Shadowjar output directory. println( "Installing new output into user directory.
Shadowjar output directory 2 Expected Behavior Gather all jars, including generated by shadowJar Actual Behavior Only normal jars are gathered Gradle Build Script(s) def copyJars = { -> Jun 6, 2014 · runShadow now utilizes the output of the shadowJar and executes using java -jar <shadow jar file> Start Scripts for shadow distribution now utilize java -jar to execute instead of placing all files on classpath and executing main class. MULTI_RELEASE attribute to the manifest of the shadow JAR if any dependencies contain the attribute. class changes to the classes directory and adds to foo. Actual Behavior a jar with the name server-<version>. jar" manifest { attributes 'Main-Class': mainClassName } } shadowJar { baseName = 'server' classifier = null version = null manifest { attributes 'Main-Class Nov 24, 2019 · Build Application with Gradle — Single Executable Jar with scripts In this tutorial, we will learn how to create executable fat Jar with startup scripts. g. Perfect for developers at all levels. txt files, hard to explain - basically I am copying resources to the compiled classes folder. Running . Goals Overview The Shade Plugin has a single goal: shade:shade is bound to the package phase and is used to create a shaded jar. jar all files within the classes directory (without creating a classes directory in the jar file), then changes back to the original directory before changing to the bin directory to add xyz. Explore techniques for changing file names, directories, and formats of build outputs. jar (TinyRemapper, intermediary -> named) happens before the first task can run Configures the ShadowJar task to include all sources from the project’s main sourceSet. file(java. Please add the console output of when you run Gradle to your question. -s dir Specify the directory where to place generated source files. rename - the packages of some of the dependencies. mycompany. I found a solution that may be useful to someone. I saw that "Automatically configure Shadow outpu Jan 20, 2022 · I'm trying to make an uber jar with multiple dependencies, One-Jar seems to be outdated, and I can't use either the default gradle uberJar builder or shadow jar. /gradlew core:shadowJar -Dplatform=macos macOS (Apple Silicon): . There is an option for java compiler which allows to customize output directory for generated java sources (documentation). mydir folder has sample. Sep 27, 2021 · Reason: Task ':distTar' uses this output of task ':shadowJar' without declaring an explicit or implicit dependency. 3 MB. The following types/formats are supported: Aug 7, 2025 · (The referenced path is a output-directory of a custom source set, its contents to not need to be extracted, but should be included) Oct 7, 2022 · I want to configure my build script written with Kotlin DSL. 2' } repositories { mavenCentral() } dependencies { compile 'org. gradle I have this shadowJar { mergeServiceFiles ('META-INF/spring. zip, then shadowJar skips these file while creating the FatJar. The destination is evaluated as per Project. The jar file’s classes are not being added to the build artifact jar file. Gradle puts its output in "build". Feb 2, 2021 · I want to automatically move the output jar to the specified directory in Gradle, there's example of what I want to achieve (this example is in maven): <plugins> <!--Tell Sep 13, 2021 · I'm trying to build a shadow jar for my library that depends on another library, I'd like to ship my jar with the dependency already included. Learn how to configure and customize the outputs of your Gradle builds, including APK files, JAR files, and other artifacts. , My problem is that I don't know how to turn the task reference into a zipTree of the actual output of that task. Configures the ShadowJar task to bundle all dependencies from the runtimeClasspath configuration. The directory must already exist; javac will not create it. , running the command gradlew shadowJar or gradlew clean shadowJar ) creates the JAR file in the build/libs folder. ") copy { from shadowJar. Depending on the Shadow Jar from Another Project In a multi-project build there may be one project that applies Shadow and another that requires the shadowed JAR as a dependency. artifact() method. The reason for this is that I need to keep some classes within a specific package within the finished jar as they are Adds the java. jar is output. getFiles()) but this still fails: > Cannot convert the provided notation to a File or URI: task 'shadowJar' output files. Solution: Override the build task to include `shadowJar` by using `build. 2. - GradleUp/shadow Sep 18, 2019 · Finally building a JAR package Navigate to the project root directly where gradlew is located. Jan 28, 2016 · I would like to override the behaviour of a copy task, and sign a jar while copying it. DSA" exclude " Platform-Specific Builds Relevant source files This document explains how LR2oraja Endless Dream produces platform-specific build artifacts through Gradle's shadowJar task and native library bundling. 