact's classifier and will attach the created assembly to the project so that it will be uploaded into the repository in the install and deploy phase. I have to learn what are "packing" and "reactors". This should be the correct answer. Were any IBM mainframes ever run multiuser? If you want to use a custom assembly descriptor, you configure the path to your descriptor using the / parameter. I mistakenly revealed name of new company to HR of current company. You're done. Note that a single invocation of the Assembly Plugin can actually produce assemblies from multiple descriptors, allowing you maximum flexibility to customize the suite of binaries your project produces. This is the id of the assembly descriptor used to create this artifact. target/sample-1.0-SNAPSHOT-jar-with-dependencies.jar Notice the artifact classifier, between the end of the version and the beginning of the file extension, jar-with-dependencies . While it's possible to assign the single goal to any phase of the build lifecycle, you should be careful to make sure the resources included in your assembly exist before that assembly is created. In addition, you can use this to build a main jar assembly by adding the following below the tag: jar-with-dependencies. How can I perform discrete optimisation of a variable over a data set. The question is not about how to use a test jar, it's about how to create one. Below is the jar-with-dependencies descriptor format: configuration element. I started working Maven very, very recently :-) Thanks for your help. For the sake of clarity, we'll cover configuration before execution. To handle archiving this version of Maven Assembly Plugin uses Maven Archiver 3.5.0. However, if your assembly doesn't require binaries, or if you need to use one assembly as input for another, you may need to change this. What would result from not adding fat to pastry dough. This document is intended to provide instructions for using the maven-assembly-plugin. In most cases, you'll want to make sure your assemblies are created as part of your normal build process. We can tell the Assembly Plugin to use that instead: Again, note that we could specify multiple custom assembly descriptors here. I have a project with src/main/java and src/test/java structure, and I managed to use maven-jar-plugin to build a jar of the test branch. Asking for help, clarification, or responding to other answers.