0 Gradle Version: 5. Apr 15, 2014 · I want to switch from Maven (with the shade plugin) to Gradle and it was working with Maven before. Apr 16, 2022 · Shadow is a Gradle plugin for combining a project’s dependency classes and resources into a single output Jar. But when I build the shadow jar, it doesn't contain the classes from the NMS submodule. To shade a dependency is to rewrite its package name to not clash with the duplicate class files of another version of the same dependency. Learn how to extract a JAR file to a specific directory using Java with practical examples and best practices. util. Nov 5, 2015 · I am using shadowJar plugin to build/create my fatJar . /gradlew shadowjar in the project root directory, or launching the corresponding task from IntelliJ's Gradle view), which will put a file ending with -all. lang. tools. Reply prithvidiamond1 • Additional comment actions Aug 9, 2025 · ShadowJar recognized EXCLUDE as the default, but the other strategies didn't work properly. The dynamic loading during development (hot code reload) and production (code splitting) need this to correctly locate files. singleFile. 1. toml and how platform-specific builds are configured. This is already the case if we were to run the shadowJar task instead of the build task. Learn how to specify the output directory for packaging a jar in Maven. The ShadowJar task type extends from Gradle’s Jar type. Shaded jar (or shaded classes) - usually refers to a process of changing classes bytecode to change packages Feb 20, 2017 · Multi-project gradle examples with executable fat jars, shared dependencies and version conflict resolution. Something like: shadowJar { Jun 24, 2018 · I asked a Create multiple shadowJars for each flavor of application on SO but haven’t received any attention there. Some ResourceTransformer s (e. codehaus. Configuring Output Name Shadow configures the default ShadowJar task to set the output JAR’s archiveAppendix archiveBaseName archiveExtension archiveFile archiveFileName archiveVersion runShadow now utilizes the output of the shadowJar and executes using java -jar <shadow jar file> Start Scripts for shadow distribution now utilize java -jar to execute instead of placing all files on classpath and executing main class. in my simple gradle build I would like to use ShadowJar and ProGuard together. When doing so, ensure that the configurations property is specified to inform Shadow which dependencies to merge into the output. 4. Tutorial on customizing build outputs in Gradle. Mar 7, 2019 · Shadow Version 4. How can I make gradle put its output in "target" too? The output of the war plugin is "build A collection of all output directories (compiled classes, processed resources, etc. The output will be located in the build/libs directory. println( "Installing new output into user directory. Nov 17, 2019 · @cfrick resources like png, . I want to specify both jar name and version, so how can I achieve that? Mar 19, 2024 · The usage of John Engelman’s ShadowJar plugin becomes necessary only if there’s an actual need for shading our dependencies. Even though shadowJar related questions are not precisely a core gradle issue, but I suspect the issue is with the way I’m trying to use gradle rather than the shadowJar plugin. 2 /out directory duplicates files in /build directory addresses this issue for Gradle-based projects. /gradlew clean shadowJar --info yields the following information in the output: How to reference the output file of an other Gradle task as ziptree?I have a ShadowJar and a Proguard task Apache Maven Shade Plugin This plugin provides the capability to package the artifact in an uber-jar, including its dependencies and to shade - i. But it does not relocate the references inside the class files of the project it is defined in (as you named it "source of the project"). So now I need to understand how to relocate references in the source of the project. Sep 8, 2014 · The runShadow task is using the output of the shadowJar task as the argument to java -jar . johnrengelman. resources. Controlling JAR Content Merging Shadow allows for customizing the process by which the output JAR is generated through the ResourceTransformer interface. However, building our plugin without shadowJar would result in a jar that is simply broken and would throw a ClassNotFoundException at us at the moment we want to use classes from SADU. Nov 6, 2020 · What is shadow jar in Gradle? Shadow is a Gradle plugin for combining a project’s dependency classes and resources into a single output Jar. 4) For one of my projects, split into several submodules, I use the shadow plugin which works very well for my needs; it has a main, and as recommended by the plugin's READ Jun 4, 2020 · I’m new to gradle and I’m using Gradle 5. Is it possible to include the shadow JAR of the other module instead? Publishing Custom ShadowJar Task Outputs It is possible to publish a custom ShadowJar task’s output via the MavenPublication. If a class is part of a package, the compiler puts the source file in a subdirectory reflecting the package name, creating directories as needed Apr 5, 2013 · The following command, jar uf foo. gradle file: Build the Fat Jar Run the Gradle build command to generate the Fat Jar file. 6 Expected Behavior a jar with the name server. It allows you to output your javascript module to a particular subdirectory of your web server’s root. out. Conclusion In this tutorial, we presented a few different ways of creating fat jars in Gradle. jar only and its just ignoring the version. I’m experimenting with gradle and Jan 25, 2014 · Hi I am not sure how I would declare the shaded jar as my main output artifact so that other projects (using dependency compile project (":shaded")) use this jar rather than the normal jar. My goals are four: When I run gradle build, Gradle should produce shadowed jar as ‘main jar’(without -all postfix) in <root>/build/lib directory. An May 24, 2024 · System. Shadow configures the default shadowJar task to set the output JAR’s destinationDir, baseName, appendix, version, and extension to the same default values as Gradle does for all Jar tasks. md 48-66 core/build. e. What is the correct include format to specify Apr 13, 2022 · Shadow is a plugin that packages an application into an executable fat jar file if the current file is outdated. name, installJar) } System. For general Gradle build configuration and dependency management setup, see Gradle Configuration. Mar 18, 2019 · If you want that execution to be at a different place than the default location of the generated jar, you should either change the output of the shadow task itself, and only that output or make your execution task depend on a copy task that would move the shadow jar around. SF" exclude "META-INF/*. This can lead to incorrect results being produced, depending on what order the tasks are executed. Dec 21, 2018 · What I have in mind is to have a gradle plugin that add two separate tasks and which takes the same configurations supplied by user for shadowJar and overrides the configurations/sources used to create the shadowJar. 2 Gradle Version 5. apache. It shows calling jar task, and I'd like assemble to invoke shadowJar instead. … How do I use Kotlin plugins? In order to build a Kotlin project with Filtering Shadow Jar Contents The final contents of a shadow JAR can be filtered using the exclude and include methods inherited from Gradle’s Jar task type. Inside my build. e. github. singleFile ) } } The issue I’m now facing is that this simply isn’t Aug 17, 2025 · Circular shadowJar dependencies due to TARGET_JVM_VERSION_ATTRIBUTE #1665 Nov 18, 2015 · The terms are sometimes used interchangeably, but usually refers to: Fat jar (also named Uber jar) - used to describe a jar that has all classes from dependent jars zipped directly inside it in the correct directory structure, and not in other jars. kts 42-51 justfile 10-22 May 14, 2015 · In my case, i have a directory with multiple java files with main function, and would like to create multiple executable jars. println( "Completed install of: " + shadowJar. /gradlew core:shadowJar -Dplatform=linux macOS (Intel): . >> Click to read more << One may also ask, how do I create a fat jar in Gradle? To runShadow now utilizes the output of the shadowJar and executes using java -jar <shadow jar file> Start Scripts for shadow distribution now utilize java -jar to execute instead of placing all files on classpath and executing main class. Then ShadowJar still produces those resources into the root directory which I want to delete. Creating a Custom ShadowJar Task The built in ShadowJar task only provides an output for the main source set of the project. Oct 23, 2025 · The task shadowJar (e. This means that, the configuration is applied to the individual files from both the project source set or any of the Jan 11, 2019 · shadowJar task doesn't works when using dependencies with newer 'api' or 'implementation' or 'testImplementation' configurations instead of 'compile' or 'testCompile' configuration. Which approach is recommended? The answer is – it depends. This system uses the Gradle Shadow plugin to relocate packages and minimize the final artifact size. class) are copied to the main output directory. *') exclude "META-INF/*. Could you considering adding a task which applies the same configuration which would happen if i added shadowjar to a module with "application" plugin instead of requiring manual configuration each time? Mar 29, 2023 · The article offers an in-depth guide on the Maven Shade Plugin, focusing on dependency management and build automation for efficient software development. For this I’m using the ant. versions. Build Examples Windows: . Solution: Explicitly specify the output path and filename for your shadow jar to avoid confusion. Jul 14, 2015 · But its not happening, the output jar name is getting as abc. May 12, 2022 · I just had a build fail apparently in the process of cleaning the compiler output directory. My requirement is to add Core to App, but WITHOUT the dependencies. The build system creates self-contained JAR files with all dependencies and native libraries for Windows, Linux, macOS (Intel), and macOS (Apple Silicon). I came across this post searching how to add an extra directory for resources. , running the command gradlew shadowJar or gradlew clean shadowJar) creates a JAR file with the name in the format of {archiveBaseName}-{archiveVersion}. gradle file. /gradle :shadowJar or . Gradle version of Maven's Shade plugin. 0. Attributes. This resolves to a path in build/libs but that is not where the shadow configuration jars are copied to. Any way I can achieve this ? Thanks ! Mar 11, 2022 · For context, the NMS submodule is bundled into the plugin using Shadow and then loaded dynamically based on the server version, similar to how WorldEdit and other plugins do it. main. groovy:groovy-all:2. Jun 2, 2023 · The shadowJar task is used to create a fat jar that includes all of the dependencies, as well as the test classes. g: shadow 3. For example: shadowJar It may be desirable to relocate all packages in a Shadow JAR except for a select few. Mistake: Confusion between the standard jar and shadow jar outputs. Configure shadow task We can fix Apr 8, 2019 · the test mod depends on the shadowJar output of the main project now :remapping fabric-language-kotlin-1. jar file (264 bytes) when I run ~/TOOLS Thanks @Opal (+1) - how did you know to look in the build/distributions directory? That doesn't seem to be documented anywhere in the Shadow Jar plugin GitHub doc That is a project dependency will be merged into the ShadowJar output of the project that is applying the Shadow plugin. The combined Jar is often referred to a fat-jar or uber-jar. Since the reason of shadowing is ‘create AIO jar’, user of my project must use shadowed jar, not ‘main jar Aug 26, 2024 · The purpose of shadow is to copy everything marked as implementation to the output jar. kts the version catalog at gradle/libs. This allows a ResourceTransformer to determine Feb 9, 2018 · Building with Intellij 2017. A directory not empty exception was thrown. Zip64RequiredException: archive May 17, 2017 · Multi-Project Builds With Gradle and Fat JARs With Shadow With Gradle and the Shadow JAR plugin, devs can break their work into dependencies, then build a fat JAR to handle transitive dependencies. Gradle Configuration Relevant source files This page documents the Gradle build configuration for LR2oraja Endless Dream, including the structure of core/build. signjar task and need the paths of the source and destination. Mistake: Forgetting to call the `shadowJar` task during the build process. 4' } version = '0. jar is output Gradle Build Script (s) jar { archiveName = "server. 21+local. This output file name/location can be tweaked further using the properties destinationDir, archiveBaseName, archiveVersion in the build. Feb 8, 2021 · I want to shrink a fat jar which has been created using the Gradle shadow plugin. \gradlew. Apr 19, 2022 · What is shadowJar in Gradle? Shadow is a plugin that packages an application into an executable fat jar file if the current file is outdated. zip. Learn to configure ProGuard to shrink Gradle ShadowJar output for a minimized fat JAR in Java. I have had similar Nov 13, 2017 · the /home/thufir/NetBeansProjects/gradleHelloWorld/build/install/gradleHelloWorld-shadow directory at issue is removed by clean, establishing that gradle is building this directory. 19 How to only export shaded jar with Maven Discussion in ' Spigot Plugin Development ' started by VanilaCupcake, Jul 4, 2022. The issue is that my project is a modular project, there's the library itself that is the "main" module and then there's a preview of the library which is Nov 4, 2014 · FAILURE: Build failed with an exception. dependsOn (shadowJar)`. Object). For information about the overall Gradle Gradle plugin to create fat/uber JARs, apply file transforms, and relocate packages for applications and libraries. Mar 22, 2016 · If src. Now ShadowJar honors INCLUDE as the default, and aligns all the strategy behaviors with the Gradle side. But when using Gradle the shadow JAR of the Core module contains the correct relocated library but the other module does just include the original library without the relocation. The fat jar will be created in the build/libs directory. - GradleUp/shadow Jul 1, 2024 · Here, it includes all . Shadow utilizes JarInputStream and JarOutputStream to efficiently process dependent libraries into the output jar without incurring the I/O overhead of expanding the jars to disk. 1 Expected Behavior: Files should not be included in the shadow jar Actual Behavior: Files are included in the shadow jar Gradle Build Script (s): task fatJar (type: ShadowJar) { configurations = [ In this video, we’ll explore the powerful Gradle ShadowJar plugin and how to configure it to not only create a fat JAR file but also generate source and Javadoc artifacts for your project I have tried to add my local . gradle. This is a concept that has been carried over from the original Maven Shade implementation. After building the project you can then run the shadowJar gradle task (for me on Linux that's simply running . Aug 2, 2014 · Maven puts its output in "target". Here is my final configuration to get that: Jun 27, 2014 · Exactly, I was just writing my comment about this:) As I believe shadowJar relocates the references inside the dependencies jars. Provides output information of the source set. Don't mix it up with AbstractArchiveTask. Currently, Gradle produces JAR file in subdirectory of each subprojects. /gradlew core:shadowJar -Dplatform=macos -Darch=aarch64 All builds output to the dist/ directory at the repository root. Jan 30, 2017 · To put it simply, is there a way to get custom ‘shadowjar’ and ‘application’ plugin tasks to play nice with each other i. (this is using gradle 2. > org. class files from the test output directory. gradle file: plugins { id 'groovy' id 'com. It is possible to add arbitrary ShadowJar tasks to a project. There is a good explanation here. ServiceFileTransformer) do not work with EXCLUDE, as it will exclude duplicate resources to be merged. jar. By configuring this plugin, the build process ensures that the compiled test classes (including MainTest. For information about the actual dependencies used, see Dependencies & Libraries. So, if I do a gradle build on App (with the Core added as extraLibs), I should get 500 KB and not 35. getDestinationDirectory() which specifies the output directory for the archive. However, my project is Python and JavaScript with no Gradle in sight. /gradlew module :shadowJar if you want to build a specific module. An exclude filter can then be used to prevent relocation of specific packages. Tutorials → Working with JAR files → Fat JAR files. Usage General instructions on how to use the Shade Plugin can be Oct 23, 2023 · Gradle - PluginsSearch Gradle plugins Jul 30, 2019 · Shadow Version: 5. This can be accomplished by specifying a relocation with an empty string '' as the pattern to match on all packages. Nov 9, 2015 · Ah, it's similar to how one would configure a regular jar task's name, but we need to customize the shadowJar task specifically, like so: Jul 4, 2022 · 1. to make sure that installDist task copies the FAT jar to the lib directory instead of all the dependencies separately? Learn how to change the output directory for generated code in Gradle projects with this detailed guide. You may also try to run the task on its own instead of using the stage task. ) - notice that SourceSetOutput extends FileCollection. This means that all attributes and methods available on Jar are also available on ShadowJar. Execute . jar file dependency to my build. 1' shadowJar { mergeServiceFiles() manifest { attributes 'Main-Class': 'com. 6. We overrode the default jar task, created a separated task and used the shadow plugin. The task shadowJar (e. DS_Store file. for e. I guess the tasks are not running in the order you intended. 6. jar -C classes . bat core:shadowJar -Dplatform=windows Linux: . But the FileCopyDetails only give me relative names of the files. Sources: README. class to foo. As you have already known, Gradle is a … Jun 11, 2024 · I have a ktor application and i want to package a fatJar so i can run it easily but when using Ktors built in fatJar gradle task or the shadow plugins shadowJar task they arent including the resources directory. When using exclude / include with a ShadowJar task, the resulting copy specs are applied to the final JAR contents. The directory contains a . I am using the ShadowJar Gradle plugin to build a Jar containing all of the source files in the src/main/java directory and other Jar files in a lib directory and it is working fine. Enhance your build process effectively. jar in build/libs/ (the build folder is generated in your project root directory Creates and configures a child CopySpec with a destination directory *inside* the archive for the files. Excluding/Including dependencies no longer includes transitive dependencies. Name. A ResourceTransformer is invoked for each entry in the JAR before being written to the final output JAR. One workaround would be to generate jar out Sep 14, 2016 · As the gradle outputs info while building, it doesn't indicate invocation of the shadowJar task. Trying java plugin, for example runs into the same problem. outputs. singleFile into destinationPath rename (shadowJar. My attempts lead me to from zipTree(shadowJar. * What went wrong: Execution failed for task ':xxxxx:shadowJar'. 3. But I’m not finding any clear documentation on how to have it include a local jar file as shadowjar dependency. I have found examples where the output of the shadowJar task is the input of the proguard one, which works fine, howev Aug 16, 2019 · 5. I found the destinationDir (I’m guessing from the Copy task), but I can’t find any way to get the source directory. shadow' version '1. jar and puts it in the build/libs folder. Embedded Libraries & Shadow JAR Relevant source files This page documents the embedded library system and Shadow JAR configuration used to bundle third-party dependencies directly into the mod JAR. Jan 31, 2016 · Using this build. … Shadow utilizes JarInputStream and JarOutputStream to efficiently process dependent libraries into the output jar without incurring the I/O overhead of expanding the jars to disk. I added a new api jar to the existing project, which was rather simple, and the project builds successfully. Introduction Shadow is a Gradle plugin for combining a project’s dependency classes and resources into a single output Jar. If you do a gradle build on App, you will get a 300 KB Jar. For platform-specific build processes and . EncodeFile' } } I get an essentially empty . files. Configure the ShadowJar task to include the additional jars: Modify the shadowJar task to also include the generated sources and Javadoc jars in the final output: shadowJar { from sourcesJar from javadocJar } Jan 24, 2024 · id 'java' } Once we apply the Shadow plugin, the shadowJar task will be ready to use. - grossws/gradle-shadow Sep 16, 2016 · If you do a gradle shadowJar on Core, you will get a 35 MB Jar. -C bin xyz. Gradle plugin to create fat/uber JARs, apply file transforms, and relocate packages for applications and libraries. lgrdjomeqjbhcdhwgiiktpcikhfuoimcuzvycuucpspxoyadfalfzusmvlhsvldffuzbfi